Cook Islands vs Oman: Theoretical duration of secondary education
Cook Islands
7 years
in 2025
Oman
8 years
in 2025
Cook Islands rank
1st
Oman rank
3rd
Theoretical duration of secondary education over time
- Cook Islands
- Oman
How they compare
Oman currently reports 8 years against 7 years in Cook Islands, a difference of 1 years.
That makes Oman's figure about 1.1 times Cook Islands's.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Oman ahead.
Cook Islands ranks 1st and Oman ranks 3rd of 6 countries.
Across the 6 decades both report, Cook Islands averaged higher in 3 and Oman in 1.
Head to head by decade
| Decade | Cook Islands | Oman | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 6 years | 0 years | — |
| 1980s | 6 years | 6 years | 0 years | — |
| 1990s | 6.4 years | 6 years | 0.4 years | Cook Islands |
| 2000s | 7 years | 6 years | 1 years | Cook Islands |
| 2010s | 7 years | 6.4 years | 0.6 years | Cook Islands |
| 2020s | 7 years | 8 years | 1 years | Oman |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Cook Islands or Oman?
- Oman, at 8 years against 7 years in Cook Islands as of 2025.
- What is the difference in theoretical duration of secondary education between Cook Islands and Oman?
- 1 years, with Oman ahead.
- How many years of comparable data are there for Cook Islands and Oman?
- 56 years are reported by both, from 1970 to 2025.
- How do Cook Islands and Oman rank globally for theoretical duration of secondary education?
- Cook Islands ranks 1st and Oman ranks 3rd of 6 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