Guinea-Bissau vs Sudan: Average years of schooling vs. expected years of schooling

Guinea-Bissau

3.67 years

in 2023

Sudan

3.96 years

in 2023

Guinea-Bissau rank

181st

Sudan rank

179th

Average years of schooling vs. expected years of schooling over time

Sudan currently reports 3.96 years against 3.67 years in Guinea-Bissau, a difference of 0.289 years.

That makes Sudan's figure about 1.1 times Guinea-Bissau's.

Across all 19 years both countries report, Sudan has been ahead every year.

Guinea-Bissau ranks 181st and Sudan ranks 179th of 192 countries.

Indicator: Average years of schooling vs. expected years of schooling
Unit: years
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 192 places, 6,079 data points, 1990–2023
Last refreshed: 07 August 2026

Average number of years (excluding years spent repeating individual grades) adults over 25 years participated in formal education.