Chad vs Gambia: Theoretical duration of upper secondary education
Chad
3 years
in 2025
Gambia
3 years
in 2025
Chad rank
52nd
Gambia rank
52nd
Theoretical duration of upper secondary education over time
- Chad
- Gambia
How they compare
Chad currently reports 3 years against 3 years in Gambia, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Gambia ahead.
Chad ranks 52nd and Gambia ranks 52nd of 215 countries.
Chad has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Chad | Gambia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2.4 years | 0.6 years | Chad |
| 1980s | 3 years | 2 years | 1 years | Chad |
| 1990s | 3 years | 2.9 years | 0.1 years | Chad |
| 2000s | 3 years | 3 years | 0 years | — |
| 2010s | 3 years | 3 years | 0 years | — |
| 2020s | 3 years | 3 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education, Chad or Gambia?
- Chad, at 3 years against 3 years in Gambia as of 2025.
- What is the difference in theoretical duration of upper secondary education between Chad and Gambia?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and Gambia?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and Gambia rank globally for theoretical duration of upper secondary education?
- Chad ranks 52nd and Gambia ranks 52nd of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release