Chad vs Guinea: Average years of schooling among adults
Chad
2.33 years
in 2023
Guinea
2.49 years
in 2023
Chad rank
189th
Guinea rank
187th
Average years of schooling among adults over time
- Chad
- Guinea
How they compare
Guinea currently reports 2.49 years against 2.33 years in Chad, a difference of 0.16 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.
Across the 3 decades both report, Chad averaged higher in 1 and Guinea in 2.
Head to head by decade
| Decade | Chad | Guinea | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 1.51 years | 1.51 years | 0.0087 years | Chad |
| 2010s | 2.02 years | 2.11 years | 0.0861 years | Guinea |
| 2020s | 2.32 years | 2.46 years | 0.133 years | Guinea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average years of schooling among adults, Chad or Guinea?
- Guinea, at 2.49 years against 2.33 years in Chad as of 2023.
- What is the difference in average years of schooling among adults between Chad and Guinea?
- 0.16 years, with Guinea ahead.
- How many years of comparable data are there for Chad and Guinea?
- 24 years are reported by both, from 2000 to 2023.
- How do Chad and Guinea rank globally for average years of schooling among adults?
- Chad ranks 189th and Guinea ranks 187th of 192 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as Average years of schooling among adults. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average number of years (excluding years spent repeating individual grades) adults over 25 years participated in formal education.