Iran, Islamic Republic of vs Sudan: Theoretical duration of upper secondary education
Iran, Islamic Republic of
3 years
in 2025
Sudan
3 years
in 2025
Iran, Islamic Republic of rank
52nd
Sudan rank
52nd
Theoretical duration of upper secondary education over time
- Iran, Islamic Republic of
- Sudan
How they compare
Iran, Islamic Republic of currently reports 3 years against 3 years in Sudan, a difference of 0 years.
The two have swapped places 1 time across 28 shared years of data; in 1998 it was Iran, Islamic Republic of ahead.
Iran, Islamic Republic of ranks 52nd and Sudan ranks 52nd of 215 countries.
Iran, Islamic Republic of has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Iran, Islamic Republic of | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 4 years | 3 years | 1 years | Iran, Islamic Republic of |
| 2000s | 4 years | 3 years | 1 years | Iran, Islamic Republic of |
| 2010s | 3.6 years | 3 years | 0.6 years | Iran, Islamic Republic of |
| 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, Iran, Islamic Republic of or Sudan?
- Iran, Islamic Republic of, at 3 years against 3 years in Sudan as of 2025.
- What is the difference in theoretical duration of upper secondary education between Iran, Islamic Republic of and Sudan?
- 0 years, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Sudan?
- 28 years are reported by both, from 1998 to 2025.
- How do Iran, Islamic Republic of and Sudan rank globally for theoretical duration of upper secondary education?
- Iran, Islamic Republic of ranks 52nd and Sudan 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