Educational attainment: at least some primary (ISCED 1), population in Tonga
Tonga: Educational attainment: at least some primary (ISCED 1), population was 1.01 GPIA in 2023. ▬ Flat
Educational attainment: at least some primary (ISCED 1), population in Tonga, 2006–2023
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
In 2023, educational attainment: at least some primary (isced 1), population in Tonga stood at 1.01 GPIA. That is the highest value across all 6 years on record.
Compared with earlier readings it is up 1.0% on the previous year and up 0.9% over ten years.
Over the whole period, educational attainment: at least some primary (isced 1), population in Tonga peaked at 1.01 GPIA in 2023 and was at its lowest, 1 GPIA, in 2021.
That places Tonga 1st out of 98 countries with data for 2023, putting it in the top 10%.
Educational attainment: at least some primary (ISCED 1), population in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 2006 | 1 GPIA | — |
| 2011 | 1 GPIA | -0.1% |
| 2018 | 1 GPIA | +0.4% |
| 2019 | 1 GPIA | -0.4% |
| 2021 | 1 GPIA | -0.1% |
| 2023 | 1.01 GPIA | +1.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1 GPIA | 1 GPIA | 1 GPIA | 1 |
| 2010s | 1 GPIA | 1 GPIA | 1 GPIA | 3 |
| 2020s | 1 GPIA | 1 GPIA | 1.01 GPIA | 2 |
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)
- Primary secondary enrollment completion rates, gaps filled 108.79 (2024)
- School enrollment, primary 108.8% (2024)
Frequently asked questions
- What is educational attainment: at least some primary (isced 1), population in Tonga?
- Educational attainment: at least some primary (isced 1), population in Tonga was 1.01 GPIA in 2023, according to UNESCO Institute for Statistics.
- What is the highest educational attainment: at least some primary (isced 1), population recorded in Tonga?
- The highest recorded value was 1.01 GPIA in 2023.
- What is the lowest educational attainment: at least some primary (isced 1), population recorded in Tonga?
- The lowest recorded value was 1 GPIA in 2021.
- How does Tonga rank for educational attainment: at least some primary (isced 1), population?
- Tonga ranks 1st out of 98 countries with data for 2023.
- Is educational attainment: at least some primary (isced 1), population rising or falling in Tonga?
- Over the last ten years it is up 0.9%. The long-run trend across the full record is flat.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Educational attainment: at least some primary (ISCED 1), population 25+ years, urban, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 6 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release