Basic Understanding of Educational Attainment:

Education has long been recognized as one of the most powerful drivers of individual development and societal progress. Among the many ways scholars and policymakers assess the role of education in shaping human potential, educational attainment is one of the most widely used indicators. Educational attainment generally refers to the highest level of education an individual has successfully completed, such as primary school, secondary school, or tertiary degrees like a bachelor’s or master’s degree (U.S. Census Bureau, 2023). Because it captures completed educational milestones rather than temporary enrollment or participation, educational attainment provides a clear and measurable way to understand how education systems translate opportunities into tangible outcomes for individuals. In both academic research and public policy, educational attainment functions as a key indicator of social and economic development. Individuals with higher levels of education tend to experience better employment prospects, higher earnings, improved health outcomes, and greater civic participation compared with those who have lower levels of education (OECD, 2023). From a societal perspective, countries with higher average educational attainment often demonstrate stronger economic growth, greater innovation capacity, and more stable democratic institutions (Barro & Lee, 2013). These connections have made educational attainment a central variable in disciplines such as sociology, economics, public policy, and education studies. In the rest of this article, we will explore the basic understanding of educational attainment.

1. Defining Educational Attainment:

Educational attainment is a foundational concept in education research, social science, and public policy, yet its meaning and measurement warrant careful explanation. At its core, educational attainment refers to the highest level of formal education that an individual has successfully completed and for which they have received certification or qualification (UNESCO Institute for Statistics [UIS], 2024; U.S. Census Bureau, 2023). This definition distinguishes attainment from other educational concepts such as enrollment, which captures current school attendance, and achievement, which refers to the performance or grades attained in particular subjects (UIS, 2024; Census.gov, 2023).

Internationally, major statistical agencies and education researchers adopt a standardized view of educational attainment to facilitate comparison across countries and populations. The International Standard Classification of Education (ISCED), developed by UNESCO, establishes a hierarchical scheme of objective education levels—from primary schooling to doctoral degrees—that serves as the reference framework for reporting educational attainment worldwide (UNESCO Institute for Statistics, 2024; Eurostat, 2026). By defining attainment in terms of completed education programmes rather than simply years of schooling, the ISCED framework allows data from diverse education systems to be compared and analysed meaningfully (Eurostat, 2026).

In demographic and sociological research, educational attainment is often operationalized as the highest degree or certificate an individual has earned (U.S. Census Bureau, 2023; UNESCO Institute for Statistics, 2024). For example, surveys typically ask respondents to report the highest educational qualification they have completed, such as high school diploma, bachelor’s degree, or postgraduate degree (Census.gov, 2023). This approach emphasizes the completion of formal credentials that are socially and economically recognised rather than merely the number of years spent in school.

While some measures use years of schooling completed as a proxy for educational attainment, this approach is less precise for international comparison because of variation in education systems and curriculum lengths across countries (iResearchNet, 2025). For instance, the number of years required to complete a secondary education programme may differ from one country to another, making direct comparison based on years attended potentially misleading (iResearchNet, 2025). Researchers therefore prefer attainment as a categorical indicator (e.g., primary, secondary, tertiary) using standardized classification schemes like ISCED, which align educational qualifications with internationally comparable categories (UNESCO Institute for Statistics, 2024; Eurostat, 2026).

Educational attainment can also be understood as a measure of the educational stock in a population that is the distribution of educational qualifications among adults. This population-level perspective is especially important in studies of human capital, labour force quality, and socioeconomic development, where researchers examine how attainment levels influence economic productivity, employment outcomes, and social mobility (iResearchNet, 2025). For example, the proportion of adults with tertiary education in a country is often used as a key indicator of its capacity for innovation and competitiveness in the global economy.

Clarifying this distinction is essential: educational attainment differs from academic achievement, which relates to the performance or mastery of subject matter often measured through tests or grades (Cambridge Dictionary, 2025). Attainment simply refers to the completion milestone, not the depth of learning or proficiency gained. This difference has important implications for policy, as high attainment rates may not necessarily reflect high levels of learning if the quality of education is weak (UIS, 2024).

In short, we can say that educational attainment is a robust and widely accepted construct that captures the highest completed level of formal education for individuals and populations. It provides a measurable, comparable way to assess education system outcomes across societies and over time, and serves as a key indicator for research into social inequality, economic opportunity, and human development.

2. Historical and Policy Context:

Understanding educational attainment requires situating it within both historical developments in schooling and the evolution of education policy. Historically, patterns of educational expansion have not been uniform; rather, the global trajectory of schooling and credential achievement reflects deep social, economic, and political transformations over time.

Historical Expansion of Schooling and Attainment: The modern system of mass schooling began to emerge in the nineteenth century alongside industrialization, nation-state formation, and social reform movements. Historians and economists trace the international expansion of formal education from early systems of elite access toward broader inclusion of primary and secondary schooling for larger population segments (Barro & Lee, 2015). Research reconstructing schooling trends from 1820 to 2010 shows that school enrollment and attainment levels expanded dramatically over time, first in Western Europe and North America and later across many parts of Asia and Africa (Barro & Lee, 2015).

In the United States, for example, the high school movement (circa 1910–1940) dramatically reshaped educational attainment by fostering the growth of secondary schools and increasing attendance rates across the country. In 1910, only about 9% of American 18-year-olds graduated from high school; by 1940, approximately 73% of youths were enrolled in secondary school and the median youth had obtained a high school diploma (Goldin & Katz, as cited in High school movement, 2026).

Such historical shifts were often enabled by policy reforms. In the U.S., legislation requiring compulsory schooling, first enacted across all states by 1918, laid the legal groundwork for universal education. Although enforcement lagged until the decades that followed, compulsory schooling laws nevertheless marked a turning point in broadening access to basic education (Mare Model of educational attainment, 2026).

Globally, the twentieth century saw unprecedented expansion in primary, secondary, and tertiary education systems. As nations industrialized and global communication increased, governments invested in formal schooling not only to promote literacy and civic cohesion but also to prepare labour forces for increasingly complex economies. These trends created a cumulative effect: educational attainment rose as more children completed schooling, resulting in broader social expectations around educational success.

However, the pace and scale of attainment gains varied significantly across regions and eras. As documented by historical education scholars, there has often been a long delay between schooling opportunities in wealthier regions and those in lower-income nations, creating what some researchers describe as a 100-year gap in formal education access and achievement (Why wait 100 years?, 2013).

International Policy Frameworks and Goals: From the mid-twentieth century onward, educational attainment also became an explicit focus of national and international policy frameworks. In the post-World War II era, global organizations such as UNESCO began promoting universal education as a developmental priority. In the early 2000s, international goals like the Education for All initiative and later the United Nations Sustainable Development Goal 4 (SDG 4) put educational attainment at the centre of global policy agendas. SDG 4 aims to “ensure inclusive and equitable quality education and promote lifelong learning opportunities for all,” with specific targets corresponding to expanding completion rates across educational levels (UNESCO Institute for Statistics, 2024).

A notable example of international advocacy for educational expansion was the International Commission on Financing Global Education Opportunity, established in 2015. This commission called for what it described as “the largest expansion of educational opportunity in history,” emphasizing the need for significant investment in education systems, especially in low- and middle-income countries (International Commission on Financing Global Education Opportunity, 2025).

National policies have similarly shaped patterns of attainment. In many countries, compulsory schooling laws, curriculum reforms, and public investment in education infrastructure have gradually raised completion rates and credential achievement. In India, for instance, the National Education Policy of 1986 articulated a vision for education as a critical developmental investment, placing emphasis on expanding access across all levels of schooling and diversifying educational opportunities for different population groups (National Education Policy, 1986 overview, 2025).

