Bulgaria vs Oman: Theoretical duration of secondary education
Bulgaria
8 years
in 2025
Oman
8 years
in 2025
Bulgaria rank
3rd
Oman rank
3rd
Theoretical duration of secondary education over time
- Bulgaria
- Oman
How they compare
Bulgaria currently reports 8 years against 8 years in Oman, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Bulgaria ahead.
Bulgaria ranks 3rd and Oman ranks 3rd of 215 countries.
Bulgaria has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Bulgaria | Oman | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 6 years | 1 years | Bulgaria |
| 1980s | 7 years | 6 years | 1 years | Bulgaria |
| 1990s | 7.1 years | 6 years | 1.1 years | Bulgaria |
| 2000s | 8 years | 6 years | 2 years | Bulgaria |
| 2010s | 8 years | 6.4 years | 1.6 years | Bulgaria |
| 2020s | 8 years | 8 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Bulgaria or Oman?
- Bulgaria, at 8 years against 8 years in Oman as of 2025.
- What is the difference in theoretical duration of secondary education between Bulgaria and Oman?
- 0 years, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Oman?
- 56 years are reported by both, from 1970 to 2025.
- How do Bulgaria and Oman rank globally for theoretical duration of secondary education?
- Bulgaria ranks 3rd and Oman ranks 3rd of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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