School life expectancy, secondary, both sexes in Tonga
Tonga: School life expectancy, secondary, both sexes was 6.45 years in 2024. β² Rising
School life expectancy, secondary, both sexes in Tonga, 1970β2024
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Tonga recorded 6.45 years for school life expectancy, secondary, both sexes in 2024.
Compared with earlier readings it is up 1.1% on the previous year and down 3.5% over ten years.
Over the whole period, school life expectancy, secondary, both sexes in Tonga peaked at 7.43 years in 2021 and was at its lowest, 4.97 years, in 1973.
Tonga ranks 67th of 208 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 39 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 5.08 years | 4.97 years | 5.22 years | 7 |
| 1980s | 6.18 years | 5.27 years | 6.57 years | 6 |
| 1990s | 6.38 years | 5.73 years | 7.06 years | 5 |
| 2000s | 6.14 years | 5.87 years | 6.57 years | 9 |
| 2010s | 6.64 years | 6.34 years | 7.08 years | 7 |
| 2020s | 6.64 years | 6.23 years | 7.43 years | 5 |
Countries ranked near Tonga
- 64 Vietnam 6.54 years compare
- 65 Estonia, Republic of 6.53 years compare
- 66 Romania 6.52 years compare
- 68 Gambia, The 6.42 years compare
- 69 Brunei Darussalam 6.4 years compare
- 70 Russian Federation 6.4 years compare
More education data for Tonga
- Duration of pre primary education 2 (2025)
- Official entrance age to pre primary education 4 (2025)
- Population ages 15-64 58.2% (2025)
- Population ages 0-14 34.9% (2025)
- Lower secondary school starting age 12 years (2025)
- Primary school starting age 6 years (2025)
- School enrollment, primary 108.8% (2024)
- Primary education, teachers 818 (2024)
- Fertility rate vs mean years of schooling 3.1 (2024)
- School enrollment, primary, female 110.7% (2024)
Frequently asked questions
- What is school life expectancy, secondary, both sexes in Tonga?
- School life expectancy, secondary, both sexes in Tonga was 6.45 years in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, secondary, both sexes recorded in Tonga?
- The highest recorded value was 7.43 years in 2021.
- What is the lowest school life expectancy, secondary, both sexes recorded in Tonga?
- The lowest recorded value was 4.97 years in 1973.
- How does Tonga rank for school life expectancy, secondary, both sexes?
- Tonga ranks 67th out of 208 countries with data for 2024.
- Is school life expectancy, secondary, both sexes rising or falling in Tonga?
- Over the last ten years it is down 3.5%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, secondary, both sexes (years). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 39 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release