School life expectancy, primary, adjusted gender parity index in Tonga
Tonga: School life expectancy, primary, adjusted gender parity index was 1.04 GPIA in 2024. ▲ Rising
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 14th out of 209 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.
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
- 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)
- School enrollment, primary 108.8% (2024)
- Primary education, teachers 818 (2024)
- Fertility rate vs mean years of schooling 3.1 (2024)
- School enrollment, primary, female 110.7% (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 14th out of 209 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