Attainment, Policy, and Socioeconomic Development: Historical evidence suggests that rising levels of educational attainment correlate with broader socioeconomic changes, including economic growth and demographic transitions. Long-term research shows that increases in educational attainment (particularly female education) have had measurable effects on economic growth, fertility decline, and democratic development in countries undergoing modernization since the late nineteenth century (Barro & Lee, 2015).

Recent quantitative analyses reinforce the policy significance of educational attainment for economic inclusion. For example, research using global survey data from 150 countries highlights that improvements in educational attainment have been a major driver of income growth and poverty reduction over the last four decades, accounting for as much as 60–70% of income gains among the poorest groups (Gethin, 2025).

The historical and policy context of educational attainment reveals how formal schooling evolved from limited elite access to widely promoted mass education systems over the past two centuries. Policies (from compulsory schooling laws to global development goals like SDG 4) have played a central role in shaping how societies value and expand attainment. Understanding this historical trajectory highlights not only the progress made but also the persistent inequalities that continue to challenge equitable attainment worldwide.

3. How Educational Attainment Is Measured:

Measuring educational attainment is essential for research, policymaking, and international comparisons. Because educational systems vary widely worldwide, standardized indicators are used to ensure data are meaningful and comparable across regions and time. In essence, educational attainment is typically measured by identifying the highest level of formal education successfully completed by an individual and expressing this as a categorical or continuous indicator for populations or subgroups (OECD, 2025; UIS, 2024).

3.1 Core Approach: Highest Level Completed: The most fundamental measure of educational attainment is the highest level of education an individual has completed, which is often determined through surveys or census data. This level is expressed in terms of formal program completion leading to a qualification or certification recognized by the education system of the country where the education was received (UIS, 2024; UNSD, n.d.).

For this reason, many education statistics agencies collect data by asking individuals to report their highest completed educational programme. These responses are then classified according to international frameworks for comparability.

3.2 Standardised Classification (ISCED): To enable consistent international measurement, educational attainment is classified using the International Standard Classification of Education (ISCED), a globally agreed framework developed and maintained by the UNESCO Institute for Statistics (UIS). ISCED defines discrete education levels (from early childhood education up to advanced research degrees) so that different countries’ qualifications can be categorised coherently (UIS, 2024; UNESCO, 2026).

Under ISCED:

  • Level 0 = pre-primary (early childhood)
  • Level 1 = primary education
  • Level 2 = lower secondary
  • Level 3 = upper secondary
  • Levels 5-8 = tertiary education (including bachelor’s, master’s, and doctoral degrees)

Using this classification, researchers can measure the proportion of a population that has attained each educational level, allowing for comparisons between age groups, genders, and geographic regions.

3.3 Population Attainment Rates: One of the most widely used measures in demographic and labour market analysis is the educational attainment rate, typically reported as the percentage of adults who have completed a given level of education. For example, international reports often show the share of adults aged 25–64 who have at least upper secondary attainment or who have obtained tertiary credentials (OECD, 2025).

Calculating these rates typically involves:

  • Identifying the number of individuals in a population group (e.g., adults aged 25+).
  • Determining how many in that group have completed each level of education as defined by ISCED.
  • Expressing that number as a percentage of the total population in the same group.

This method provides a snapshot of the educational composition of a population and is a key indicator for monitoring educational progress and equity.

3.4 Mean Years of Schooling: In addition to categorical attainment levels, many international reports include mean years of schooling as a complementary indicator. This measure reflects the average number of completed years of education among a country’s adult population (usually those aged 25 and above). Data on mean years of schooling require information on the highest level of education attained, from which total years of formal education can be derived.

For example, mean years of schooling is one of the two education components of the United Nations Human Development Index (HDI), along with expected years of schooling for children entering the education system. While mean years of schooling provides a useful summary of a population’s educational attainment, it has limitations; it does not necessarily reflect quality or proficiency and can mask inequalities within educational levels.

3.5 Age Thresholds and Population Groups: Educational attainment is usually measured for adults aged 25 years and above, because most individuals have completed their formal education by this age. In some cases, however, younger age groups (such as 15–24) may also be used for analysis, especially when monitoring youth attainment levels. Data sources for these indicators include national censuses, labour force surveys, and household surveys, all of which collect self-reported information on educational levels completed by respondents.

This age stratification is important because educational attainment trends can vary widely across cohorts; younger groups may have higher proportions of tertiary education completion compared with older cohorts due to education expansion over time.

3.6 Using Attainment Data: Once attained levels are coded and reported, educational attainment data can be used to:

  • Compare educational outcomes across countries or regions.
  • Track changes in attainment over time.
  • Analyse links between education and socio-economic outcomes such as employment, income, and health.
  • Identify inequalities in education related to gender, income, and geography.

For example, OECD reports frequently use attainment statistics as proxies for human capital and to inform economic and labour market policies.

3.7 Limitations and Considerations: Despite their widespread use, attainment measures have limitations. First, attainment levels do not directly measure learning outcomes or skills proficiency that is they indicate completion but not necessarily the quality of education (UIS, 2024). Second, classification challenges or differences in education systems may affect cross-country comparisons, because similar qualifications might map to different ISCED categories if nations’ educational structures differ.

Because of these limitations, researchers sometimes combine attainment rates with additional indicators of learning and labour market returns to provide a fuller picture of educational performance and impact.

Consequently, educational attainment is measured through structured and standardized approaches that categorize individuals by the highest level of formal education completed, typically using frameworks like ISCED. Measures such as attainment rates and mean years of schooling are widely used in research, policy, and international monitoring. However, careful interpretation is necessary, as these indicators reflect completion and participation without directly capturing the depth or quality of learning.

4. Determinants of Educational Attainment:

Educational attainment (the highest level of formal education an individual achieves) is shaped by a complex interplay of social, economic, institutional, and personal factors. Research from multiple disciplines consistently shows that family background, socioeconomic status, personal characteristics, school environment, cultural expectations, and broader social structures all influence whether individuals persist in and complete their educational trajectories. These determinants operate across the lifespan, from early childhood into adulthood, and are often interconnected rather than acting in isolation.

4.1 Family and Socioeconomic Background: A substantial body of research identifies family socioeconomic status (SES) as one of the most powerful predictors of educational attainment. SES typically encompasses parents’ income, education levels, and occupational status, and influences access to resources, educational support, and learning opportunities throughout a child’s life (United States Census Bureau, 2023). Children from higher-SES families generally have better access to high-quality schools, enriching learning environments, books, and extracurricular activities. In contrast, children from lower SES families often face financial constraints, limited learning resources, and less academic support, which can constrain educational progress (APA, 2017).

Evidence from longitudinal studies shows that increases in family SES are associated with higher likelihoods of completing secondary and tertiary education. For instance, research using longitudinal cohort data found that adolescents with higher parental socioeconomic status were consistently more likely to attain higher educational levels than their peers from lower-income backgrounds, even after accounting for personal attributes (Fakkel et al., 2024).

Parental education, a component of SES, also plays a significant role. Parents with higher levels of education often hold higher expectations for their children, provide richer cognitive stimulation at home, and can more effectively advocate for educational opportunities (Zhang et al., 2023). These advantages translate into stronger academic performance and higher educational attainment for their children.

4.2 Personal Characteristics and Behaviors: Individual characteristics, such as motivation, study habits, academic self-efficacy, and psychological well-being, also influence educational outcomes. Studies show that students with strong intrinsic motivation and effective study behaviors tend to perform better academically, which increases the likelihood of advancing to higher levels of education (Siddiky & Haque, 2024).

