Cook Islands vs Turkey: Theoretical duration of lower secondary education (years)
Cook Islands
4 years
in 2025
Turkey
4 years
in 2025
Cook Islands rank
18th
Turkey rank
18th
Theoretical duration of lower secondary education (years) over time
- Cook Islands
- Turkey
How they compare
Cook Islands currently reports 4 years against 4 years in Turkey, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Turkey ahead.
Cook Islands ranks 18th and Turkey ranks 18th of 221 countries.
Cook Islands has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Cook Islands | Turkey | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 0 years | — |
| 1980s | 3 years | 3 years | 0 years | — |
| 1990s | 3.2 years | 3 years | 0.2 years | Cook Islands |
| 2000s | 4 years | 3 years | 1 years | Cook Islands |
| 2010s | 4 years | 3.7 years | 0.3 years | Cook Islands |
| 2020s | 4 years | 4 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of lower secondary education, Cook Islands or Turkey?
- Cook Islands, at 4 years against 4 years in Turkey as of 2025.
- What is the difference in theoretical duration of lower secondary education between Cook Islands and Turkey?
- 0 years, with Cook Islands ahead.
- How many years of comparable data are there for Cook Islands and Turkey?
- 56 years are reported by both, from 1970 to 2025.
- How do Cook Islands and Turkey rank globally for theoretical duration of lower secondary education?
- Cook Islands ranks 18th and Turkey ranks 18th of 221 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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