School life expectancy, post-secondary non-tertiary, both sexes in Tonga
Tonga: School life expectancy, post-secondary non-tertiary, both sexes was 2.45 years in 2023. ◆ Volatile
School life expectancy, post-secondary non-tertiary, both sexes in Tonga, 1998–2023
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Tonga recorded 2.45 years for school life expectancy, post-secondary non-tertiary, both sexes in 2023.
That represents a change of down 66.1% on the previous year and up 77.9% over ten years.
Over the whole period, school life expectancy, post-secondary non-tertiary, both sexes in Tonga peaked at 7.24 years in 2022 and was at its lowest, 0.0711 years, in 2000.
That places Tonga 2nd out of 127 countries with data for 2023, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.1572 years | 0.1497 years | 0.1646 years | 2 |
| 2000s | 0.138 years | 0.0711 years | 0.1847 years | 7 |
| 2010s | 1.92 years | 1.38 years | 2.28 years | 3 |
| 2020s | 4.08 years | 2.35 years | 7.24 years | 4 |
Countries ranked near Tonga
- 1 Cook Islands 1.46 years compare
- 1 Jamaica 3.63 years compare
- 2 Montserrat 0.515 years compare
- 3 Anguilla 0.499 years compare
- 3 Singapore 2.32 years compare
- 4 New Zealand 1.82 years compare
- 5 Grenada 1.77 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 school life expectancy, post-secondary non-tertiary, both sexes in Tonga?
- School life expectancy, post-secondary non-tertiary, both sexes in Tonga was 2.45 years in 2023, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, post-secondary non-tertiary, both sexes recorded in Tonga?
- The highest recorded value was 7.24 years in 2022.
- What is the lowest school life expectancy, post-secondary non-tertiary, both sexes recorded in Tonga?
- The lowest recorded value was 0.0711 years in 2000.
- How does Tonga rank for school life expectancy, post-secondary non-tertiary, both sexes?
- Tonga ranks 2nd out of 127 countries with data for 2023.
- Is school life expectancy, post-secondary non-tertiary, both sexes rising or falling in Tonga?
- Over the last ten years it is up 77.9%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, post-secondary non-tertiary, both sexes (years). Statizoid updates them automatically from the source API.
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CSV · JSON — 16 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release