Number of years of compulsory primary and secondary education in Tonga
Tonga: Number of years of compulsory primary and secondary education was 13 in 2025. ▲ Rising
Number of years of compulsory primary and secondary education in Tonga, 1998–2025
Source: UNESCO Institute for Statistics.
Analysis
In 2025, number of years of compulsory primary and secondary education in Tonga stood at 13. That is the highest value across all 28 years on record.
That represents a change of unchanged over ten years.
Over the whole period, number of years of compulsory primary and secondary education in Tonga peaked at 13 in 2014 and was at its lowest, 6, in 1998.
That places Tonga 1st out of 214 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently rising across the 28 years of available data.
Number of years of compulsory primary and secondary education in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 1998 | 6 | — |
| 1999 | 6 | +0.0% |
| 2000 | 6 | +0.0% |
| 2001 | 6 | +0.0% |
| 2002 | 6 | +0.0% |
| 2003 | 6 | +0.0% |
| 2004 | 6 | +0.0% |
| 2005 | 6 | +0.0% |
| 2006 | 6 | +0.0% |
| 2007 | 6 | +0.0% |
| 2008 | 6 | +0.0% |
| 2009 | 6 | +0.0% |
| 2010 | 6 | +0.0% |
| 2011 | 6 | +0.0% |
| 2012 | 8 | +33.3% |
| 2013 | 8 | +0.0% |
| 2014 | 13 | +62.5% |
| 2015 | 13 | +0.0% |
| 2016 | 13 | +0.0% |
| 2017 | 13 | +0.0% |
| 2018 | 13 | +0.0% |
| 2019 | 13 | +0.0% |
| 2020 | 13 | +0.0% |
| 2021 | 13 | +0.0% |
| 2022 | 13 | +0.0% |
| 2023 | 13 | +0.0% |
| 2024 | 13 | +0.0% |
| 2025 | 13 | +0.0% |
Tonga compared with similar countries
- Tonga's 13 is above the median for upper middle income countries, which is 9.5, 1.4× the median. (58 countries reporting)
- Tonga's 13 is above the median for East Asia & Pacific, which is 9, 1.4× the median. (33 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 6 | 6 | 6 | 2 |
| 2000s | 6 | 6 | 6 | 10 |
| 2010s | 10.6 | 6 | 13 | 10 |
| 2020s | 13 | 13 | 13 | 6 |
Countries ranked near Tonga
More education data for Tonga
- Teachers in secondary education, both sexes (number), gaps filled 1,086 (2015)
- 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)
Frequently asked questions
- What is number of years of compulsory primary and secondary education in Tonga?
- Number of years of compulsory primary and secondary education in Tonga was 13 in 2025, according to UNESCO Institute for Statistics.
- What is the highest number of years of compulsory primary and secondary education recorded in Tonga?
- The highest recorded value was 13 in 2014.
- What is the lowest number of years of compulsory primary and secondary education recorded in Tonga?
- The lowest recorded value was 6 in 1998.
- How does Tonga rank for number of years of compulsory primary and secondary education?
- Tonga ranks 1st out of 214 countries with data for 2025.
- Is number of years of compulsory primary and secondary education rising or falling in Tonga?
- Over the last ten years it is unchanged. 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 Number of years of compulsory primary and secondary education guaranteed in legal frameworks. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 28 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release