Oman vs Saint Helena: Theoretical duration of lower secondary education
Oman
6 years
in 2025
Saint Helena
3 years
in 2025
Oman rank
1st
Saint Helena rank
4th
Theoretical duration of lower secondary education over time
- Oman
- Saint Helena
How they compare
Oman currently reports 6 years against 3 years in Saint Helena, a difference of 3 years.
That makes Oman's figure about 2.0 times Saint Helena's.
The two have swapped places 1 time across 20 shared years of data; in 1989 it was Saint Helena ahead.
Oman ranks 1st and Saint Helena ranks 4th of 215 countries.
Across the 4 decades both report, Oman averaged higher in 2 and Saint Helena in 2.
Head to head by decade
| Decade | Oman | 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 | 5 years | 3 years | 2 years | Oman |
| 2020s | 6 years | 3 years | 3 years | Oman |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of lower secondary education, Oman or Saint Helena?
- Oman, at 6 years against 3 years in Saint Helena as of 2025.
- What is the difference in theoretical duration of lower secondary education between Oman and Saint Helena?
- 3 years, with Oman ahead.
- How many years of comparable data are there for Oman and Saint Helena?
- 20 years are reported by both, from 1989 to 2025.
- How do Oman and Saint Helena rank globally for theoretical duration of lower secondary education?
- Oman ranks 1st and Saint Helena ranks 4th 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