School life expectancy, primary to tertiary, female (years) (female) in Tonga
Tonga: School life expectancy, primary to tertiary, female (years) (female) was 20.6 years in 2023. ▲ Rising
School life expectancy, primary to tertiary, female in Tonga, 1970–2023
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Tonga recorded 20.6 years for school life expectancy, primary to tertiary, female in 2023. That is the highest value across all 9 years on record.
The figure is up 9.9% on the previous year and up 9.9% over five years.
Over the whole period, school life expectancy, primary to tertiary, female in Tonga peaked at 20.6 years in 2023 and was at its lowest, 11.94 years, in 1978.
That places Tonga 5th out of 179 countries with data for 2023, putting it in the top 10%.
School life expectancy, primary to tertiary, female (years) (female) in Tonga, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 12.17 years | — |
| 1978 | 11.94 years | -1.9% |
| 1981 | 12.62 years | +5.7% |
| 1984 | 13.25 years | +5.0% |
| 1985 | 13.11 years | -1.1% |
| 1999 | 13.4 years | +2.3% |
| 2002 | 13.62 years | +1.6% |
| 2020 | 18.75 years | +37.7% |
| 2023 | 20.6 years | +9.9% |
Tonga compared with similar countries
- Tonga's 20.6 years is above the median for upper middle income countries, which is 14.45 years, 1.4× the median. (52 countries reporting)
- Tonga's 20.6 years is above the median for East Asia & Pacific, which is 14.8 years, 1.4× the median. (23 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 12.05 years | 11.94 years | 12.17 years | 2 |
| 1980s | 12.99 years | 12.62 years | 13.25 years | 3 |
| 1990s | 13.4 years | 13.4 years | 13.4 years | 1 |
| 2000s | 13.62 years | 13.62 years | 13.62 years | 1 |
| 2020s | 19.67 years | 18.75 years | 20.6 years | 2 |
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 school life expectancy, primary to tertiary, female in Tonga?
- School life expectancy, primary to tertiary, female in Tonga was 20.6 years in 2023, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, primary to tertiary, female recorded in Tonga?
- The highest recorded value was 20.6 years in 2023.
- What is the lowest school life expectancy, primary to tertiary, female recorded in Tonga?
- The lowest recorded value was 11.94 years in 1978.
- How does Tonga rank for school life expectancy, primary to tertiary, female?
- Tonga ranks 5th out of 179 countries with data for 2023.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, primary to tertiary, female (years). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 9 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release