School life expectancy, pre-primary, adjusted gender parity index in Tonga
Tonga: School life expectancy, pre-primary, adjusted gender parity index was 1.07 GPIA in 2024. βΌ Falling
School life expectancy, pre-primary, adjusted gender parity index in Tonga, 1975β2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
In 2024, school life expectancy, pre-primary, adjusted gender parity index in Tonga stood at 1.07 GPIA.
The figure is down 4.4% on the previous year and up 1.7% over ten years.
Over the whole period, school life expectancy, pre-primary, adjusted gender parity index in Tonga peaked at 1.36 GPIA in 1975 and was at its lowest, 1.01 GPIA, in 2018.
Tonga ranks 18th of 199 countries on this measure, in the top 10%.
The long-run direction has been consistently falling across the 14 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1.36 GPIA | 1.36 GPIA | 1.36 GPIA | 1 |
| 1990s | 1.14 GPIA | 1.11 GPIA | 1.17 GPIA | 2 |
| 2000s | 1.3 GPIA | 1.3 GPIA | 1.3 GPIA | 1 |
| 2010s | 1.04 GPIA | 1.01 GPIA | 1.07 GPIA | 5 |
| 2020s | 1.08 GPIA | 1.06 GPIA | 1.11 GPIA | 5 |
Countries ranked near Tonga
- 15 Guinea-Bissau 1.07 GPIA compare
- 16 Niger 1.07 GPIA compare
- 17 Samoa 1.07 GPIA compare
- 19 Trinidad and Tobago 1.07 GPIA compare
- 20 Marshall Islands 1.07 GPIA compare
- 21 Oman 1.06 GPIA compare
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, pre-primary, adjusted gender parity index in Tonga?
- School life expectancy, pre-primary, adjusted gender parity index in Tonga was 1.07 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, pre-primary, adjusted gender parity index recorded in Tonga?
- The highest recorded value was 1.36 GPIA in 1975.
- What is the lowest school life expectancy, pre-primary, adjusted gender parity index recorded in Tonga?
- The lowest recorded value was 1.01 GPIA in 2018.
- How does Tonga rank for school life expectancy, pre-primary, adjusted gender parity index?
- Tonga ranks 18th out of 199 countries with data for 2024.
- Is school life expectancy, pre-primary, adjusted gender parity index rising or falling in Tonga?
- Over the last ten years it is up 1.7%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, pre-primary, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 14 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release