Gross enrolment ratio, secondary, adjusted gender parity index (GPIA) in Tonga
Tonga: Gross enrolment ratio, secondary, adjusted gender parity index (GPIA) was 1.07 GPIA in 2024. ▲ Rising
Gross enrolment ratio, secondary, adjusted gender parity index in Tonga, 1970–2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
The most recent figure for gross enrolment ratio, secondary, adjusted gender parity index in Tonga is 1.07 GPIA, measured in 2024.
That represents a change of down 4.0% on the previous year and down 3.2% over ten years.
Over the whole period, gross enrolment ratio, secondary, adjusted gender parity index in Tonga peaked at 1.24 GPIA in 2009 and was at its lowest, 0.7392 GPIA, in 2007.
That places Tonga 45th out of 212 countries with data for 2024, putting it in the top quarter.
The long-run direction has been consistently rising across the 36 years of available data.
Gross enrolment ratio, secondary, adjusted gender parity index (GPIA) in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 1970 | 0.9656 GPIA | — |
| 1971 | 0.9891 GPIA | +2.4% |
| 1972 | 0.9246 GPIA | -6.5% |
| 1973 | 0.977 GPIA | +5.7% |
| 1974 | 0.9771 GPIA | +0.0% |
| 1975 | 0.9851 GPIA | +0.8% |
| 1978 | 1.02 GPIA | +4.0% |
| 1981 | 0.9493 GPIA | -7.3% |
| 1982 | 0.9744 GPIA | +2.6% |
| 1984 | 1.06 GPIA | +8.7% |
| 1985 | 1.09 GPIA | +2.7% |
| 1986 | 1.06 GPIA | -3.1% |
| 1990 | 0.9961 GPIA | -5.6% |
| 1991 | 1.03 GPIA | +3.6% |
| 1993 | 0.9787 GPIA | -5.2% |
| 1998 | 1.09 GPIA | +11.2% |
| 1999 | 1.06 GPIA | -2.4% |
| 2000 | 1.05 GPIA | -1.2% |
| 2001 | 1.04 GPIA | -0.8% |
| 2002 | 1.07 GPIA | +2.5% |
| 2006 | 1.02 GPIA | -4.3% |
| 2007 | 0.7392 GPIA | -27.7% |
| 2008 | 1.06 GPIA | +43.4% |
| 2009 | 1.24 GPIA | +17.0% |
| 2010 | 1.08 GPIA | -12.5% |
| 2011 | 0.9891 GPIA | -8.8% |
| 2012 | 1.06 GPIA | +7.5% |
| 2013 | 1.06 GPIA | -0.6% |
| 2014 | 1.11 GPIA | +4.9% |
| 2015 | 1.09 GPIA | -1.3% |
| 2019 | 1.1 GPIA | +0.5% |
| 2020 | 1.12 GPIA | +1.4% |
| 2021 | 1 GPIA | -10.1% |
| 2022 | 1.08 GPIA | +7.6% |
| 2023 | 1.12 GPIA | +3.6% |
| 2024 | 1.07 GPIA | -4.0% |
Tonga compared with similar countries
- Tonga's 1.07 GPIA is above the median for upper middle income countries, which is 1.02 GPIA, 1.0× the median. (58 countries reporting)
- Tonga's 1.07 GPIA is above the median for East Asia & Pacific, which is 1.03 GPIA, 1.0× the median. (33 countries reporting)
Biggest year-on-year movements
Years where Gross enrolment ratio, secondary, adjusted gender parity index (GPIA) in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2008 | +43.4% | 0.7392 GPIA | 1.06 GPIA |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.9776 GPIA | 0.9246 GPIA | 1.02 GPIA | 7 |
| 1980s | 1.03 GPIA | 0.9493 GPIA | 1.09 GPIA | 5 |
| 1990s | 1.03 GPIA | 0.9787 GPIA | 1.09 GPIA | 5 |
| 2000s | 1.03 GPIA | 0.7392 GPIA | 1.24 GPIA | 7 |
| 2010s | 1.07 GPIA | 0.9891 GPIA | 1.11 GPIA | 7 |
| 2020s | 1.08 GPIA | 1 GPIA | 1.12 GPIA | 5 |
Countries ranked near Tonga
- 42 Saint Lucia 1.08 GPIA compare
- 43 Ireland 1.08 GPIA compare
- 44 Zambia 1.08 GPIA compare
- 46 Costa Rica 1.07 GPIA compare
- 47 Aruba 1.07 GPIA compare
- 48 New Zealand 1.07 GPIA compare
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 gross enrolment ratio, secondary, adjusted gender parity index in Tonga?
- Gross enrolment ratio, secondary, adjusted gender parity index in Tonga was 1.07 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest gross enrolment ratio, secondary, adjusted gender parity index recorded in Tonga?
- The highest recorded value was 1.24 GPIA in 2009.
- What is the lowest gross enrolment ratio, secondary, adjusted gender parity index recorded in Tonga?
- The lowest recorded value was 0.7392 GPIA in 2007.
- How does Tonga rank for gross enrolment ratio, secondary, adjusted gender parity index?
- Tonga ranks 45th out of 212 countries with data for 2024.
- Is gross enrolment ratio, secondary, adjusted gender parity index rising or falling in Tonga?
- Over the last ten years it is down 3.2%. 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 Gross enrolment ratio, secondary, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 36 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release