School life expectancy, primary … tertiary adjusted GPIA gender in Tonga
Tonga: School life expectancy, primary … tertiary adjusted GPIA gender was 1.22 GPIA in 2023. ▲ Rising
School life expectancy, primary to tertiary, adjusted gender parity in Tonga, 1970–2023
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
The most recent figure for school life expectancy, primary to tertiary, adjusted gender parity in Tonga is 1.22 GPIA, measured in 2023. That is the highest value across all 9 years on record.
That represents a change of up 8.1% on the previous year and up 8.1% over five years.
Over the whole period, school life expectancy, primary to tertiary, adjusted gender parity in Tonga peaked at 1.22 GPIA in 2023 and was at its lowest, 0.9537 GPIA, in 1981.
That places Tonga 1st out of 179 countries with data for 2023, putting it in the top 10%.
School life expectancy, primary … tertiary adjusted GPIA gender in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 1970 | 0.965 GPIA | — |
| 1978 | 0.9932 GPIA | +2.9% |
| 1981 | 0.9537 GPIA | -4.0% |
| 1984 | 1.03 GPIA | +7.9% |
| 1985 | 1.05 GPIA | +2.0% |
| 1999 | 1.02 GPIA | -2.7% |
| 2002 | 1.04 GPIA | +2.2% |
| 2020 | 1.13 GPIA | +8.3% |
| 2023 | 1.22 GPIA | +8.1% |
Tonga compared with similar countries
- Tonga's 1.22 GPIA is above the median for upper middle income countries, which is 1.06 GPIA, 1.1× the median. (52 countries reporting)
- Tonga's 1.22 GPIA is above the median for East Asia & Pacific, which is 1.03 GPIA, 1.2× the median. (23 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.9791 GPIA | 0.965 GPIA | 0.9932 GPIA | 2 |
| 1980s | 1.01 GPIA | 0.9537 GPIA | 1.05 GPIA | 3 |
| 1990s | 1.02 GPIA | 1.02 GPIA | 1.02 GPIA | 1 |
| 2000s | 1.04 GPIA | 1.04 GPIA | 1.04 GPIA | 1 |
| 2020s | 1.18 GPIA | 1.13 GPIA | 1.22 GPIA | 2 |
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 to tertiary, adjusted gender parity in Tonga?
- School life expectancy, primary to tertiary, adjusted gender parity in Tonga was 1.22 GPIA in 2023, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, primary to tertiary, adjusted gender parity recorded in Tonga?
- The highest recorded value was 1.22 GPIA in 2023.
- What is the lowest school life expectancy, primary to tertiary, adjusted gender parity recorded in Tonga?
- The lowest recorded value was 0.9537 GPIA in 1981.
- How does Tonga rank for school life expectancy, primary to tertiary, adjusted gender parity?
- Tonga ranks 1st out of 179 countries with data for 2023.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, primary to tertiary, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 9 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release