Educational attainment rate, completed lower secondary education or in Tonga
Tonga: Educational attainment rate, completed lower secondary education or was 1.01 GPIA in 2021. β² Rising
Educational attainment rate, completed lower secondary education or in Tonga, 1996β2021
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
The most recent figure for educational attainment rate, completed lower secondary education or in Tonga is 1.01 GPIA, measured in 2021.
Compared with earlier readings it is down 0.7% on the previous year and up 1.0% over ten years.
Over the whole period, educational attainment rate, completed lower secondary education or in Tonga peaked at 1.01 GPIA in 2018 and was at its lowest, 0.956 GPIA, in 1996.
Tonga ranks 15th of 94 countries on this measure, in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.956 GPIA | 0.956 GPIA | 0.956 GPIA | 1 |
| 2000s | 0.9669 GPIA | 0.9669 GPIA | 0.9669 GPIA | 1 |
| 2010s | 1.01 GPIA | 0.997 GPIA | 1.01 GPIA | 2 |
| 2020s | 1.01 GPIA | 1.01 GPIA | 1.01 GPIA | 1 |
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 educational attainment rate, completed lower secondary education or in Tonga?
- Educational attainment rate, completed lower secondary education or in Tonga was 1.01 GPIA in 2021, according to UNESCO Institute for Statistics.
- What is the highest educational attainment rate, completed lower secondary education or recorded in Tonga?
- The highest recorded value was 1.01 GPIA in 2018.
- What is the lowest educational attainment rate, completed lower secondary education or recorded in Tonga?
- The lowest recorded value was 0.956 GPIA in 1996.
- How does Tonga rank for educational attainment rate, completed lower secondary education or?
- Tonga ranks 15th out of 94 countries with data for 2021.
- Is educational attainment rate, completed lower secondary education or rising or falling in Tonga?
- Over the last ten years it is up 1.0%. 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 Educational attainment rate, completed lower secondary education or higher, population 25+ years, rural, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 5 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release