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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, Ireland ranks first with 3.2, followed by New Zealand (3.2) and Malaysia (3.1).
The top two are virtually level: Ireland and New Zealand differ by less than 1%.
Across 166 countries and territories, values run from 3.2 (Ireland) to 0.7 (Niger), with a median of 2.3.
By region, the top 10 is made up of 4 from Europe, 3 from the Americas, 2 from Oceania and 1 from Asia.
Source: World Bank Open Data — Wittgenstein Projection: Mean years of schooling. Age 0-19. Male, 2025. Unit: indicator value.
Source: World Bank Open Data — Wittgenstein Projection: Mean years of schooling. Age 0-19. Male · CC BY 4.0 · fetched Oct 17, 2026