School life expectancy, primary and lower secondary, both sexes in Tonga
Tonga: School life expectancy, primary and lower secondary, both sexes was 10.88 years in 2024. ▲ Rising
School life expectancy, primary and lower secondary, both sexes in Tonga, 1998–2024
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2024, school life expectancy, primary and lower secondary, both sexes in Tonga stood at 10.88 years.
Compared with earlier readings it is up 1.3% on the previous year and down 13.3% over ten years.
Over the whole period, school life expectancy, primary and lower secondary, both sexes in Tonga peaked at 12.71 years in 2015 and was at its lowest, 10.39 years, in 1998.
That places Tonga 16th out of 200 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 15 years of available data.
School life expectancy, primary and lower secondary, both sexes in Tonga, year by year
| Year | years | Change |
|---|---|---|
| 1998 | 10.39 years | — |
| 1999 | 10.9 years | +5.0% |
| 2001 | 10.81 years | -0.9% |
| 2006 | 10.8 years | -0.0% |
| 2012 | 12.56 years | +16.3% |
| 2013 | 12.4 years | -1.3% |
| 2014 | 12.55 years | +1.2% |
| 2015 | 12.71 years | +1.3% |
| 2018 | 12.21 years | -4.0% |
| 2019 | 12.15 years | -0.4% |
| 2020 | 11.76 years | -3.3% |
| 2021 | 12.07 years | +2.7% |
| 2022 | 10.95 years | -9.3% |
| 2023 | 10.74 years | -1.9% |
| 2024 | 10.88 years | +1.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 10.65 years | 10.39 years | 10.9 years | 2 |
| 2000s | 10.81 years | 10.8 years | 10.81 years | 2 |
| 2010s | 12.43 years | 12.15 years | 12.71 years | 6 |
| 2020s | 11.28 years | 10.74 years | 12.07 years | 5 |
Countries ranked near Tonga
More education data for Tonga
- Primary education, teachers, gaps filled 818 (2024)
- Duration of pre primary education, annual growth rate 0 % change on previous year (2025)
- 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)
- Primary secondary enrollment completion rates, gaps filled 108.79 (2024)
- School enrollment, primary 108.8% (2024)
Frequently asked questions
- What is school life expectancy, primary and lower secondary, both sexes in Tonga?
- School life expectancy, primary and lower secondary, both sexes in Tonga was 10.88 years in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, primary and lower secondary, both sexes recorded in Tonga?
- The highest recorded value was 12.71 years in 2015.
- What is the lowest school life expectancy, primary and lower secondary, both sexes recorded in Tonga?
- The lowest recorded value was 10.39 years in 1998.
- How does Tonga rank for school life expectancy, primary and lower secondary, both sexes?
- Tonga ranks 16th out of 200 countries with data for 2024.
- Is school life expectancy, primary and lower secondary, both sexes rising or falling in Tonga?
- Over the last ten years it is down 13.3%. 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, primary and lower secondary, both sexes (years). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 15 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release