El Salvador vs Sudan: Theoretical duration of secondary education
El Salvador
6 years
in 2025
Sudan
6 years
in 2025
El Salvador rank
96th
Sudan rank
96th
Theoretical duration of secondary education over time
- El Salvador
- Sudan
How they compare
El Salvador currently reports 6 years against 6 years in Sudan, a difference of 0 years.
The two have swapped places 1 time across 28 shared years of data; in 1998 it was El Salvador ahead.
El Salvador ranks 96th and Sudan ranks 96th of 215 countries.
El Salvador has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | El Salvador | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 6 years | 5 years | 1 years | El Salvador |
| 2000s | 6 years | 5 years | 1 years | El Salvador |
| 2010s | 6 years | 5 years | 1 years | El Salvador |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, El Salvador or Sudan?
- El Salvador, at 6 years against 6 years in Sudan as of 2025.
- What is the difference in theoretical duration of secondary education between El Salvador and Sudan?
- 0 years, with El Salvador ahead.
- How many years of comparable data are there for El Salvador and Sudan?
- 28 years are reported by both, from 1998 to 2025.
- How do El Salvador and Sudan rank globally for theoretical duration of secondary education?
- El Salvador ranks 96th and Sudan ranks 96th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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