Share of the population with lower secondary education in Tonga
Tonga: Share of the population with lower secondary education was 94.2% in 2021. ▲ Rising
Share of the population with lower secondary education in Tonga, 1986–2021
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in %.
Analysis
In 2021, share of the population with lower secondary education in Tonga stood at 94.2%. That is the highest value across all 6 years on record.
The figure is up 0.8% on the previous year and up 7.0% over ten years.
Over the whole period, share of the population with lower secondary education in Tonga peaked at 94.2% in 2021 and was at its lowest, 54.9%, in 1986.
Tonga ranks 28th of 135 countries on this measure, in the top quarter.
Share of the population with lower secondary education in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 1986 | 54.9% | — |
| 1996 | 74.1% | +35.0% |
| 2006 | 69.6% | -6.1% |
| 2011 | 88.0% | +26.4% |
| 2018 | 93.5% | +6.2% |
| 2021 | 94.2% | +0.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 54.9% | 54.9% | 54.9% | 1 |
| 1990s | 74.1% | 74.1% | 74.1% | 1 |
| 2000s | 69.6% | 69.6% | 69.6% | 1 |
| 2010s | 90.7% | 88.0% | 93.5% | 2 |
| 2020s | 94.2% | 94.2% | 94.2% | 1 |
Countries ranked near Tonga
More education data for Tonga
- Enrolment in tertiary education, all programmes, both sexes (number) -23.7 % change on previous year (2024)
- Teachers in primary education, female (number), gaps filled 640 (2024)
- Teachers in primary education, male (number), gaps filled 178 (2024)
- Enrolment in tertiary education, all programmes, female (number) 2,536 (2024)
- Enrolment in tertiary education, all programmes, male (number), gaps 941 (2024)
- Theoretical duration of primary education (years), annual growth rate 0 % change on previous year (2025)
- Theoretical duration of pre-primary education (years), annual growth 0 % change on previous year (2025)
- Start of the academic school year (pre-primary to post-secondary non) 0.0494 % change on previous year (2025)
- Theoretical duration of lower secondary education (years), annual 0 % change on previous year (2025)
- Theoretical duration of upper secondary education (years), annual 0 % change on previous year (2025)
Frequently asked questions
- What is share of the population with lower secondary education in Tonga?
- Share of the population with lower secondary education in Tonga was 94.2% in 2021, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest share of the population with lower secondary education recorded in Tonga?
- The highest recorded value was 94.2% in 2021.
- What is the lowest share of the population with lower secondary education recorded in Tonga?
- The lowest recorded value was 54.9% in 1986.
- How does Tonga rank for share of the population with lower secondary education?
- Tonga ranks 28th out of 135 countries with data for 2021.
- Is share of the population with lower secondary education rising or falling in Tonga?
- Over the last ten years it is up 7.0%. 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 (2026) – with minor processing by Our World in Data, published as part of Share of the population with lower secondary education. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 6 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of adults aged 25 and older who have completed lower secondary education or higher.