Cook Islands vs Slovenia: Theoretical duration of secondary education (years)
Cook Islands
7 years
in 2025
Slovenia
7 years
in 2025
Cook Islands rank
26th
Slovenia rank
26th
Theoretical duration of secondary education (years) over time
- Cook Islands
- Slovenia
How they compare
Cook Islands currently reports 7 years against 7 years in Slovenia, a difference of 0 years.
Across all 56 years both countries report, Slovenia has been ahead every year.
Cook Islands ranks 26th and Slovenia ranks 26th of 221 countries.
Slovenia has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Cook Islands | Slovenia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 8 years | 2 years | Slovenia |
| 1980s | 6 years | 8 years | 2 years | Slovenia |
| 1990s | 6.4 years | 8 years | 1.6 years | Slovenia |
| 2000s | 7 years | 7.7 years | 0.7 years | Slovenia |
| 2010s | 7 years | 7 years | 0 years | — |
| 2020s | 7 years | 7 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Cook Islands or Slovenia?
- Cook Islands, at 7 years against 7 years in Slovenia as of 2025.
- What is the difference in theoretical duration of secondary education between Cook Islands and Slovenia?
- 0 years, with Cook Islands ahead.
- How many years of comparable data are there for Cook Islands and Slovenia?
- 56 years are reported by both, from 1970 to 2025.
- How do Cook Islands and Slovenia rank globally for theoretical duration of secondary education?
- Cook Islands ranks 26th and Slovenia ranks 26th of 221 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