North Korea vs Nigeria: Theoretical duration of upper secondary education (years)
North Korea
3 years
in 2025
Nigeria
3 years
in 2025
North Korea rank
52nd
Nigeria rank
52nd
Theoretical duration of upper secondary education (years) over time
- North Korea
- Nigeria
How they compare
North Korea currently reports 3 years against 3 years in Nigeria, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was North Korea ahead.
North Korea ranks 52nd and Nigeria ranks 52nd of 221 countries.
North Korea has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | North Korea | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2 years | 1 years | North Korea |
| 1980s | 3 years | 2.4 years | 0.6 years | North Korea |
| 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, North Korea or Nigeria?
- North Korea, at 3 years against 3 years in Nigeria as of 2025.
- What is the difference in theoretical duration of upper secondary education between North Korea and Nigeria?
- 0 years, with North Korea ahead.
- How many years of comparable data are there for North Korea and Nigeria?
- 56 years are reported by both, from 1970 to 2025.
- How do North Korea and Nigeria rank globally for theoretical duration of upper secondary education?
- North Korea ranks 52nd and Nigeria 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