Mongolia vs Nigeria: Theoretical duration of upper secondary education
Mongolia
3 years
in 2025
Nigeria
3 years
in 2025
Mongolia rank
52nd
Nigeria rank
52nd
Theoretical duration of upper secondary education over time
- Mongolia
- Nigeria
How they compare
Mongolia currently reports 3 years against 3 years in Nigeria, a difference of 0 years.
Across all 56 years both countries report, Nigeria has been ahead every year.
Mongolia ranks 52nd and Nigeria ranks 52nd of 215 countries.
Nigeria has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Mongolia | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2 years | 2 years | 0 years | — |
| 1980s | 2 years | 2.4 years | 0.4 years | Nigeria |
| 1990s | 2 years | 3 years | 1 years | Nigeria |
| 2000s | 2 years | 3 years | 1 years | Nigeria |
| 2010s | 2.9 years | 3 years | 0.1 years | Nigeria |
| 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, Mongolia or Nigeria?
- Mongolia, at 3 years against 3 years in Nigeria as of 2025.
- What is the difference in theoretical duration of upper secondary education between Mongolia and Nigeria?
- 0 years, with Mongolia ahead.
- How many years of comparable data are there for Mongolia and Nigeria?
- 56 years are reported by both, from 1970 to 2025.
- How do Mongolia and Nigeria rank globally for theoretical duration of upper secondary education?
- Mongolia ranks 52nd and Nigeria 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