El Salvador vs Zambia: Theoretical duration of upper secondary education
El Salvador
3 years
in 2025
Zambia
3 years
in 2025
El Salvador rank
52nd
Zambia rank
52nd
Theoretical duration of upper secondary education over time
- El Salvador
- Zambia
How they compare
El Salvador currently reports 3 years against 3 years in Zambia, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Zambia ahead.
El Salvador ranks 52nd and Zambia ranks 52nd of 221 countries.
El Salvador has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | El Salvador | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2.7 years | 2 years | 0.7 years | El Salvador |
| 1980s | 3 years | 2.5 years | 0.5 years | El Salvador |
| 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, El Salvador or Zambia?
- El Salvador, at 3 years against 3 years in Zambia as of 2025.
- What is the difference in theoretical duration of upper secondary education between El Salvador and Zambia?
- 0 years, with El Salvador ahead.
- How many years of comparable data are there for El Salvador and Zambia?
- 56 years are reported by both, from 1970 to 2025.
- How do El Salvador and Zambia rank globally for theoretical duration of upper secondary education?
- El Salvador ranks 52nd and Zambia 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