Educational attainment: at least some primary (ISCED 1), population in Tonga
Tonga: Educational attainment: at least some primary (ISCED 1), population was 99.2% in 2023. ▬ Flat
Educational attainment: at least some primary (ISCED 1), population in Tonga, 2006–2023
Source: UNESCO Institute for Statistics. Measured in %.
Analysis
Tonga recorded 99.2% for educational attainment: at least some primary (isced 1), population in 2023. That is the lowest value across all 6 years on record.
That represents a change of down 0.8% on the previous year and down 0.0% over ten years.
Over the whole period, educational attainment: at least some primary (isced 1), population in Tonga peaked at 100.0% in 2021 and was at its lowest, 99.2%, in 2023.
Tonga ranks 38th of 100 countries on this measure, in the middle of the range.
Educational attainment: at least some primary (ISCED 1), population in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 2006 | 99.4% | — |
| 2011 | 99.2% | -0.1% |
| 2018 | 99.3% | +0.0% |
| 2019 | 99.6% | +0.3% |
| 2021 | 100.0% | +0.4% |
| 2023 | 99.2% | -0.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 99.4% | 99.4% | 99.4% | 1 |
| 2010s | 99.4% | 99.2% | 99.6% | 3 |
| 2020s | 99.6% | 99.2% | 100.0% | 2 |
Countries ranked near Tonga
More education data for Tonga
- Repeaters in primary education, all grades, both sexes (number), gaps 20 (2024)
- Enrolment in pre-primary education, male (number), gaps filled 1,228 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 1,164 (2024)
- Secondary education, pupils, gaps filled 16,132 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 15,644 (2024)
- Primary education, pupils, annual growth rate -2.92 % change on previous year (2024)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2024)
- Primary education, pupils, per capita 0.1502 units per person (2024)
- Secondary education, duration (years), annual growth rate 0 % change on previous year (2025)
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 99.2% 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 100.0% in 2021.
- What is the lowest educational attainment: at least some primary (isced 1), population recorded in Tonga?
- The lowest recorded value was 99.2% in 2023.
- How does Tonga rank for educational attainment: at least some primary (isced 1), population?
- Tonga ranks 38th out of 100 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 down 0.0%. 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, both sexes (%). 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