Australia vs Cook Islands: Theoretical duration of lower secondary education (years)
Australia
4 years
in 2025
Cook Islands
4 years
in 2025
Australia rank
18th
Cook Islands rank
18th
Theoretical duration of lower secondary education (years) over time
- Australia
- Cook Islands
How they compare
Australia currently reports 4 years against 4 years in Cook Islands, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Cook Islands ahead.
Australia ranks 18th and Cook Islands ranks 18th of 221 countries.
Australia has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Australia | Cook Islands | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 0 years | — |
| 1980s | 3 years | 3 years | 0 years | — |
| 1990s | 3.7 years | 3.2 years | 0.5 years | Australia |
| 2000s | 4 years | 4 years | 0 years | — |
| 2010s | 4 years | 4 years | 0 years | — |
| 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, Australia or Cook Islands?
- Australia, at 4 years against 4 years in Cook Islands as of 2025.
- What is the difference in theoretical duration of lower secondary education between Australia and Cook Islands?
- 0 years, with Australia ahead.
- How many years of comparable data are there for Australia and Cook Islands?
- 56 years are reported by both, from 1970 to 2025.
- How do Australia and Cook Islands rank globally for theoretical duration of lower secondary education?
- Australia ranks 18th and Cook Islands 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