Educational attainment rate, completed post-secondary non-tertiary in Tonga

Tonga: Educational attainment rate, completed post-secondary non-tertiary was 21.8% in 2023. β–² Rising

Latest (2023)
21.8%
Change on year
up 2.3%
World rank
36th
of 79 countries
All-time high
21.8%
in 2023
All-time low
13.7%
in 2011
Years of data
5
2006–2023

Educational attainment rate, completed post-secondary non-tertiary in Tonga, 2006–2023

051015202006201420232006: 17.8 %2011: 13.7 %2018: 18.7 %2021: 21.3 %2023: 21.8 %

Source: UNESCO Institute for Statistics. Measured in %.

Analysis

Tonga recorded 21.8% for educational attainment rate, completed post-secondary non-tertiary in 2023. That is the highest value across all 5 years on record.

The figure is up 2.3% on the previous year and up 59.4% over ten years.

Over the whole period, educational attainment rate, completed post-secondary non-tertiary in Tonga peaked at 21.8% in 2023 and was at its lowest, 13.7%, in 2011.

That places Tonga 36th out of 79 countries with data for 2023, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2000s 17.8% 17.8% 17.8% 1
2010s 16.2% 13.7% 18.7% 2
2020s 21.6% 21.3% 21.8% 2

Countries ranked near Tonga

  1. 33 Spain 25.1% compare
  2. 34 Slovenia 23.9% compare
  3. 35 Oman 23.7% compare
  4. 37 Poland 20.2% compare
  5. 38 Philippines 19.6% compare
  6. 39 Hungary 19.0% compare

See the full ranking of 79 places β†’

More education data for Tonga

All data for Tonga β†’

Frequently asked questions

What is educational attainment rate, completed post-secondary non-tertiary in Tonga?
Educational attainment rate, completed post-secondary non-tertiary in Tonga was 21.8% in 2023, according to UNESCO Institute for Statistics.
What is the highest educational attainment rate, completed post-secondary non-tertiary recorded in Tonga?
The highest recorded value was 21.8% in 2023.
What is the lowest educational attainment rate, completed post-secondary non-tertiary recorded in Tonga?
The lowest recorded value was 13.7% in 2011.
How does Tonga rank for educational attainment rate, completed post-secondary non-tertiary?
Tonga ranks 36th out of 79 countries with data for 2023.
Is educational attainment rate, completed post-secondary non-tertiary rising or falling in Tonga?
Over the last ten years it is up 59.4%. 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 Educational attainment rate, completed post-secondary non-tertiary education or higher, population 25+ years, rural, both sexes (%). Statizoid updates them automatically from the source API.

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Educational attainment rate, completed post-secondary non-tertiary in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 19 August 2026, from https://education.statizoid.com/stat/educational-attainment-rate-completed-post-secondary-non-tertiary-education-or-higher-5/tonga/

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About this data

Indicator
Educational attainment rate, completed post-secondary non-tertiary education or higher, population 25+ years, rural, both sexes (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
79 places, 889 data points, 1970–2024
Last refreshed

February 2026 Data Release