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Expected years of school is calculated as the sum of age-specific enrollment rates between ages 4 and 17. Age-specific enrollment rates are approximated using school enrollment rates at different levels: pre-primary enrollment rates approximate the age-specific enrolment rates for 4 and 5 year-olds; the primary rate approximates for 6-11 year-olds; the lower-secondary rate approximates for 12-14 year-olds; and the upper-secondary approximates for 15-17 year-olds. Most recent estimates are used. Year of most recent primary enrollment rate used is shown in data notes.
As of 2020, Portugal ranks first with 14.0, followed by Sweden (14.0) and Singapore (13.9).
The top two are virtually level: Portugal and Sweden differ by less than 1%.
Across 166 countries and territories, values run from 14.0 (Portugal) to 4.1 (Liberia), with a median of 11.9.
By region, the top 10 is made up of 9 from Europe and 1 from Asia.
Source: World Bank Open Data โ Expected Years of School, Male, 2020. Unit: indicator value.
Source: World Bank Open Data โ Expected Years of School, Male ยท CC BY 4.0 ยท fetched Oct 17, 2026