Motivation itself can be influenced by earlier academic success, expectations from family and teachers, and personal aspirations. Students who develop resilient attitudes and positive learning habits early in life are more likely to persist through challenges and attain higher qualifications.

4.3 Structural and Institutional Factors: The quality of schools and educational resources plays a critical role in shaping attainment. Well-resourced schools with qualified teachers, supportive learning environments, and advanced learning materials provide students with better preparation and academic support, enhancing their chances of completing higher education. Conversely, schools in under-resourced areas may struggle to offer comprehensive curricula or effective instructional practices, leading to lower attainment outcomes (UIS, 2024).

Classroom environment, teacher–student relationships, and school leadership quality influence not only academic skills but also students’ engagement and persistence in education. Research across multiple contexts highlights that positive school climates are associated with better academic performance, which in turn supports higher educational attainment.

4.4 Gender and Demographic Factors: Demographic factors such as gender, birth order, and ethnicity also intersect with educational attainment. In many societies, gender disparities persist: boys and girls may experience different social expectations, access to opportunities, or cultural pressures that affect their educational progression (Zozoungbo, 2024).

For example, in some contexts, boys from certain socioeconomic backgrounds may be more likely to complete higher levels of education compared to girls due to cultural norms or household decision-making (Raza et al., 2022). These patterns demonstrate how demographic characteristics interact with family and cultural factors to shape attainment trajectories.

4.5 Early Childhood Experience and Preschool Attendance: Early educational experiences also make a difference in long-term attainment. Research in early grade educational attainment (e.g., in South Sudan) shows that children who attend preschool and receive early learning stimulation start school with stronger foundational skills, which supports higher attainment later in life (Raza et al., 2019).

Early language proficiency, school readiness, and cognitive development in the formative years can influence long-term academic success by creating a trajectory that leads to continued engagement and achievement in schooling.

4.6 Mediating and Moderating Influences: It is important to recognize that many determinants mediate or moderate each other’s effects. For instance, supportive parental involvement and cognitive stimulation at home can buffer some of the disadvantages associated with lower SES, helping students achieve higher outcomes despite economic constraints (Trails cohort research, 2025).

Similarly, positive teacher–parent communication has been shown to enhance parental educational expectations and involvement, indirectly boosting educational attainment (Zhang et al., 2023).

So, educational attainment is not determined by a single factor but by a multidimensional interplay of family background, socioeconomic resources, personal motivation, institutional quality, demographic variables, and early childhood experiences. Policies aimed at improving attainment must address these multiple dimensions simultaneously by promoting equitable access to quality education, supporting families, and fostering positive learning environments both inside and outside of school.

5. Educational Attainment and Social Outcomes:

Educational attainment has far-reaching effects that go well beyond individual academic credentials and earnings. Across countries and cultural contexts, research consistently shows that higher levels of education are associated with economic advantages, improved health, social engagement, and broader well-being. These social outcomes emerge because education influences skills, opportunities, behaviours, and social participation, which in turn shape life trajectories across the lifespan.

5.1 Economic and Labour Market Outcomes: One of the most robust findings in the literature is that educational attainment is strongly linked to employment prospects and wages. According to the Organisation for Economic Co-operation and Development (OECD), adults with higher educational qualifications generally have better access to jobs and lower risks of unemployment. For example, across OECD countries, employment rates for adults aged 25–64 rise significantly with education level: around 60% for those without upper secondary qualifications, about 77% for those with upper secondary or post-secondary non-tertiary credentials, and approximately 87% for individuals with tertiary attainment. This pattern underscores how higher attainment opens pathways into more stable and rewarding labour market positions (OECD, 2025).

Educational attainment also correlates with higher earnings. The same OECD indicators report that adults with upper secondary education generally earn more than those without it, and tertiary-educated workers typically earn substantially more than their lower-educated peers. This wage premium reflects the higher demand employers place on cognitive, technical, and social skills developed through formal education (OECD, 2024).

Beyond employment and income, education contributes to economic inclusion and financial participation. A global analysis of compulsory education suggests that achieving minimum education levels enhances individuals’ access to formal financial systems, enabling greater participation in savings, credit markets, and economic decision-making across socioeconomic groups (Park & Yi, 2025).

5.2 Health and Well-Being: Higher educational attainment is also associated with better health outcomes and well-being across populations. Data from Education at a Glance reports show that adults with tertiary education are more likely than those with lower levels of education to rate their health as “very good” or “excellent.” Specifically, about 51% of tertiary-educated adults aged 25–64 report excellent or very good health, compared to only about 26% among adults without upper secondary qualifications. These differences are linked to healthier behaviours, such as lower smoking prevalence, and greater access to healthcare resources (OECD, 2025).

Educational attainment also positively influences mental well-being and lifestyle. Tertiary-educated individuals report higher levels of life enjoyment and healthier habits, including better nutrition and greater physical activity, compared to adults with lower attainment levels. While subjective wellbeing varies across countries and is shaped by multiple social and contextual factors, the general trend underscores that education equips individuals with knowledge and resources to pursue healthier lifestyles (OECD, 2025).

Importantly, the relationship between education and health is bidirectional: healthier individuals are more likely to stay engaged in education, and education itself fosters behaviours and cognitive resilience that support long-term health outcomes.

5.3 Civic Participation and Social Engagement: Educational attainment also shapes social participation, civic engagement, and community involvement. OECD data indicates that adults with higher levels of educational attainment tend to be more active in civic life; for example, they are more likely to engage in volunteer work or participate in demonstrations and community initiatives than individuals with lower qualification levels (OECD, 2023).

This pattern can be interpreted through several mechanisms: education builds critical thinking skills, which enable individuals to better understand social issues; it fosters communication and leadership capacities, which support civic participation; and it broadens social networks that facilitate engagement in collective activities. Such engagement contributes to stronger social cohesion and democratic participation at community and national levels.

5.4 Social Mobility and Inequality: Educational attainment plays a central role in intergenerational mobility and the reproduction of inequality. Although education can be a vehicle for upward mobility, disparities in attainment often reflect broader social inequalities. For instance, OECD reports find that children from families with high parental education are significantly more likely to obtain tertiary qualifications than peers from less educated families, highlighting persistent barriers to equal opportunity. These disparities illustrate how educational attainment can both open opportunities and entrench social stratification when access and completion are unequal across socioeconomic groups (OECD, 2025).

Sociological theories such as status attainment models emphasize this dynamic by showing how educational and occupational outcomes intersect with family background and social class, shaping life chances across generations (Status attainment, 2026).

5.5 Broader Social Outcomes: Beyond labour and civic life, educational attainment influences social behaviours and lifestyle patterns. For example, research consistently finds that higher education levels are associated with healthier choices, such as reduced smoking and better nutrition, which are key determinants of physical well-being (OECD, 2025).

Moreover, education supports social connectedness and cultural participation, as people with higher qualifications are more likely to engage in arts, cultural events, and community activities. These forms of social involvement can enrich life experiences and strengthen community bonds.

Thus, educational attainment has profound implications not only for individual economic prospects but also for health, social participation, civic engagement, and overall well-being. Higher educational levels tend to produce a cascade of positive social outcomes like enhancing employment opportunities, raising earnings, promoting healthier lifestyles, and encouraging civic and community engagement. At the same time, persistent disparities in attainment reflect broader inequalities that shape access to these benefits. Recognizing these linkages is essential for policymakers who seek to promote equitable education systems that support positive social progress.

