Iran vs Solomon Islands: Theoretical duration of lower secondary education (years)
Iran
3 years
in 2025
Solomon Islands
3 years
in 2025
Iran rank
91st
Solomon Islands rank
91st
Theoretical duration of lower secondary education (years) over time
- Iran
- Solomon Islands
How they compare
Iran currently reports 3 years against 3 years in Solomon Islands, a difference of 0 years.
Across all 56 years both countries report, Solomon Islands has been ahead every year.
Iran ranks 91st and Solomon Islands ranks 91st of 221 countries.
Solomon Islands has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Iran | Solomon Islands | 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 | 2.7 years | 3 years | 0.3 years | Solomon Islands |
| 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 Solomon Islands?
- Iran, at 3 years against 3 years in Solomon Islands as of 2025.
- What is the difference in theoretical duration of lower secondary education between Iran and Solomon Islands?
- 0 years, with Iran ahead.
- How many years of comparable data are there for Iran and Solomon Islands?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran and Solomon Islands rank globally for theoretical duration of lower secondary education?
- Iran ranks 91st and Solomon Islands 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