Chad vs Sudan: Theoretical duration of upper secondary education
Chad
3 years
in 2025
Sudan
3 years
in 2025
Chad rank
52nd
Sudan rank
52nd
Theoretical duration of upper secondary education over time
- Chad
- Sudan
How they compare
Chad currently reports 3 years against 3 years in Sudan, a difference of 0 years.
Across all 28 years both countries report, Sudan has been ahead every year.
Chad ranks 52nd and Sudan ranks 52nd of 215 countries.
Head to head by decade
| Decade | Chad | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3 years | 3 years | 0 years | — |
| 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 Sudan?
- Chad, at 3 years against 3 years in Sudan as of 2025.
- What is the difference in theoretical duration of upper secondary education between Chad and Sudan?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and Sudan?
- 28 years are reported by both, from 1998 to 2025.
- How do Chad and Sudan rank globally for theoretical duration of upper secondary education?
- Chad ranks 52nd and Sudan 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