Educational attainment, at least completed lower secondary in Tonga

Tonga: Educational attainment, at least completed lower secondary was 94.2% in 2021. ▲ Rising

Latest (2021)
94.2%
Change on year
up 0.8%
World rank
28th
of 134 countries
All-time high
94.2%
in 2021
All-time low
54.9%
in 1986
Years of data
6
1986–2021

Educational attainment, at least completed lower secondary in Tonga, 1986–2021

0204060801001986200320211986: 54.9 cumulative1996: 74.1 cumulative2006: 69.6 cumulative2011: 88 cumulative2018: 93.5 cumulative2021: 94.2 cumulative

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in cumulative.

Analysis

Tonga recorded 94.2% for educational attainment, at least completed lower secondary in 2021. That is the highest value across all 6 years on record.

The figure is up 0.8% on the previous year and up 7.0% over ten years.

Over the whole period, educational attainment, at least completed lower secondary in Tonga peaked at 94.2% in 2021 and was at its lowest, 54.9%, in 1986.

Tonga ranks 28th of 134 countries on this measure, in the top quarter.

Educational attainment, at least completed lower secondary in Tonga, year by year

Annual values for Educational attainment, at least completed lower secondary, population 25+, total (%) (cumulative) in Tonga, 1986 to 2021.
Year cumulative Change
1986 54.9%
1996 74.1% +35.0%
2006 69.6% -6.1%
2011 88.0% +26.4%
2018 93.5% +6.2%
2021 94.2% +0.8%

Averages by decade

DecadeAverage LowestHighest Years
1980s 54.9% 54.9% 54.9% 1
1990s 74.1% 74.1% 74.1% 1
2000s 69.6% 69.6% 69.6% 1
2010s 90.7% 88.0% 93.5% 2
2020s 94.2% 94.2% 94.2% 1

Countries ranked near Tonga

  1. 25 Cayman Islands 95.3% compare
  2. 26 Germany 94.8% compare
  3. 27 Austria 94.7% compare
  4. 29 Malta 93.7% compare
  5. 30 Romania 93.4% compare
  6. 31 Denmark 93.3% compare

See the full ranking of 134 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is educational attainment, at least completed lower secondary in Tonga?
Educational attainment, at least completed lower secondary in Tonga was 94.2% in 2021, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest educational attainment, at least completed lower secondary recorded in Tonga?
The highest recorded value was 94.2% in 2021.
What is the lowest educational attainment, at least completed lower secondary recorded in Tonga?
The lowest recorded value was 54.9% in 1986.
How does Tonga rank for educational attainment, at least completed lower secondary?
Tonga ranks 28th out of 134 countries with data for 2021.
Is educational attainment, at least completed lower secondary rising or falling in Tonga?
Over the last ten years it is up 7.0%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Educational attainment, at least completed lower secondary, population 25+, total (%) (cumulative). Statizoid updates them automatically from the source API.

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Educational attainment, at least completed lower secondary in Tonga. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 23 August 2026, from https://education.statizoid.com/stat/educational-attainment-at-least-completed-lower-secondary-population-25-total-percent/tonga/

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About this data

Indicator
Educational attainment, at least completed lower secondary, population 25+, total (%) (cumulative)
Unit
cumulative
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
134 places, 1,905 data points, 1970–2024
Last refreshed

The percentage of population ages 25 and over that attained or completed lower secondary education.