6. Educational Attainment in Context (Case Studies):

Educational attainment does not occur in a vacuum. It varies significantly between countries and regions depending on economic development, government policy, social inequities, and historical context. Comparing case studies from high-income nations and low- and middle-income countries (LMICs) helps illustrate how structural differences influence attainment patterns, outcomes, and challenges.

6.1 Case Study (High-Income Countries: Patterns and Persistent Inequalities): High-income countries generally demonstrate higher overall rates of educational attainment, especially at the tertiary level. Data from global rankings show that OECD nations such as Canada, Japan, and Scandinavian countries consistently have a high share of adults who have completed post-secondary education (e.g., bachelor’s degree or higher), often exceeding 40 % of the adult population aged 25–64 (List of countries by tertiary education attainment, 2024).

In Europe, detailed analysis shows how intergenerational transmission of education reinforces attainment in high-income contexts. For example, nations like Norway, Sweden, and Estonia have high levels of adult educational attainment that correlate strongly with parental education, suggesting that structural supports and access to quality education help maintain attainment across generations (OECD, 2024).

However, even within high-income regions, disparities persist. Differences in attainment by socio-economic status, immigrant background, and geography remain significant. The European context revealed by OECD indicators shows that countries with strong school equity policies reduce gaps between advantaged and disadvantaged students, whereas others still grapple with entrenched inequalities (OECD & UNICEF, 2024).

A further example of diversity within high-income systems comes from literacy assessments. Reports show that educational attainment does not always translate directly into higher skill outcomes, depending on the country’s schooling system quality. In Finland, adults with only upper secondary education achieve literacy scores comparable to tertiary graduates in other OECD countries, underscoring that quality of education and instructional effectiveness significantly mediate the relationship between formal attainment and skills (The Times, 2025).

6.2 Case Study (Low- and Middle-Income Countries: Challenges and Variations): LMICs face persistent barriers to expanding educational attainment despite policy efforts and global development goals. A major cross-national analysis indicates that in many regions of Africa, South Asia, and Latin America, subnational disparities are pronounced, with large segments of populations lacking basic primary and secondary completion (Nature mapping study, 2019).

Panel evidence from countries such as Ethiopia, India, Pakistan, Peru, and Vietnam illustrates that early academic performance strongly influences later attainment. In this research, higher test scores at age 12 were consistently associated with more years of completed education and higher college attendance by age 22, highlighting the long-term consequences of early learning inequalities (Panel evidence study, 2022).

In specific national contexts, such as Bangladesh, educational attainment faces both structural and resource challenges. According to UNESCO and national data, urban–rural disparities, gender gaps, and low government investment remain key barriers. For example, Bangladesh’s allocation to education as a share of GDP is among the lowest globally, contributing to limited school infrastructure, overcrowded classrooms, and challenges in teacher quality and access to higher education (Education in Bangladesh, 2026; Financial Express, 2024).

Research on higher education in Bangladesh reveals gender disparities in enrollment and completion rates, with male students significantly more likely to remain in tertiary education than female counterparts. Limited resources for post-secondary schooling and high dropout rates at the secondary level contribute to these patterns, demonstrating how policy and social norms shape attainment outcomes (Inclusive higher education study, 2023).

6.3 Comparative Insights Across Economic Contexts: Comparative evidence underscores that economic development, public investment in education, and institutional capacity shape attainment differently across countries. High-income nations tend to have well-funded, equitable education systems with widespread access to higher education and strong social supports, resulting in high proportions of tertiary attainment and intergenerational educational stability (OECD, 2024).

In contrast, LMICs show greater variability and pronounced gaps. Sub-national disparities in schooling completion, limited early childhood learning opportunities, and insufficient educational funding are common barriers. These structural constraints not only reduce overall attainment levels but also diminish transitions to higher education, particularly among disadvantaged groups (Nature mapping study, 2019).

At a broader level, global health and human capital reports suggest that declines in education quality and attainment in many low- and middle-income countries have long-term economic consequences. Recent World Bank analysis warns that stagnation or decline in both health and education outcomes could significantly reduce future earning potential in affected regions, compared with peers with stronger human capital development (World Bank, 2026).

Overall, these case studies reveal that while educational attainment is a shared goal globally, its levels, determinants, and outcomes differ widely across high-income and low-income contexts. Effective policy responses require tailored approaches that address early learning, quality of instruction, equitable access, and sustained investment in education systems.

7. Challenges in Educational Attainment Measurement and Interpretation:

Measuring educational attainment is crucial for comparing educational outcomes across populations and informing policy. However, despite its widespread use, the measurement and interpretation of attainment face a range of methodological and conceptual challenges that can limit the accuracy, reliability, and meaningfulness of results. These challenges arise from issues with data collection, cross-national comparability, operational definitions, survey design, and interpretation of what attainment really reflects. In this section, key obstacles are explored in detail based on recent research and methodological analysis.

7.1 Differences in Educational Systems and Harmonisation Challenges: One of the greatest challenges in measuring educational attainment internationally is the diversity of educational systems across countries. Qualifications, curricula, and institutional structures vary widely, making direct comparisons difficult. To address this, classification frameworks such as the International Standard Classification of Education (ISCED) were developed to standardise education levels for global comparisons (UNESCO, 2012). While useful, these frameworks cannot fully eliminate discrepancies because national systems do not always map neatly onto international categories, and countries may interpret classification criteria differently. This can lead to measurement error or misclassification when researchers attempt to compare attainment across contexts.

For example, a diploma or certificate awarded in one country might not have a clear equivalent in the ISCED classification, leading to inconsistencies in how educational levels are coded. Even when using harmonisation schemes, the underlying structural differences in schooling pathways, vocational tracks, and credentialing systems can obscure true educational differences and create interpretive challenges for researchers.

7.2 Reliability and Survey Response Inconsistencies: Although educational attainment is often treated as a factual and stable variable in surveys, research shows that individual responses may be inconsistent, especially when identical questions are asked in different modes (e.g., face-to-face vs online). A test–retest study of harmonised attainment measures using data from multiple European countries found notable inconsistencies in individual responses, particularly when respondents reported levels that differed between survey waves. Lower reliability was observed with detailed educational classifications, suggesting that respondents may have difficulty accurately identifying or recalling their exact qualification level.

These discrepancies are more common between adjacent educational levels, indicating confusion around similar qualifications and highlighting that harmonisation schemes as detailed as EDULVLB or extended ISCED categories may increase cognitive burden for survey participants. Such measurement error can undermine the validity of attainment data, especially in individual-level analyses.

7.3 Self-Report and Data Source Limitations: Educational attainment data often rely on self-reported information, which can introduce recall bias and inaccuracies, especially in retrospective surveys or longitudinal studies. Unlike administrative records, self-reports depend on respondents correctly remembering, understanding, and classifying their past education, which can be influenced by question wording or response options. Research in epidemiology emphasises that measurement of educational variables rarely includes detailed documentation of how data were collected (e.g., self-report vs records), how years were computed, and how categories were determined; information that is critical for interpreting results and ensuring consistency over time.

This lack of explicit methodological detail can lead to inconsistencies in educational variables across studies, limiting the ability to integrate or compare data from different sources meaningfully. For instance, one survey may classify years of schooling differently from another, or combine qualifications differently, leading to misleading conclusions about attainment levels.

7.4 Measurement Precision and Categorisation Issues: Educational attainment is typically measured as a categorical variable (e.g., primary, secondary, tertiary), but this approach can mask important variation within categories. For example, two people with a tertiary qualification may differ widely in years of study, field of study, and skill acquisition, yet both fall under the same category. A continuous approach to measuring years of schooling has been proposed to address this limitation, but continuous data are often unavailable or difficult to estimate reliably.

