Chad vs Guinea: Average years of schooling vs. expected years of schooling

Chad

2.33 years

in 2023

Guinea

2.49 years

in 2023

Chad rank

189th

Guinea rank

187th

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

Guinea currently reports 2.49 years against 2.33 years in Chad, a difference of 0.1514 years.

That makes Guinea's figure about 1.1 times Chad's.

The two have swapped places 4 times across 24 shared years of data; in 2000 it was Guinea ahead.

Chad ranks 189th and Guinea ranks 187th 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.