Official entrance age to compulsory education in Tonga
Tonga: Official entrance age to compulsory education was 4 years in 2025. ▼ Falling
Latest (2025)
4 years
Change on year
unchanged
World rank
166th
of 200 countries
All-time high
6 years
in 1998
All-time low
4 years
in 2014
Years of data
28
1998–2025
Official entrance age to compulsory education in Tonga, 1998–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2025, official entrance age to compulsory education in Tonga stood at 4 years. That is the lowest value across all 28 years on record.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, official entrance age to compulsory education in Tonga peaked at 6 years in 1998 and was at its lowest, 4 years, in 2014.
Tonga ranks 166th of 200 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 28 years of available data.
Official entrance age to compulsory education in Tonga, year by year
| Year | years | Change |
|---|---|---|
| 1998 | 6 years | — |
| 1999 | 6 years | +0.0% |
| 2000 | 6 years | +0.0% |
| 2001 | 6 years | +0.0% |
| 2002 | 6 years | +0.0% |
| 2003 | 6 years | +0.0% |
| 2004 | 6 years | +0.0% |
| 2005 | 6 years | +0.0% |
| 2006 | 6 years | +0.0% |
| 2007 | 6 years | +0.0% |
| 2008 | 6 years | +0.0% |
| 2009 | 6 years | +0.0% |
| 2010 | 6 years | +0.0% |
| 2011 | 6 years | +0.0% |
| 2012 | 6 years | +0.0% |
| 2013 | 6 years | +0.0% |
| 2014 | 4 years | -33.3% |
| 2015 | 4 years | +0.0% |
| 2016 | 4 years | +0.0% |
| 2017 | 4 years | +0.0% |
| 2018 | 4 years | +0.0% |
| 2019 | 4 years | +0.0% |
| 2020 | 4 years | +0.0% |
| 2021 | 4 years | +0.0% |
| 2022 | 4 years | +0.0% |
| 2023 | 4 years | +0.0% |
| 2024 | 4 years | +0.0% |
| 2025 | 4 years | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 6 years | 6 years | 6 years | 2 |
| 2000s | 6 years | 6 years | 6 years | 10 |
| 2010s | 4.8 years | 4 years | 6 years | 10 |
| 2020s | 4 years | 4 years | 4 years | 6 |
Countries ranked near Tonga
- 166 Aruba 4 years compare
- 166 Argentina 4 years compare
- 166 Bulgaria 4 years compare
- 166 Bolivia, Plurinational State of 4 years compare
- 166 Brazil 4 years compare
- 166 Switzerland 4 years compare
- 166 Costa Rica 4 years compare
- 166 Curaçao 4 years compare
- 166 Cayman Islands 4 years compare
- 166 Ghana 4 years compare
- 166 Gibraltar 4 years compare
- 166 Hungary 4 years compare
- 166 Luxembourg 4 years compare
- 166 Maldives 4 years compare
- 166 Mexico 4 years compare
- 166 Nepal 4 years compare
- 166 Naoero 4 years compare
- 166 Panama 4 years compare
- 166 Sint Maarten 4 years compare
- 166 Turks and Caicos Islands 4 years compare
- 166 Uruguay 4 years compare
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 official entrance age to compulsory education in Tonga?
- Official entrance age to compulsory education in Tonga was 4 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest official entrance age to compulsory education recorded in Tonga?
- The highest recorded value was 6 years in 1998.
- What is the lowest official entrance age to compulsory education recorded in Tonga?
- The lowest recorded value was 4 years in 2014.
- How does Tonga rank for official entrance age to compulsory education?
- Tonga ranks 166th out of 200 countries with data for 2025.
- Is official entrance age to compulsory education rising or falling in Tonga?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Official entrance age to compulsory education (years). 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