Completion rate, upper secondary education, both … modelled data both in Tonga
Tonga: Completion rate, upper secondary education, both … modelled data both was 86.2% in 2025. ▲ Rising
Completion rate, upper secondary education, both sexes (modelled data) in Tonga, 1981–2025
Source: UNESCO Institute for Statistics. Measured in %.
Analysis
The most recent figure for completion rate, upper secondary education, both sexes (modelled data) in Tonga is 86.2%, measured in 2025. That is the highest value across all 45 years on record.
Compared with earlier readings it is up 0.5% on the previous year and up 5.6% over ten years.
Over the whole period, completion rate, upper secondary education, both sexes (modelled data) in Tonga peaked at 86.2% in 2025 and was at its lowest, 62.4%, in 1981.
That places Tonga 48th out of 164 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Completion rate, upper secondary education, both … modelled data both in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 1981 | 62.4% | — |
| 1982 | 63.1% | +1.1% |
| 1983 | 63.8% | +1.0% |
| 1984 | 64.3% | +0.8% |
| 1985 | 64.9% | +0.9% |
| 1986 | 65.5% | +0.9% |
| 1987 | 66.2% | +1.0% |
| 1988 | 66.7% | +0.8% |
| 1989 | 67.4% | +1.0% |
| 1990 | 68.1% | +1.1% |
| 1991 | 68.8% | +1.0% |
| 1992 | 69.3% | +0.8% |
| 1993 | 70.0% | +0.9% |
| 1994 | 70.5% | +0.7% |
| 1995 | 71.0% | +0.7% |
| 1996 | 71.4% | +0.6% |
| 1997 | 72.0% | +0.8% |
| 1998 | 72.6% | +0.8% |
| 1999 | 73.1% | +0.7% |
| 2000 | 73.8% | +0.9% |
| 2001 | 74.5% | +0.9% |
| 2002 | 75.0% | +0.8% |
| 2003 | 75.6% | +0.7% |
| 2004 | 76.0% | +0.6% |
| 2005 | 76.5% | +0.6% |
| 2006 | 77.0% | +0.7% |
| 2007 | 77.5% | +0.6% |
| 2008 | 77.9% | +0.6% |
| 2009 | 78.3% | +0.5% |
| 2010 | 78.8% | +0.6% |
| 2011 | 79.3% | +0.6% |
| 2012 | 79.8% | +0.7% |
| 2013 | 80.3% | +0.6% |
| 2014 | 80.9% | +0.8% |
| 2015 | 81.6% | +0.8% |
| 2016 | 82.3% | +0.8% |
| 2017 | 82.8% | +0.7% |
| 2018 | 83.3% | +0.6% |
| 2019 | 83.8% | +0.6% |
| 2020 | 84.2% | +0.5% |
| 2021 | 84.6% | +0.5% |
| 2022 | 85.0% | +0.5% |
| 2023 | 85.4% | +0.4% |
| 2024 | 85.8% | +0.5% |
| 2025 | 86.2% | +0.5% |
Tonga compared with similar countries
- Tonga's 86.2% is above the median for upper middle income countries, which is 72.5%, 1.2× the median. (50 countries reporting)
- Tonga's 86.2% is above the median for East Asia & Pacific, which is 59.0%, 1.5× the median. (21 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 64.9% | 62.4% | 67.4% | 9 |
| 1990s | 70.7% | 68.1% | 73.1% | 10 |
| 2000s | 76.2% | 73.8% | 78.3% | 10 |
| 2010s | 81.3% | 78.8% | 83.8% | 10 |
| 2020s | 85.2% | 84.2% | 86.2% | 6 |
Countries ranked near Tonga
More education data for Tonga
- Gender gap education levels, gaps filled 87.87 (1999)
- Primary enrollment selected countries, gaps filled 98.13 (2023)
- 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)
Frequently asked questions
- What is completion rate, upper secondary education, both sexes (modelled data) in Tonga?
- Completion rate, upper secondary education, both sexes (modelled data) in Tonga was 86.2% in 2025, according to UNESCO Institute for Statistics.
- What is the highest completion rate, upper secondary education, both sexes (modelled data) recorded in Tonga?
- The highest recorded value was 86.2% in 2025.
- What is the lowest completion rate, upper secondary education, both sexes (modelled data) recorded in Tonga?
- The lowest recorded value was 62.4% in 1981.
- How does Tonga rank for completion rate, upper secondary education, both sexes (modelled data)?
- Tonga ranks 48th out of 164 countries with data for 2025.
- Is completion rate, upper secondary education, both sexes (modelled data) rising or falling in Tonga?
- Over the last ten years it is up 5.6%. 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 Completion rate, upper secondary education, both sexes (modelled data) (%). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release