Oman vs Tanzania: Theoretical duration of upper secondary education
Oman
2 years
in 2025
Tanzania
2 years
in 2025
Oman rank
164th
Tanzania rank
164th
Theoretical duration of upper secondary education over time
- Oman
- Tanzania
How they compare
Oman currently reports 2 years against 2 years in Tanzania, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Oman ahead.
Oman ranks 164th and Tanzania ranks 164th of 215 countries.
Oman has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Oman | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2 years | 1 years | Oman |
| 1980s | 3 years | 2 years | 1 years | Oman |
| 1990s | 3 years | 2 years | 1 years | Oman |
| 2000s | 3 years | 2 years | 1 years | Oman |
| 2010s | 2.8 years | 2 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, Oman or Tanzania?
- Oman, at 2 years against 2 years in Tanzania as of 2025.
- What is the difference in theoretical duration of upper secondary education between Oman and Tanzania?
- 0 years, with Oman ahead.
- How many years of comparable data are there for Oman and Tanzania?
- 56 years are reported by both, from 1970 to 2025.
- How do Oman and Tanzania rank globally for theoretical duration of upper secondary education?
- Oman ranks 164th and Tanzania 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