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Mean number of years spent in school by age group and gender. Projections are based on collected census and survey data for the base year (around 2010) and the Medium Shared Socioeconomic Pathways (SSP2) projection model. The SSP2 is a middle-of-the-road scenario that combines medium fertility with medium mortality, medium migration, and the Global Education Trend (GET) education scenario. For more information and other projection models, consult the Wittgenstein Centre for Demography and Global Human Capital's website: http://www.oeaw.ac.at/vid/dataexplorer/
As of 2025, Canada ranks first with 14.4, followed by Germany (14.3) and Ireland (14.3).
The top two are virtually level: Canada and Germany differ by less than 1%.
Across 166 countries and territories, values run from 14.4 (Canada) to 2.4 (Niger), with a median of 10.5.
By region, the top 10 is made up of 6 from Europe, 2 from Asia, 1 from the Americas and 1 from Oceania.
Source: World Bank Open Data — Wittgenstein Projection: Mean years of schooling. Age 20-64. Total, 2025. Unit: indicator value.
Source: World Bank Open Data — Wittgenstein Projection: Mean years of schooling. Age 20-64. Total · CC BY 4.0 · fetched Oct 17, 2026