The use of broad categories simplifies reporting but reduces precision, hindering nuanced analyses of how different levels of education relate to outcomes like earnings or health. Researchers must therefore balance the benefits of simplicity and comparability against the loss of detailed information that can occur when using coarse categorical measures.

7.5 Cross-National Comparability and Cultural Contexts: Even with harmonisation, cross-national comparisons can be biased by cultural and contextual differences in how education is valued, organised, and reported. For example, standardized measures like PISA, TIMSS, or national attainment statistics may vary in quality and coverage, and may not reflect the full diversity of educational experiences in different cultural contexts.

International assessments often emphasize specific academic domains like reading, mathematics, and science, potentially overlooking other competencies such as creativity, civic skills, or vocational expertise. This can skew interpretations of what “attainment” means in diverse societies and limit the relevance of findings for local policy and practice.

7.6 Interpretation as a Proxy for Other Constructs: Educational attainment does not measure only formal schooling; it often serves as a proxy for broader constructs like social opportunity, cultural capital, and life chances. Researchers in epidemiology caution that attainment levels may inadvertently capture elements such as cognitive ability, family resources, or cultural norms, which are conceptually distinct from formal qualification levels.

This complexity means that interpreting attainment requires caution, particularly when using it as a predictor in studies of health or economic outcomes. Attribution of causal influence to education alone may be misleading if other confounding variables are not adequately accounted for.

7.7 Longitudinal Comparability and Life-Course Interpretation: In longitudinal research, measuring educational attainment consistently over time poses additional challenges. Changes in education systems, qualification structures, and the meaning of credentials can affect how attainment is recorded in different cohorts. A study on longitudinal measurement in social research highlights these issues, noting that measurement error, changes in classification, and inconsistency in follow-up assessments can distort interpretations of educational trajectories across the life course.

Such challenges underscore the need for clear documentation of measurement methods, careful instrument design, and validation strategies to ensure that changes observed over time reflect real differences in attainment rather than artefacts of measurement inconsistency.

Subsequently, measuring educational attainment is indispensable for understanding educational outcomes and informing policy. However, due to diverse educational systems, survey design complexities, reliance on self-reports, classification limitations, and interpretive nuances, attainment measures must be interpreted with caution. Researchers and policymakers should prioritise methodological transparency, harmonised instruments, and mixed-methods approaches to mitigate these challenges and ensure that educational attainment data truly reflect real social and educational dynamics.

8. Frameworks and Models in Attainment Research:

In educational research, several theoretical frameworks and empirical models have been developed to explain how and why educational attainment occurs, what factors influence it, and how it connects to broader social structures. These frameworks span perspectives from economics (e.g., human capital theory), sociology (e.g., status attainment models), and psychology (e.g., expectancy‑value theory). Together, they offer comprehensive insights into both individual decisions and structural influences shaping educational outcomes.

8.1 Human Capital Theory: Human capital theory is one of the foundational approaches used to explain educational attainment from an economic perspective. Rooted in the work of economists such as Gary Becker, this framework conceptualises education as an investment in human capabilities that increases productivity and future earnings (Becker, 1964, as cited in related literature). Individuals are assumed to make rational choices about investing in education based on expected returns in the labour market (e.g., higher wages, better employment prospects) relative to costs such as tuition, time, and opportunity costs (MDPI education analysis, 2023).

According to this model, individuals compare expected future benefits of additional education with the immediate costs, and pursue higher levels of schooling when the anticipated benefits outweigh these costs (MDPI education analysis, 2023). Human capital theory therefore frames educational attainment as an economically driven, rational decision process; influencing both the levels of schooling completed and the timing of educational transitions.

While highly influential in labour economics and policy circles, human capital theory has been complemented by other frameworks recognising that social context, aspirations, and structural barriers also shape educational outcomes.

8.2 Status Attainment Models: In sociology, the status attainment tradition provides a detailed framework for understanding how social origins and psychological processes combine to influence educational and occupational outcomes. One of the most influential examples is the Wisconsin model of status attainment, originally developed by Sewell, Haller, and Portes in the late 1960s and early 1970s. This model extends earlier work by Blau and Duncan (1967), adding social‑psychological variables alongside structural predictors to explain educational and occupational attainment more comprehensively (Wisconsin model, 2024; Sewell et al., 1970).

At its core, the Wisconsin model posits a causal sequence:

  • Social structural variables (e.g., family socioeconomic status, parental education) and individual characteristics (e.g., mental ability) influence academic performance.
  • These factors, combined with the influence of significant others (such as parents, teachers, and peers), shape young people’s educational aspirations and expectations.
  • Aspirations then influence educational outcomes with higher aspirations increasing the likelihood of completing more advanced levels of schooling.

Research extending this model confirms that aspirations and expectations are important mediators between background and attainment, although some critiques suggest expectations alone may not fully account for structural barriers and contextual influences (Fishman, 2019).

The Wisconsin model has been empirically foundational, showing that educational attainment is shaped by both social structure and individual agency; not merely by resources or achievement tests (Wisconsin model, 2024).

8.3 Psychological Frameworks (Expectancy‑Value Theory): From a psychological perspective, expectancy‑value theory offers insight into the motivational processes that influence educational decisions and attainment. Originally developed by Atkinson and adapted for educational contexts by Eccles and colleagues, this model suggests that learners’ expectations for success and subjective task values (e.g., how important, useful, or enjoyable a task is perceived to be) are central determinants of their engagement, persistence, and achievement in academic settings (Expectancy‑value theory, 2025).

Expectancy‑value theory highlights how individual beliefs about their capabilities and the perceived value of education influence academic behaviours. This complements structural models by focusing on intrapersonal motivational factors; explaining why some learners persist in higher education while others disengage, even when structural opportunities exist.

8.4 Bourdieu’s Cultural Reproduction Framework: Although not strictly an attainment model in the technical path‑analysis tradition, Pierre Bourdieu’s theory of cultural reproduction has significantly shaped sociological thinking about educational inequality and attainment. Bourdieu argues that educational systems often reproduce existing class structures because students from privileged backgrounds possess more cultural capital (dispositions, language styles, and cultural knowledge valued in schools) which gives them an advantage in academic success and credential attainment (Cultural reproduction, 2025).

Under this framework, educational attainment reflects not only individual achievement but also access to cultural capital and social advantage, explaining persistent intergenerational inequalities even in open schooling systems.

8.5 Integrative and Contemporary Approaches: More recent research increasingly combines insights from economics, sociology, and psychology to capture the complexity of attainment processes:

  • Educational production function models examine how inputs (e.g., school resources, family environment) and background characteristics jointly influence educational outcomes using empirical, econometric methods (Wilson, 2001).
  • Latent variable and structural equation modelling allow researchers to estimate composite constructs such as ‘human capital’ or ‘educational aspiration’ while controlling for measurement error and multifaceted influences.
  • These integrative approaches emphasise that attainment results from a combination of structural conditions, individual resources, aspirations, and institutional contexts, reflecting the interplay between personal agency and social structure.

Frameworks and models in educational attainment research each contribute unique perspectives:

  • Human capital theory highlights economic incentives and investment decisions.
  • Status attainment models, particularly the Wisconsin model, map the social and psychological processes linking background, aspirations, and attainment.
  • Expectancy‑value theory focuses on motivational determinants of educational choices.
  • Bourdieu’s cultural reproduction theory underscores the role of cultural advantage in shaping attainment.

