School life expectancy, primary to tertiary, both sexes (years) (both) in Tonga
Tonga: School life expectancy, primary to tertiary, both sexes (years) (both) was 14.53 years in 2003. ▲ Rising
School life expectancy, primary to tertiary, both sexes in Tonga, 1970–2003
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in years.
Analysis
The most recent figure for school life expectancy, primary to tertiary, both sexes in Tonga is 14.53 years, measured in 2003. That is the highest value across all 10 years on record.
The figure is up 6.7% on the previous year and up 6.2% over five years.
Over the whole period, school life expectancy, primary to tertiary, both sexes in Tonga peaked at 14.53 years in 2003 and was at its lowest, 11.8 years, in 1970.
Tonga ranks 67th of 183 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 10 years of available data.
School life expectancy, primary to tertiary, both sexes (years) (both) in Tonga, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 11.8 years | — |
| 1978 | 12.53 years | +6.2% |
| 1981 | 13.89 years | +10.8% |
| 1984 | 14.16 years | +2.0% |
| 1985 | 13.61 years | -3.8% |
| 1999 | 13.67 years | +0.4% |
| 2000 | 13.17 years | -3.7% |
| 2001 | 13.41 years | +1.8% |
| 2002 | 13.61 years | +1.6% |
| 2003 | 14.53 years | +6.7% |
Tonga compared with similar countries
- Tonga's 14.53 years is above the median for upper middle income countries, which is 13.93 years, 1.0× the median. (51 countries reporting)
- Tonga's 14.53 years is above the median for East Asia & Pacific, which is 13.38 years, 1.1× the median. (24 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 12.17 years | 11.8 years | 12.53 years | 2 |
| 1980s | 13.89 years | 13.61 years | 14.16 years | 3 |
| 1990s | 13.67 years | 13.67 years | 13.67 years | 1 |
| 2000s | 13.68 years | 13.17 years | 14.53 years | 4 |
Countries ranked near Tonga
- 64 Serbia 14.66 years
- 65 Liechtenstein 14.62 years
- 66 Mongolia 14.58 years compare
- 68 Slovakia 14.48 years compare
- 69 Colombia 14.4 years compare
- 70 United Arab Emirates 14.34 years compare
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 school life expectancy, primary to tertiary, both sexes in Tonga?
- School life expectancy, primary to tertiary, both sexes in Tonga was 14.53 years in 2003, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
- What is the highest school life expectancy, primary to tertiary, both sexes recorded in Tonga?
- The highest recorded value was 14.53 years in 2003.
- What is the lowest school life expectancy, primary to tertiary, both sexes recorded in Tonga?
- The lowest recorded value was 11.8 years in 1970.
- How does Tonga rank for school life expectancy, primary to tertiary, both sexes?
- Tonga ranks 67th out of 183 countries with data for 2003.
- Where does this Tonga data come from?
- The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of School life expectancy, primary to tertiary, both sexes (years). Statizoid updates them automatically from the source API.
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About this data
Expected years of schooling is the number of years a child of school entrance age is expected to spend at school, or university, including years spent on repetition. It is the sum of the age-specific enrolment ratios for primary, secondary, post-secondary non-tertiary and tertiary education.