Afghanistan vs El Salvador: Theoretical duration of upper secondary education
Afghanistan
3 years
in 2025
El Salvador
3 years
in 2025
Afghanistan rank
52nd
El Salvador rank
52nd
Theoretical duration of upper secondary education over time
- Afghanistan
- El Salvador
How they compare
Afghanistan currently reports 3 years against 3 years in El Salvador, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Afghanistan ahead.
Afghanistan ranks 52nd and El Salvador ranks 52nd of 221 countries.
Afghanistan has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Afghanistan | El Salvador | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2.7 years | 0.3 years | Afghanistan |
| 1980s | 3 years | 3 years | 0 years | — |
| 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, Afghanistan or El Salvador?
- Afghanistan, at 3 years against 3 years in El Salvador as of 2025.
- What is the difference in theoretical duration of upper secondary education between Afghanistan and El Salvador?
- 0 years, with Afghanistan ahead.
- How many years of comparable data are there for Afghanistan and El Salvador?
- 56 years are reported by both, from 1970 to 2025.
- How do Afghanistan and El Salvador rank globally for theoretical duration of upper secondary education?
- Afghanistan ranks 52nd and El Salvador ranks 52nd of 221 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