School life expectancy, primary and secondary, adjusted gender parity in Tonga
Tonga: School life expectancy, primary and secondary, adjusted gender parity was 1.06 GPIA in 2024. ▲ Rising
School life expectancy, primary and secondary, adjusted gender parity in Tonga, 1970–2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
Tonga recorded 1.06 GPIA for school life expectancy, primary and secondary, adjusted gender parity in 2024.
Compared with earlier readings it is down 2.3% on the previous year and down 1.4% over ten years.
Over the whole period, school life expectancy, primary and secondary, adjusted gender parity in Tonga peaked at 1.13 GPIA in 2009 and was at its lowest, 0.8553 GPIA, in 2007.
That places Tonga 21st out of 208 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 36 years of available data.
School life expectancy, primary and secondary, adjusted gender parity in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 1970 | 0.965 GPIA | — |
| 1971 | 0.9642 GPIA | -0.1% |
| 1972 | 0.951 GPIA | -1.4% |
| 1973 | 0.9585 GPIA | +0.8% |
| 1974 | 0.9646 GPIA | +0.6% |
| 1975 | 0.9715 GPIA | +0.7% |
| 1978 | 0.9947 GPIA | +2.4% |
| 1981 | 0.9589 GPIA | -3.6% |
| 1982 | 0.9691 GPIA | +1.1% |
| 1984 | 1.02 GPIA | +5.5% |
| 1985 | 1.04 GPIA | +2.1% |
| 1986 | 1.02 GPIA | -2.5% |
| 1990 | 0.9878 GPIA | -2.9% |
| 1991 | 1.01 GPIA | +1.7% |
| 1993 | 0.976 GPIA | -2.9% |
| 1998 | 1.02 GPIA | +4.3% |
| 1999 | 1.01 GPIA | -0.9% |
| 2000 | 1.01 GPIA | +0.4% |
| 2001 | 1.02 GPIA | +0.5% |
| 2002 | 1.03 GPIA | +1.2% |
| 2006 | 1 GPIA | -2.4% |
| 2007 | 0.8553 GPIA | -14.9% |
| 2008 | 1.03 GPIA | +20.1% |
| 2009 | 1.13 GPIA | +10.2% |
| 2010 | 1.05 GPIA | -7.6% |
| 2011 | 1 GPIA | -4.2% |
| 2012 | 1.05 GPIA | +4.3% |
| 2013 | 1.05 GPIA | +0.0% |
| 2014 | 1.07 GPIA | +2.5% |
| 2015 | 1.05 GPIA | -1.8% |
| 2019 | 1.04 GPIA | -1.1% |
| 2020 | 1.05 GPIA | +0.8% |
| 2021 | 0.9999 GPIA | -4.7% |
| 2022 | 1.06 GPIA | +5.9% |
| 2023 | 1.08 GPIA | +2.0% |
| 2024 | 1.06 GPIA | -2.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.967 GPIA | 0.951 GPIA | 0.9947 GPIA | 7 |
| 1980s | 1 GPIA | 0.9589 GPIA | 1.04 GPIA | 5 |
| 1990s | 0.9992 GPIA | 0.976 GPIA | 1.02 GPIA | 5 |
| 2000s | 1.01 GPIA | 0.8553 GPIA | 1.13 GPIA | 7 |
| 2010s | 1.04 GPIA | 1 GPIA | 1.07 GPIA | 7 |
| 2020s | 1.05 GPIA | 0.9999 GPIA | 1.08 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 secondary, adjusted gender parity in Tonga?
- School life expectancy, primary and secondary, adjusted gender parity in Tonga was 1.06 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, primary and secondary, adjusted gender parity recorded in Tonga?
- The highest recorded value was 1.13 GPIA in 2009.
- What is the lowest school life expectancy, primary and secondary, adjusted gender parity recorded in Tonga?
- The lowest recorded value was 0.8553 GPIA in 2007.
- How does Tonga rank for school life expectancy, primary and secondary, adjusted gender parity?
- Tonga ranks 21st out of 208 countries with data for 2024.
- Is school life expectancy, primary and secondary, adjusted gender parity rising or falling in Tonga?
- Over the last ten years it is down 1.4%. 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 secondary, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 36 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release