Oman vs Slovakia: Theoretical duration of secondary education
Oman
8 years
in 2025
Slovakia
9 years
in 2025
Oman rank
3rd
Slovakia rank
1st
Theoretical duration of secondary education over time
- Oman
- Slovakia
How they compare
Slovakia currently reports 9 years against 8 years in Oman, a difference of 1 years.
That makes Slovakia's figure about 1.1 times Oman's.
Across all 56 years both countries report, Slovakia has been ahead every year.
Oman ranks 3rd and Slovakia ranks 1st of 215 countries.
Slovakia has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Oman | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 8 years | 2 years | Slovakia |
| 1980s | 6 years | 8 years | 2 years | Slovakia |
| 1990s | 6 years | 8.2 years | 2.2 years | Slovakia |
| 2000s | 6 years | 9 years | 3 years | Slovakia |
| 2010s | 6.4 years | 9 years | 2.6 years | Slovakia |
| 2020s | 8 years | 9 years | 1 years | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Oman or Slovakia?
- Slovakia, at 9 years against 8 years in Oman as of 2025.
- What is the difference in theoretical duration of secondary education between Oman and Slovakia?
- 1 years, with Slovakia ahead.
- How many years of comparable data are there for Oman and Slovakia?
- 56 years are reported by both, from 1970 to 2025.
- How do Oman and Slovakia rank globally for theoretical duration of secondary education?
- Oman ranks 3rd and Slovakia ranks 1st 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