Iran vs Saint Helena: Theoretical duration of lower secondary education (years)
Iran
3 years
in 2025
Saint Helena
3 years
in 2025
Iran rank
91st
Saint Helena rank
91st
Theoretical duration of lower secondary education (years) over time
- Iran
- Saint Helena
How they compare
Iran currently reports 3 years against 3 years in Saint Helena, a difference of 0 years.
Across all 20 years both countries report, Saint Helena has been ahead every year.
Iran ranks 91st and Saint Helena ranks 91st of 221 countries.
Saint Helena has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Iran | Saint Helena | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 3 years | 4 years | 1 years | Saint Helena |
| 1990s | 3 years | 3.8 years | 0.8 years | Saint Helena |
| 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 lower secondary education, Iran or Saint Helena?
- Iran, at 3 years against 3 years in Saint Helena as of 2025.
- What is the difference in theoretical duration of lower secondary education between Iran and Saint Helena?
- 0 years, with Iran ahead.
- How many years of comparable data are there for Iran and Saint Helena?
- 20 years are reported by both, from 1989 to 2025.
- How do Iran and Saint Helena rank globally for theoretical duration of lower secondary education?
- Iran ranks 91st and Saint Helena ranks 91st of 221 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