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

Tonga: Educational attainment rate, completed post-secondary non-tertiary was 24.4% in 2023. β–² Rising

Latest (2023)
24.4%
Change on year
down 0.1%
World rank
66th
of 110 countries
All-time high
24.4%
in 2021
All-time low
16.8%
in 2011
Years of data
6
2006–2023

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

05101520252006201420232006: 23.4 %2011: 16.8 %2016: 18.4 %2018: 21.3 %2021: 24.4 %2023: 24.4 %

Source: UNESCO Institute for Statistics. Measured in %.

Analysis

Tonga recorded 24.4% for educational attainment rate, completed post-secondary non-tertiary in 2023.

Compared with earlier readings it is down 0.1% on the previous year and up 45.3% over ten years.

Over the whole period, educational attainment rate, completed post-secondary non-tertiary in Tonga peaked at 24.4% in 2021 and was at its lowest, 16.8%, in 2011.

That places Tonga 66th out of 110 countries with data for 2023, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2000s 23.4% 23.4% 23.4% 1
2010s 18.8% 16.8% 21.3% 3
2020s 24.4% 24.4% 24.4% 2

Countries ranked near Tonga

  1. 63 Croatia 25.6% compare
  2. 64 Oman 25.0% compare
  3. 65 Zimbabwe 24.8% compare
  4. 67 Montenegro 24.3% compare
  5. 68 Czechia 24.3% compare
  6. 69 Moldova, Republic of 22.6% compare

See the full ranking of 110 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 24.4% 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 24.4% in 2021.
What is the lowest educational attainment rate, completed post-secondary non-tertiary recorded in Tonga?
The lowest recorded value was 16.8% in 2011.
How does Tonga rank for educational attainment rate, completed post-secondary non-tertiary?
Tonga ranks 66th out of 110 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 45.3%. 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, 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/tonga/

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About this data

Indicator
Educational attainment rate, completed post-secondary non-tertiary education or higher, population 25+ years, both sexes (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
110 places, 1,338 data points, 1970–2024
Last refreshed

February 2026 Data Release