Together, these frameworks highlight that educational attainment is not solely an outcome of individual ability or ambition but is shaped by broader economic structures, family influences, social norms, and psychological processes.

9. Future Directions and Policy Implications:

As global education systems evolve, educational attainment (the level of formal education completed) remains a central indicator of social and economic progress, but the challenges of the 21st century require forward‑looking frameworks and innovative policies. Research and policy‑oriented organisations such as the Organisation for Economic Co‑operation and Development (OECD) and the United Nations Educational, Scientific and Cultural Organization (UNESCO) are shaping visions for the future that emphasise sustainability, inclusion, adaptability to technological change, and stronger alignment between education and societal needs.

9.1 Adapting Education Systems for Future Skills and Competencies: Future educational policies must respond to rapid technological change, shifting labour markets, and the growing importance of competencies beyond traditional academic knowledge. The OECD Future of Education and Skills 2030/2040 project highlights the need for systems that build not only knowledge but also skills, attitudes, and values that prepare learners for complex and unpredictable futures. This initiative promotes frameworks like the OECD Learning Compass, which encourages learner agency, well‑being, and reflective competencies to navigate change (OECD, 2026).

By focusing on competencies rather than solely on credentials, policy can better support learners in adapting to a world where lifelong learning and flexibility are essential. This shift implies that attainment models may increasingly incorporate competence‑based measures alongside traditional attainment categories to capture how well educational systems prepare individuals for real‑world challenges.

9.2 Promoting Lifelong Learning and Upskilling: Global policy outlooks stress that the traditional pattern of education completed early in life is no longer sufficient. The OECD Education Policy Outlook 2025 emphasises the importance of lifelong learning systems that enable individuals to continuously upskill and reskill throughout their working lives. In many countries, participation in adult education and training has stagnated, and foundational skills such as literacy and numeracy are declining, making mid‑career learning opportunities vital for employability and economic inclusion (OECD, 2025).

Policymakers are therefore focusing on flexible learning pathways that include modular courses, online learning, recognition of non‑formal and informal learning, and supportive financial levers such as paid training leave or individual learning accounts. By broadening access to learning opportunities beyond the early years, future educational attainment frameworks can better reflect an individual’s ongoing skill development and not just initial degree completion.

9.3 Addressing Inequalities in Access and Completion: While attainment levels have increased globally, disparities persist, particularly along socio‑economic lines. An OECD press release notes that, despite near‑record tertiary attainment rates, young adults from less educated families are far less likely to hold higher degrees than their counterparts from highly educated households, highlighting persistent barriers to access and completion (OECD, 2025).

Future policy must therefore focus on equity‑driven interventions, including:

  • Strengthening academic preparation and career guidance in early education.
  • Expanding financial aid and support systems for underrepresented students.
  • Tailoring instruction to diverse learners to reduce drop‑out rates and improve completion outcomes.

Such policies not only enhance individual attainment potential but also maximise the social and economic returns on public education investment.

9.4 Linking Educational Attainment with Broader Social Goals: Educational attainment policies are increasingly being connected to broader social objectives, including Sustainable Development Goal 4 (SDG 4), which calls for inclusive, equitable, and quality education. UNESCO’s Futures of Education initiative provides a framework for imagining how education can contribute to peaceful, just, and sustainable societies, emphasising the integration of education policy with goals such as climate resilience, global citizenship, and technological adaptation (UNESCO, 2021).

This broader framing means that attainment is no longer viewed purely as an economic or labour market outcome; instead, it becomes part of a holistic vision of human development that supports social justice and sustainability. Future policy implications therefore include:

  • Aligning attainment targets with environmental and societal goals.
  • Developing inclusive curricula that reflect diverse cultural values.
  • Integrating global competencies that strengthen civic engagement and ethical responsibility.

9.5 Mobilising Resources and Institutional Capacity: Achieving ambitious future visions for attainment requires substantial policy commitment and resource mobilisation. As low‑ and middle‑income countries grapple with limited education spending, income reforms and effective tax policies are recommended to expand domestic resources for education and accelerate progress toward global goals such as SDG 4 (Schleicher, 2025).

Strengthening institutional capacity (including policy‑making mechanisms, data systems for monitoring attainment, and cross‑sectoral partnerships) is also vital so that policy interventions are evidence‑based, contextually adaptive, and financially sustainable.

9.6 Building Resilient and Inclusive Systems: Future directions for educational attainment policy also demand resilience in the face of global disruptions such as pandemics, climate change, and economic shifts. Policy design must therefore integrate:

  • Continuity planning for remote and hybrid learning environments.
  • Support for vulnerable learners to reduce the risk of educational exclusion.
  • Investment in teacher training and professional development to maintain instructional quality during transitions.

Such resilience ensures that attainment systems are not only reactive to crises but also adaptive and forward‑looking, maintaining equitable progression toward higher levels of education under changing conditions.

Educational attainment is an essential indicator of human development, but standing still is no longer an option. Future policies must extend beyond access to credentials by embracing holistic competencies, supporting lifelong learning, addressing inequities, and aligning education with broader social and global goals. By doing so, education systems can better equip individuals and societies to thrive in complexity and uncertainty, making attainment both an outcome and a catalyst for sustainable futures.

In conclusion, Educational attainment (defined as the highest level of formal education an individual completes) serves not only as a statistical indicator but as a cornerstone of individual well‑being and societal development. Over recent decades, global attainment levels have increased, reflecting substantial progress in access to primary, secondary, and tertiary education in both high‑income and low‑ and middle‑income countries (LMICs) (OECD, 2025). However, while overall expansion is positive, it also reveals persistent structural inequalities that must be addressed to fully realise the potential of education systems worldwide.

First, educational attainment remains unevenly distributed across populations. Even in many OECD countries, a notable fraction of young adults still lacks basic secondary qualifications; a foundational threshold for economic participation in modern societies (OECD, 2025). Additionally, parental education remains a strong determinant of individual educational outcomes, with those from less educated families far less likely to attain a tertiary degree compared to peers from highly educated backgrounds (OECD, 2025). These disparities reinforce social stratification and highlight the need for policies that promote equitable access and completion opportunities for historically underrepresented groups.

Second, the link between educational attainment and broader social outcomes remains robust. Individuals with higher levels of education experience better labour market prospects, higher earnings, and greater social participation, and they often enjoy improved health outcomes (such as lower rates of chronic disease and better self‑reported well‑being) than those with lower attainment (OECD, 2023; OECD, 2025). Education also contributes to societal benefits like civic engagement and social cohesion, underscoring that attainment is not purely an economic asset but also a social one (OECD, 2023).

Third, although attainment expansion has continued, labour market and societal demands are evolving faster than education systems in many contexts. New competencies (such as digital literacy, problem‑solving, and adaptability) are increasingly essential for employment and civic life in the 21st century. This trend challenges policymakers to evolve traditional attainment frameworks toward lifelong learning and competency‑based systems that value both formal credentials and ongoing skill development, including through non‑formal and adult education pathways.

Fourth, measurement and interpretation challenges remain significant. Attainment statistics, while useful, can mask differences in educational quality, learning outcomes, and social context. Differences in educational systems, qualification definitions, and data collection methods complicate cross‑national comparisons and policy evaluation. Researchers and policymakers must complement attainment indicators with other measures (such as learning outcomes and competency assessments) to capture the complex realities of human capital formation.

In aggregate, these insights suggest that while higher educational attainment is strongly associated with positive economic and social benefits, policy action must focus on equity, relevance, and adaptability. Priority areas include:

  • Expanding equitable access to all education levels, especially for marginalised and disadvantaged groups.
  • Improving retention and completion rates through targeted support, such as financial aid, academic advising, and inclusive learning environments.
  • Aligning education systems with future labour market needs, thereby emphasising lifelong learning and modular credentialing.
  • Integrating non‑formal and adult learning opportunities to accommodate diverse developmental trajectories.

