Iceland vs Tonga: School life expectancy, primary to tertiary, both sexes
Iceland
18.13 years
in 2023
Tonga
18.18 years
in 2023
Iceland rank
16th
Tonga rank
15th
School life expectancy, primary to tertiary, both sexes over time
- Iceland
- Tonga
How they compare
Tonga currently reports 18.18 years against 18.13 years in Iceland, a difference of 0.05 years.
The two have swapped places 1 time across 11 shared years of data; in 1978 it was Iceland ahead.
Iceland ranks 16th and Tonga ranks 15th of 186 countries.
Iceland has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Iceland | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 12.56 years | 11.98 years | 0.5857 years | Iceland |
| 1980s | 13.3 years | 12.92 years | 0.3815 years | Iceland |
| 1990s | 16.78 years | 13.26 years | 3.53 years | Iceland |
| 2000s | 17.47 years | 13.47 years | 4 years | Iceland |
| 2020s | 18.19 years | 17.86 years | 0.331 years | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, primary to tertiary, both sexes, Iceland or Tonga?
- Tonga, at 18.18 years against 18.13 years in Iceland as of 2023.
- What is the difference in school life expectancy, primary to tertiary, both sexes between Iceland and Tonga?
- 0.05 years, with Tonga ahead.
- How many years of comparable data are there for Iceland and Tonga?
- 11 years are reported by both, from 1978 to 2023.
- How do Iceland and Tonga rank globally for school life expectancy, primary to tertiary, both sexes?
- Iceland ranks 16th and Tonga ranks 15th of 186 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as School life expectancy, primary to tertiary, both sexes (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