Tonga vs WB: High Income (july 2025): School life expectancy, primary to tertiary, both sexes
Tonga
18.18 years
in 2023
WB: High Income (july 2025)
16.39 years
in 2024
Tonga rank
15th
WB: High Income (july 2025) rank
14th
School life expectancy, primary to tertiary, both sexes over time
- Tonga
- WB: High Income (july 2025)
How they compare
Tonga currently reports 18.18 years against 16.39 years in WB: High Income (july 2025), a difference of 1.79 years.
That makes Tonga's figure about 1.1 times WB: High Income (july 2025)'s.
The two have swapped places 1 time across 7 shared years of data; in 1999 it was WB: High Income (july 2025) ahead.
Tonga ranks 15th and WB: High Income (july 2025) ranks 14th of 186 countries.
Across the 3 decades both report, Tonga averaged higher in 1 and WB: High Income (july 2025) in 2.
Head to head by decade
| Decade | Tonga | WB: High Income (july 2025) | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 13.26 years | 15.21 years | 1.96 years | WB: High Income (july 2025) |
| 2000s | 13.47 years | 15.41 years | 1.94 years | WB: High Income (july 2025) |
| 2020s | 17.86 years | 16.36 years | 1.5 years | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, primary to tertiary, both sexes, Tonga or WB: High Income (july 2025)?
- Tonga, at 18.18 years against 16.39 years in WB: High Income (july 2025) as of 2023.
- What is the difference in school life expectancy, primary to tertiary, both sexes between Tonga and WB: High Income (july 2025)?
- 1.79 years, with Tonga ahead.
- How many years of comparable data are there for Tonga and WB: High Income (july 2025)?
- 7 years are reported by both, from 1999 to 2023.
- How do Tonga and WB: High Income (july 2025) rank globally for school life expectancy, primary to tertiary, both sexes?
- Tonga ranks 15th and WB: High Income (july 2025) ranks 14th 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