Chad vs North Korea: Theoretical duration of upper secondary education (years)
Chad
3 years
in 2025
North Korea
3 years
in 2025
Chad rank
52nd
North Korea rank
52nd
Theoretical duration of upper secondary education (years) over time
- Chad
- North Korea
How they compare
Chad currently reports 3 years against 3 years in North Korea, a difference of 0 years.
Across all 56 years both countries report, North Korea has been ahead every year.
Chad ranks 52nd and North Korea ranks 52nd of 221 countries.
Head to head by decade
| Decade | Chad | North Korea | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 0 years | — |
| 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, Chad or North Korea?
- Chad, at 3 years against 3 years in North Korea as of 2025.
- What is the difference in theoretical duration of upper secondary education between Chad and North Korea?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and North Korea?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and North Korea rank globally for theoretical duration of upper secondary education?
- Chad ranks 52nd and North Korea 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