School life expectancy, primary and lower secondary, adjusted gender in Tonga
Tonga: School life expectancy, primary and lower secondary, adjusted gender was 1.02 GPIA in 2024. ▬ Flat
School life expectancy, primary and lower secondary, adjusted gender in Tonga, 1998–2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
Tonga recorded 1.02 GPIA for school life expectancy, primary and lower secondary, adjusted gender in 2024.
That represents a change of down 1.5% on the previous year and down 3.6% over ten years.
Over the whole period, school life expectancy, primary and lower secondary, adjusted gender in Tonga peaked at 1.06 GPIA in 2014 and was at its lowest, 0.9792 GPIA, in 1999.
Tonga ranks 38th of 200 countries on this measure, in the top quarter.
School life expectancy, primary and lower secondary, adjusted gender in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 1998 | 0.9896 GPIA | — |
| 1999 | 0.9792 GPIA | -1.0% |
| 2001 | 1.01 GPIA | +3.4% |
| 2006 | 0.989 GPIA | -2.3% |
| 2012 | 1.05 GPIA | +5.7% |
| 2013 | 1.04 GPIA | -0.2% |
| 2014 | 1.06 GPIA | +1.5% |
| 2015 | 1.03 GPIA | -2.3% |
| 2018 | 1.04 GPIA | +0.7% |
| 2019 | 1.03 GPIA | -1.6% |
| 2020 | 1.04 GPIA | +1.4% |
| 2021 | 1.03 GPIA | -1.3% |
| 2022 | 1.01 GPIA | -1.8% |
| 2023 | 1.04 GPIA | +2.8% |
| 2024 | 1.02 GPIA | -1.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.9844 GPIA | 0.9792 GPIA | 0.9896 GPIA | 2 |
| 2000s | 1 GPIA | 0.989 GPIA | 1.01 GPIA | 2 |
| 2010s | 1.04 GPIA | 1.03 GPIA | 1.06 GPIA | 6 |
| 2020s | 1.03 GPIA | 1.01 GPIA | 1.04 GPIA | 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, adjusted gender in Tonga?
- School life expectancy, primary and lower secondary, adjusted gender in Tonga was 1.02 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, primary and lower secondary, adjusted gender recorded in Tonga?
- The highest recorded value was 1.06 GPIA in 2014.
- What is the lowest school life expectancy, primary and lower secondary, adjusted gender recorded in Tonga?
- The lowest recorded value was 0.9792 GPIA in 1999.
- How does Tonga rank for school life expectancy, primary and lower secondary, adjusted gender?
- Tonga ranks 38th out of 200 countries with data for 2024.
- Is school life expectancy, primary and lower secondary, adjusted gender rising or falling in Tonga?
- Over the last ten years it is down 3.6%. The long-run trend across the full record is flat.
- 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, adjusted gender parity index (GPIA). 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