Compulsory education, duration in Tonga

Tonga: Compulsory education, duration was 15 years in 2025. ▲ Rising

Latest (2025)
15 years
Change on year
unchanged
World rank
3rd
of 197 countries
All-time high
15 years
in 2014
All-time low
6 years
in 1998
Years of data
28
1998–2025

Compulsory education, duration in Tonga, 1998–2025

0510151998201120251998: 6 years1999: 6 years2000: 6 years2001: 6 years2002: 6 years2003: 6 years2004: 6 years2005: 6 years2006: 6 years2007: 6 years2008: 6 years2009: 6 years2010: 6 years2011: 6 years2012: 8 years2013: 8 years2014: 15 years2015: 15 years2016: 15 years2017: 15 years2018: 15 years2019: 15 years2020: 15 years2021: 15 years2022: 15 years2023: 15 years2024: 15 years2025: 15 years

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in years.

Analysis

The most recent figure for compulsory education, duration in Tonga is 15 years, measured in 2025. That is the highest value across all 28 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, compulsory education, duration in Tonga peaked at 15 years in 2014 and was at its lowest, 6 years, in 1998.

Tonga ranks 3rd of 197 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 28 years of available data.

Compulsory education, duration in Tonga, year by year

Annual values for Compulsory education, duration (years) in Tonga, 1998 to 2025.
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 8 years +33.3%
2013 8 years +0.0%
2014 15 years +87.5%
2015 15 years +0.0%
2016 15 years +0.0%
2017 15 years +0.0%
2018 15 years +0.0%
2019 15 years +0.0%
2020 15 years +0.0%
2021 15 years +0.0%
2022 15 years +0.0%
2023 15 years +0.0%
2024 15 years +0.0%
2025 15 years +0.0%

Tonga compared with similar countries

  • Tonga's 15 years is above the median for upper middle income countries, which is 10 years, 1.5× the median. (56 countries reporting)
  • Tonga's 15 years is above the median for East Asia & Pacific, which is 9 years, 1.7× the median. (29 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 6 years 6 years 6 years 2
2000s 6 years 6 years 6 years 10
2010s 11.8 years 6 years 15 years 10
2020s 15 years 15 years 15 years 6

Countries ranked near Tonga

  1. 1 Venezuela 17 years compare
  2. 2 Guatemala 16 years compare
  3. 3 Dominican Republic 15 years compare
  4. 3 Ecuador 15 years compare
  5. 3 El Salvador 15 years compare
  6. 3 Israel 15 years compare

See the full ranking of 243 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is compulsory education, duration in Tonga?
Compulsory education, duration in Tonga was 15 years in 2025, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest compulsory education, duration recorded in Tonga?
The highest recorded value was 15 years in 2014.
What is the lowest compulsory education, duration recorded in Tonga?
The lowest recorded value was 6 years in 1998.
How does Tonga rank for compulsory education, duration?
Tonga ranks 3rd out of 197 countries with data for 2025.
Is compulsory education, duration 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 Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Compulsory education, duration (years). Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 28 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

Compulsory education, duration in Tonga. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 22 September 2026, from https://education.statizoid.com/stat/compulsory-education-duration-years/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/stat/compulsory-education-duration-years/tonga/">Compulsory education, duration in Tonga</a> — Statizoid

About this data

Indicator
Compulsory education, duration (years)
Unit
years
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
243 places, 6,506 data points, 1975–2025
Last refreshed

Duration of compulsory education is the number of years that children are legally obliged to attend school.