By striving toward these goals, policymakers can ensure that education remains a pathway not only to economic opportunity but also to healthier, more inclusive, and more resilient societies. Educational attainment thus stands as both an indicator and a driver of broader social progress as nations pursue more just and sustainable futures.

Frequently Asked Questions (FAQs):

What is educational attainment?

Educational attainment refers to the highest level of formal education an individual has completed, such as high school, college, or a postgraduate degree. It is used to understand educational outcomes in individuals and populations.

How is educational attainment different from school enrollment?

Educational attainment measures completed education levels, while school enrollment refers to the level of schooling a person is currently attending. Enrollment data focus on students currently in school, whereas attainment focuses on finished educational achievement.

Why is educational attainment important in research and policy?

Attainment is a key indicator of human capital, economic opportunity, and social development. It helps policymakers assess a country’s education system, monitor inequalities, and link education to outcomes such as employment, health, and civic participation.

At what age is educational attainment usually measured?

Attainment data are typically collected for adults aged 25 years and older, because most people have completed their formal education by this age. Measuring younger age groups can underestimate true attainment levels if many are still enrolled in school.

What are the typical categories used in educational attainment data?

Common attainment categories include:

  • No formal schooling
  • Primary or secondary completed
  • High school diploma or equivalent
  • Associate’s degree
  • Bachelor’s degree
  • Master’s, professional, or doctorate degrees

These categories help researchers compare education levels across populations.

How does educational attainment affect career and earnings?

Higher educational attainment is strongly correlated with higher employment rates, increased earning potential, and lower unemployment. Individuals with tertiary education typically earn more and have greater job stability than those with lower attainment.

What factors can influence educational attainment levels?

Attainment is influenced by family background, socio‑economic status, access to quality schooling, gender norms, and geographic location. For example, people from higher‑educated families are often more likely to complete higher education.

Why do some people with the same degree have different outcomes?

Educational attainment (the degree completed) is not the same as learning outcomes or skills proficiency. People with similar credentials may have different knowledge levels depending on factors like school quality and individual effort.

Are qualifications like GED or vocational certificates counted in attainment?

Qualifications such as GED are often classified as “equivalent to a high school diploma,” while vocational certificates may be included depending on the survey and classification system being used.

Can educational attainment data be compared across countries?

Yes, but with caution. International frameworks such as the International Standard Classification of Education (ISCED) standardise education levels to allow cross‑country comparison, though differences in systems and cultures can still complicate interpretation.

Does educational attainment always capture true learning?

Not always. Attainment indicates completed education levels, but it may not reflect actual skills or competencies acquired. Some researchers emphasise combining attainment with assessments of learning outcomes for a fuller picture of educational success.

References:

