Namibia vs Oman: Theoretical duration of upper secondary education
Namibia
2 years
in 2025
Oman
2 years
in 2025
Namibia rank
164th
Oman rank
164th
Theoretical duration of upper secondary education over time
- Namibia
- Oman
How they compare
Namibia currently reports 2 years against 2 years in Oman, a difference of 0 years.
Across all 56 years both countries report, Oman has been ahead every year.
Namibia ranks 164th and Oman ranks 164th of 215 countries.
Oman has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Namibia | Oman | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2 years | 3 years | 1 years | Oman |
| 1980s | 2 years | 3 years | 1 years | Oman |
| 1990s | 2 years | 3 years | 1 years | Oman |
| 2000s | 2 years | 3 years | 1 years | Oman |
| 2010s | 2 years | 2.8 years | 0.8 years | Oman |
| 2020s | 2 years | 2 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education, Namibia or Oman?
- Namibia, at 2 years against 2 years in Oman as of 2025.
- What is the difference in theoretical duration of upper secondary education between Namibia and Oman?
- 0 years, with Namibia ahead.
- How many years of comparable data are there for Namibia and Oman?
- 56 years are reported by both, from 1970 to 2025.
- How do Namibia and Oman rank globally for theoretical duration of upper secondary education?
- Namibia ranks 164th and Oman ranks 164th 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