SDG: Europe, Northern America, Australia and New Zealand vs Tonga: School life expectancy, primary to tertiary, both sexes

SDG: Europe, Northern America, Australia and New Zealand
16.38 years
in 2024
Tonga
18.18 years
in 2023
SDG: Europe, Northern America, Australia and New Zealand rank
15th
Tonga rank
15th

School life expectancy, primary to tertiary, both sexes over time

  • SDG: Europe, Northern America, Australia and New Zealand
  • Tonga
05101520197019972024

How they compare

Tonga currently reports 18.18 years against 16.38 years in SDG: Europe, Northern America, Australia and New Zealand, a difference of 1.8 years.

That makes Tonga's figure about 1.1 times SDG: Europe, Northern America, Australia and New Zealand's.

The two have swapped places 1 time across 7 shared years of data; in 1999 it was SDG: Europe, Northern America, Australia and New Zealand ahead.

SDG: Europe, Northern America, Australia and New Zealand ranks 15th and Tonga ranks 15th of 221 groups.

Across the 3 decades both report, SDG: Europe, Northern America, Australia and New Zealand averaged higher in 2 and Tonga in 1.

Head to head by decade

Decade SDG: Europe, Northern America, Australia and New Zealand Tonga Difference Ahead
1990s 15.17 years 13.26 years 1.91 years SDG: Europe, Northern America, Australia and New Zealand
2000s 15.43 years 13.47 years 1.96 years SDG: Europe, Northern America, Australia and New Zealand
2020s 16.38 years 17.86 years 1.47 years Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, primary to tertiary, both sexes, SDG: Europe, Northern America, Australia and New Zealand or Tonga?
Tonga, at 18.18 years against 16.38 years in SDG: Europe, Northern America, Australia and New Zealand as of 2023.
What is the difference in school life expectancy, primary to tertiary, both sexes between SDG: Europe, Northern America, Australia and New Zealand and Tonga?
1.8 years, with Tonga ahead.
How many years of comparable data are there for SDG: Europe, Northern America, Australia and New Zealand and Tonga?
7 years are reported by both, from 1999 to 2023.
How do SDG: Europe, Northern America, Australia and New Zealand and Tonga rank globally for school life expectancy, primary to tertiary, both sexes?
SDG: Europe, Northern America, Australia and New Zealand ranks 15th and Tonga ranks 15th of 221 groups.
Where does this data come from?
UNESCO Institute for Statistics, published as School life expectancy, primary to tertiary, both sexes (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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SDG: Europe, Northern America, Australia and New Zealand vs Tonga: School life expectancy, primary to tertiary, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 19 September 2026, from https://education.statizoid.com/compare/school-life-expectancy-primary-to-tertiary-both-sexes-years-2/sdg-europe-northern-america-australia-and-new-zealand/tonga/

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About this data

Indicator
School life expectancy, primary to tertiary, both sexes (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
407 places, 13,852 data points, 1970–2025
Last refreshed

February 2026 Data Release