  1. American Psychological Association. (2017). Education and socioeconomic status. https://www.apa.org/pi/ses/resources/publications/education
  2. Barro, R. J., & Lee, J. W. (2013). A new data set of educational attainment in the world, 1950–2010. Journal of Development Economics, 104, 184–198. https://doi.org/10.1016/j.jdeveco.2012.10.001
  3. Barro, R. J., & Lee, J.-W. (2015). International comparisons of school enrollment and educational attainment, 1870–2010. In Education matters: Global schooling gains from the 19th to the 21st century (pp. 16–70). Oxford University Press. https://doi.org/10.1093/acprof:oso/9780199379231.003.0002
  4. Becker, G. S. (1993). Human capital: A theoretical and empirical analysis, with special reference to education (3rd ed.). University of Chicago Press.
  5. Breen, R., & Jonsson, J. O. (2005). Inequality of opportunity in comparative perspective: Recent research on educational attainment and social mobility. Annual Review of Sociology, 31, 223–243. https://doi.org/10.1146/annurev.soc.31.041304.122232
  6. Briceno-Rosas, R. (2025). Reliability of educational attainment of survey respondents: An overlooked barrier to comparability? Humanities and Social Sciences Communications, 12, 1651. https://doi.org/10.1057/s41599-025-06051-9
  7. Cambridge University Press. (2025). Educational achievement. In Cambridge Dictionary. Retrieved December 10, 2025, from https://dictionary.cambridge.org/bn/example/english/educational-achievement
  8. Das, J., Singh, A., & Yi Chang, A. (2022). Test scores and educational opportunities: Panel evidence from five low- and middle-income countries. Journal of Public Economics, 206, 104570. https://doi.org/10.1016/j.jpubeco.2021.104570
  9. Eurostat. (2026, February 10). Educational attainment level and transition from education to work (based on EU-LFS) [Reference metadata]. European Commission. https://webgate.ec.europa.eu/eurostat/cache/metadata/en/edat1_esms.htm
  10. Fakkel, M., Peeters, M., Branje, S., & Stevens, G. W. J. M. (2024). Parental SES and family support as predictors of educational level: Testing the buffering effect of effortful control and peer support. Journal of adolescence, 96(8), 1884–1900. https://doi.org/10.1002/jad.12389
  11. Fiveable. (2025, August). International student achievement comparisons. Fiveable Sociology of Education Study Guide. https://fiveable.me/sociology-of-education/unit-9/international-student-achievement-comparisons/study-guide/dnBtGMqNLZqK2cqs
  12. Friderichs, T. J., & Correa, F. M. (2022). Measuring human capital in South Africa across socioeconomic subgroups using a latent-variable approach. Social Indicators Research, 164(3), 1161–1185. https://doi.org/10.1007/s11205-022-02973-y
  13. Gethin, A. (2025, March). The power of education policy. Finance & Development, 62(1). https://www.imf.org/en/publications/fandd/issues/2025/03/the-power-of-education-policy-amory-gethin
  14. Gladushyna, O., & Strietholt, R. (2023). Measuring education: Do we need a plethora of assessment studies or just a single score? International Journal of Educational Research Open, 5, 100281. https://doi.org/10.1016/j.ijedro.2023.100281
  15. Goldin, C., & Katz, L. F. (2008). The race between education and technology. Harvard University Press.
  16. Hanushek, E. A., & Woessmann, L. (2015). The knowledge capital of nations: Education and the economics of growth. MIT Press. https://doi.org/10.7551/mitpress/9780262029179.001.0001
  17. International Commission on the Futures of Education. (2021). Reimagining our futures together: A new social contract for education. UNESCO. https://www.unesco.org/en/futures-education
  18. Islam, T. (2024, December 28). Addressing educational disparities in Bangladesh. The Financial Express. https://thefinancialexpress.com.bd/education/article/addressing-educational-disparities-in-bangladesh
  19. Islam, K. T., & Alam, M. J. (2024). Inclusive higher educational opportunity and environments to achieve SDG4 in Bangladesh: Lessons from Japan. International Journal of Educational Research Open, 6, 100317. https://doi.org/10.1016/j.ijedro.2023.100317
  20. IResearchNet. (2025). Educational attainment – Sociology of education. https://sociology.iresearchnet.com/sociology-of-education/educational-attainment/
  21. Khalatbari-Soltani, S., Maccora, J., Blyth, F. M., Joannès, C., & Kelly-Irving, M. (2022). Measuring education in the context of health inequalities. International Journal of Epidemiology, 51(3), 701–708. https://doi.org/10.1093/ije/dyac058
  22. Local Burden of Disease Educational Attainment Collaborators. (2020). Mapping disparities in education across low- and middle-income countries. Nature, 577(7789), 235–238. https://doi.org/10.1038/s41586-019-1872-1
  23. Love, J., Bennetts, S. K., Berthelsen, D., Hackworth, N. J., Westrupp, E., Mensah, F. K., & Nicholson, J. M. (2022). Measuring educational attainment in longitudinal research: Challenges and recommendations. International Journal of Social Research Methodology, 25(1), 119–126. https://doi.org/10.1080/13645579.2020.1818415
  24. OECD. (2023). Education at a Glance 2023: OECD Indicators. OECD Publishing. https://doi.org/10.1787/e13bef63-en
  25. OECD. (2024). Education economic and social outcomes. https://www.oecd.org/en/topics/education-economic-and-social-outcomes.html
  26. OECD. (2025). Education at a Glance 2025: OECD Indicators. OECD Publishing. https://doi.org/10.1787/e13bef63-en
  27. OECD. (2025). How are social outcomes related to education? In Education at a Glance 2025: OECD Indicators. OECD Publishing. https://doi.org/10.1787/1c0d9c79-en
  28. OECD. (2025). To what level have adults studied? In Education at a Glance 2025: OECD Indicators. OECD Publishing. https://doi.org/10.1787/1c0d9c79-en
  29. OECD. (2026, March 10). Education attainment. https://www.oecd.org/en/topics/education-attainment.html
  30. OECD. (2026). Future of education and skills 2030. OECD. https://www.oecd.org/en/about/projects/future-of-education-and-skills-2030.html
  31. OECD. (2025). Education Policy Outlook 2025: Nurturing Engaged and Resilient Lifelong Learners in a World of Digital Transformation, OECD Publishing, Paris, https://doi.org/10.1787/c3f402ba-en.
  32. OECD. (2025, September). Educational attainment at an all-time high but barriers to access and low completion rates must be addressed, says OECD [Press release]. https://read.oecd-ilibrary.org/en/about/news/press-releases/2025/09/educational-attainment-at-an-all-time-high-but-barriers-to-access-and-low-completion-rates-must-be-addressed-says-oecd.html
  33. OECD & UNICEF. (2024). Education in the Eastern Partnership: Findings from PISA. OECD Publishing. https://doi.org/10.1787/d5d6f109-en
  34. Park, E., & Yi, S. (2025). Compulsory education enhances financial inclusion across socioeconomic groups: A global analysis. Humanities and Social Sciences Communications, 12(1), 695. https://doi.org/10.1057/s41599-025-04911-y
  35. Read, R., & Benavot, A. (2023). Global education monitoring report. In R. J. Tierney, F. Rizvi, & K. Ercikan (Eds.), International encyclopedia of education (4th ed., Vol. 1, pp. 553–564). Elsevier. https://doi.org/10.1016/B978-0-12-818630-5.01026-5
  36. Raza, W. A., Kabir, M. M., & Rashid, R. (2019). Factors affecting early grade educational attainment: Evidence from South Sudan. International Journal of Educational Development, 65, 92–97. https://doi.org/10.1016/j.ijedudev.2017.08.004
  37. Raza, S. H., Shah, Z. A., & Haq, W. (2022). Role of birth order, gender, and region in educational attainment in Pakistan. Scientific Reports, 12(1), 11842. https://doi.org/10.1038/s41598-022-15700-x
  38. Siddiky, M. R., & Haque, I. E. (2024). Factors affecting students’ academic performance mediated by their motivation for learning. Asian Journal of University Education, 20(1), 15–27. https://doi.org/10.24191/ajue.v20i1.25696
  39. Sikkhabiggan. (2025, October 25). National Education Policy 1986 & Operation Black Board. https://www.sikkhabiggan.in/2025/10/national-education-policy-1986.html
  40. Stewart, H. (2026, February 12). Declines in health and education in poor countries ‘harming earning potential’. The Guardian. https://www.theguardian.com/business/2026/feb/12/declining-health-education-poor-countries-harms-earning-potential-world-bank
  41. S. Census Bureau. (2023, February 16). Census Bureau releases new educational attainment data [Press release]. https://www.census.gov/newsroom/press-releases/2023/educational-attainment-data.html
  42. S. Census Bureau. (2025, June 12). About educational attainment. https://www.census.gov/topics/education/educational-attainment/about.html
  43. UNESCO Institute for Statistics. (2024). Educational attainment. https://uis.unesco.org/en
  44. UNESCO Institute for Statistics. (n.d.). Mean years of schooling.
  45. UNESCO Institute for Statistics. (n.d.). Youth/adult educational attainment rates by age group and level of education.
  46. UNESCO. (2025, June). Investing in education increasingly requires domestic resource mobilization. https://www.unesco.org/en/articles/investing-education-increasingly-requires-domestic-resource-mobilization
  47. United Nations Statistics Division (UNSD). (2026, March 10). Learning and education. United Nations Department of Economic and Social Affairs. https://unstats.un.org/unsd/demographic-social/sconcerns/education/.
  48. Wikipedia contributors. (2024, May 10). International Standard Classification of Education. In Wikipedia, The Free Encyclopedia. Retrieved March 10, 2026, from https://en.wikipedia.org/wiki/International_Standard_Classification_of_Education
  49. Wikipedia contributors. (2024, February 21). List of countries by tertiary education attainment. In Wikipedia, The Free Encyclopedia. Retrieved March 10, 2026, from https://en.wikipedia.org/wiki/List_of_countries_by_tertiary_education_attainment
  50. Wikipedia contributors. (2024, February 28). Education in Bangladesh. In Wikipedia, The Free Encyclopedia. Retrieved March 10, 2026, from https://en.wikipedia.org/wiki/Education_in_Bangladesh
  51. Wikipedia contributors. (2024, May 15). Status attainment. In Wikipedia, The Free Encyclopedia. Retrieved March 10, 2026, from https://en.wikipedia.org/wiki/Status_attainment
  52. Wikipedia contributors. (2024, April 30). Wisconsin model. In Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Wisconsin_model
  53. Wikipedia contributors. (2025, September 8). Expectancy-value theory. In Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Expectancy-value_theory
  54. Wikipedia contributors. (2026, January 7). High school movement. In Wikipedia, The Free Encyclopedia. Retrieved March 10, 2026, from https://en.wikipedia.org/wiki/High_school_movement
  55. Wikipedia contributors. (2025, May 10). International Commission on Financing Global Education Opportunity. In Wikipedia, The Free Encyclopedia. Retrieved March 10, 2026, from https://en.wikipedia.org/wiki/International_Commission_on_Financing_Global_Education_Opportunity
  56. Wikipedia contributors. (2025, October 28). Cultural reproduction. In Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Cultural_reproduction
  57. Wilson, K. (2001). The determinants of educational attainment: Modeling and estimating the human capital model and education production functions. Southern Economic Journal, 67(3), 518–551. https://doi.org/10.1002/j.2325-8012.2001.tb00355.x
  58. Winthrop, R., & McGivney, E. (2015, June 10). Why wait 100 years? Bridging the gap in global education. Brookings Institution. https://www.brookings.edu/articles/why-wait-100-years-bridging-the-gap-in-global-education/
  59. Zhang, M., Hu, Y., & Hu, Y. (2023). The influences of socioeconomic status on parental educational expectations: Mediating and moderating effects. Sustainability, 15(16), 12308. https://doi.org/10.3390/su151612308
  60. Zozoungbo, C. (2024). How gender and birth order affect educational attainment inequality within-families: Evidence from Benin (arXiv:2404.12988). arXiv. https://doi.org/10.48550/arXiv.2404.12988