Angola vs Iran, Islamic Republic of: Theoretical duration of lower secondary education
Angola
3 years
in 2025
Iran, Islamic Republic of
3 years
in 2025
Angola rank
88th
Iran, Islamic Republic of rank
88th
Theoretical duration of lower secondary education over time
- Angola
- Iran, Islamic Republic of
How they compare
Angola currently reports 3 years against 3 years in Iran, Islamic Republic of, a difference of 0 years.
The two have swapped places 3 times across 56 shared years of data; in 1970 it was Angola ahead.
Angola ranks 88th and Iran, Islamic Republic of ranks 88th of 215 countries.
Angola has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Angola | Iran, Islamic Republic of | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4 years | 3 years | 1 years | Angola |
| 1980s | 4 years | 3 years | 1 years | Angola |
| 1990s | 4 years | 3 years | 1 years | Angola |
| 2000s | 3.7 years | 3 years | 0.7 years | Angola |
| 2010s | 3 years | 2.7 years | 0.3 years | Angola |
| 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 lower secondary education, Angola or Iran, Islamic Republic of?
- Angola, at 3 years against 3 years in Iran, Islamic Republic of as of 2025.
- What is the difference in theoretical duration of lower secondary education between Angola and Iran, Islamic Republic of?
- 0 years, with Angola ahead.
- How many years of comparable data are there for Angola and Iran, Islamic Republic of?
- 56 years are reported by both, from 1970 to 2025.
- How do Angola and Iran, Islamic Republic of rank globally for theoretical duration of lower secondary education?
- Angola ranks 88th and Iran, Islamic Republic of ranks 88th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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