School life expectancy, secondary, adjusted gender parity index in Tonga
Tonga: School life expectancy, secondary, adjusted gender parity index was 1.08 GPIA in 2024. β² Rising
School life expectancy, secondary, adjusted gender parity index in Tonga, 1970β2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
In 2024, school life expectancy, secondary, adjusted gender parity index in Tonga stood at 1.08 GPIA.
That represents a change of down 4.4% on the previous year and down 3.6% over ten years.
Over the whole period, school life expectancy, secondary, adjusted gender parity index in Tonga peaked at 1.24 GPIA in 2009 and was at its lowest, 0.7392 GPIA, in 2007.
Tonga ranks 43rd of 207 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 36 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.9776 GPIA | 0.9246 GPIA | 1.02 GPIA | 7 |
| 1980s | 1.03 GPIA | 0.9493 GPIA | 1.09 GPIA | 5 |
| 1990s | 1.03 GPIA | 0.9787 GPIA | 1.09 GPIA | 5 |
| 2000s | 1.03 GPIA | 0.7392 GPIA | 1.24 GPIA | 7 |
| 2010s | 1.07 GPIA | 0.9891 GPIA | 1.12 GPIA | 7 |
| 2020s | 1.09 GPIA | 1.01 GPIA | 1.13 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)
- School enrollment, primary 108.8% (2024)
- Primary education, teachers, per capita 0.0079 units per person (2024)
Frequently asked questions
- What is school life expectancy, secondary, adjusted gender parity index in Tonga?
- School life expectancy, secondary, adjusted gender parity index in Tonga was 1.08 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, secondary, adjusted gender parity index recorded in Tonga?
- The highest recorded value was 1.24 GPIA in 2009.
- What is the lowest school life expectancy, secondary, adjusted gender parity index recorded in Tonga?
- The lowest recorded value was 0.7392 GPIA in 2007.
- How does Tonga rank for school life expectancy, secondary, adjusted gender parity index?
- Tonga ranks 43rd out of 207 countries with data for 2024.
- Is school life expectancy, secondary, adjusted gender parity index rising or falling in Tonga?
- Over the last ten years it is down 3.6%. 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, secondary, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 36 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release