School life expectancy, primary, adjusted gender parity index (GPIA) in Tonga
Tonga: School life expectancy, primary, adjusted gender parity index (GPIA) was 1.04 GPIA in 2024. ▲ Rising
Latest (2024)
1.04 GPIA
Change on year
up 0.1%
World rank
16th
of 215 countries
All-time high
1.04 GPIA
in 2024
All-time low
0.9441 GPIA
in 1973
Years of data
49
1970–2024
School life expectancy, primary, adjusted gender parity index in Tonga, 1970–2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
The most recent figure for school life expectancy, primary, adjusted gender parity index in Tonga is 1.04 GPIA, measured in 2024. That is the highest value across all 49 years on record.
The figure is up 0.1% on the previous year and up 0.9% over ten years.
Over the whole period, school life expectancy, primary, adjusted gender parity index in Tonga peaked at 1.04 GPIA in 2024 and was at its lowest, 0.9441 GPIA, in 1973.
That places Tonga 16th out of 215 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 49 years of available data.
School life expectancy, primary, adjusted gender parity index (GPIA) in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 1970 | 0.9645 GPIA | — |
| 1971 | 0.9447 GPIA | -2.0% |
| 1972 | 0.9718 GPIA | +2.9% |
| 1973 | 0.9441 GPIA | -2.9% |
| 1974 | 0.9546 GPIA | +1.1% |
| 1975 | 0.9617 GPIA | +0.7% |
| 1976 | 0.9643 GPIA | +0.3% |
| 1977 | 0.9648 GPIA | +0.1% |
| 1978 | 0.9725 GPIA | +0.8% |
| 1979 | 0.9693 GPIA | -0.3% |
| 1981 | 0.9692 GPIA | -0.0% |
| 1982 | 0.9633 GPIA | -0.6% |
| 1983 | 0.9691 GPIA | +0.6% |
| 1984 | 0.9824 GPIA | +1.4% |
| 1985 | 0.9995 GPIA | +1.7% |
| 1986 | 0.9849 GPIA | -1.5% |
| 1990 | 0.9809 GPIA | -0.4% |
| 1991 | 0.9764 GPIA | -0.5% |
| 1992 | 0.9801 GPIA | +0.4% |
| 1993 | 0.9729 GPIA | -0.7% |
| 1994 | 0.9532 GPIA | -2.0% |
| 1995 | 0.9625 GPIA | +1.0% |
| 1996 | 0.9602 GPIA | -0.2% |
| 1997 | 0.9605 GPIA | +0.0% |
| 1998 | 0.9563 GPIA | -0.4% |
| 1999 | 0.965 GPIA | +0.9% |
| 2000 | 0.9791 GPIA | +1.5% |
| 2001 | 1 GPIA | +2.3% |
| 2002 | 0.9941 GPIA | -0.7% |
| 2003 | 0.983 GPIA | -1.1% |
| 2004 | 0.9889 GPIA | +0.6% |
| 2005 | 0.9923 GPIA | +0.3% |
| 2006 | 0.9891 GPIA | -0.3% |
| 2007 | 0.977 GPIA | -1.2% |
| 2008 | 0.9964 GPIA | +2.0% |
| 2009 | 1.02 GPIA | +2.4% |
| 2010 | 1.01 GPIA | -1.0% |
| 2011 | 1.02 GPIA | +0.6% |
| 2012 | 1.03 GPIA | +0.9% |
| 2013 | 1.04 GPIA | +1.0% |
| 2014 | 1.03 GPIA | -0.8% |
| 2015 | 1.02 GPIA | -1.0% |
| 2018 | 0.9831 GPIA | -3.3% |
| 2019 | 0.9708 GPIA | -1.2% |
| 2020 | 0.9716 GPIA | +0.1% |
| 2021 | 0.9885 GPIA | +1.7% |
| 2022 | 1.02 GPIA | +3.2% |
| 2023 | 1.04 GPIA | +1.5% |
| 2024 | 1.04 GPIA | +0.1% |
Tonga compared with similar countries
- Tonga's 1.04 GPIA is above the median for upper middle income countries, which is 0.9951 GPIA, 1.0× the median. (58 countries reporting)
- Tonga's 1.04 GPIA is above the median for East Asia & Pacific, which is 0.9953 GPIA, 1.0× the median. (34 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.9612 GPIA | 0.9441 GPIA | 0.9725 GPIA | 10 |
| 1980s | 0.9781 GPIA | 0.9633 GPIA | 0.9995 GPIA | 6 |
| 1990s | 0.9668 GPIA | 0.9532 GPIA | 0.9809 GPIA | 10 |
| 2000s | 0.9921 GPIA | 0.977 GPIA | 1.02 GPIA | 10 |
| 2010s | 1.01 GPIA | 0.9708 GPIA | 1.04 GPIA | 8 |
| 2020s | 1.01 GPIA | 0.9716 GPIA | 1.04 GPIA | 5 |
Countries ranked near Tonga
More education data for Tonga
- Teachers in secondary education, both sexes (number), gaps filled 1,086 (2015)
- Repeaters in primary education, all grades, both sexes (number), gaps 20 (2024)
- Enrolment in pre-primary education, male (number), gaps filled 1,228 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 1,164 (2024)
- Secondary education, pupils, gaps filled 16,132 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 15,644 (2024)
- Primary education, pupils, annual growth rate -2.92 % change on previous year (2024)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2024)
- Primary education, pupils, per capita 0.1502 units per person (2024)
Frequently asked questions
- What is school life expectancy, primary, adjusted gender parity index in Tonga?
- School life expectancy, primary, adjusted gender parity index in Tonga was 1.04 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, primary, adjusted gender parity index recorded in Tonga?
- The highest recorded value was 1.04 GPIA in 2024.
- What is the lowest school life expectancy, primary, adjusted gender parity index recorded in Tonga?
- The lowest recorded value was 0.9441 GPIA in 1973.
- How does Tonga rank for school life expectancy, primary, adjusted gender parity index?
- Tonga ranks 16th out of 215 countries with data for 2024.
- Is school life expectancy, primary, adjusted gender parity index rising or falling in Tonga?
- Over the last ten years it is up 0.9%. 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, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 49 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release