Barro-Lee: Percentage of population age 25+ with secondary schooling. in Tonga

Tonga: Barro-Lee: Percentage of population age 25+ with secondary schooling. was 81.8% in 2010. ▲ Rising

Latest (2010)
81.8%
World rank
5th
of 144 countries
All-time high
81.8%
in 2010
All-time low
38.9%
in 1960
Years of data
11
1960–2010

Barro-Lee: Percentage of population age 25+ with secondary schooling. in Tonga, 1960–2010

0204060801960198520101960: 38.9 Incomplete and Completed Secondary1965: 40 Incomplete and Completed Secondary1970: 41.2 Incomplete and Completed Secondary1975: 41.6 Incomplete and Completed Secondary1980: 47.5 Incomplete and Completed Secondary1985: 52.2 Incomplete and Completed Secondary1990: 57.5 Incomplete and Completed Secondary1995: 65.3 Incomplete and Completed Secondary2000: 62.6 Incomplete and Completed Secondary2005: 57.5 Incomplete and Completed Secondary2010: 81.8 Incomplete and Completed Secondary

Source: Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Measured in Incomplete and Completed Secondary.

Analysis

The most recent figure for barro-lee: percentage of population age 25+ with secondary schooling. in Tonga is 81.8%, measured in 2010. That is the highest value across all 11 years on record.

That represents a change of up 30.7% over ten years.

Over the whole period, barro-lee: percentage of population age 25+ with secondary schooling. in Tonga peaked at 81.8% in 2010 and was at its lowest, 38.9%, in 1960.

That places Tonga 5th out of 144 countries with data for 2010, putting it in the top 10%.

The long-run direction has been consistently rising across the 11 years of available data.

Barro-Lee: Percentage of population age 25+ with secondary schooling. in Tonga, year by year

Annual values for Barro-Lee: Percentage of population age 25+ with secondary schooling. Total (Incomplete and Completed Secondary) in Tonga, 1960 to 2010.
Year Incomplete and Completed Secondary Change
1960 38.9%
1965 40.0% +3.0%
1970 41.2% +3.0%
1975 41.6% +0.8%
1980 47.5% +14.1%
1985 52.2% +9.9%
1990 57.5% +10.2%
1995 65.3% +13.7%
2000 62.6% -4.3%
2005 57.5% -8.1%
2010 81.8% +42.2%

Averages by decade

DecadeAverage LowestHighest Years
1960s 39.5% 38.9% 40.0% 2
1970s 41.4% 41.2% 41.6% 2
1980s 49.8% 47.5% 52.2% 2
1990s 61.4% 57.5% 65.3% 2
2000s 60.0% 57.5% 62.6% 2
2010s 81.8% 81.8% 81.8% 1

Countries ranked near Tonga

  1. 2 Tajikistan 84.5% compare
  2. 3 Albania 83.8% compare
  3. 4 Czechia 83.3% compare
  4. 6 Slovakia 81.7% compare
  5. 7 Hungary 78.5% compare
  6. 8 Belize 78.2% compare

See the full ranking of 144 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is barro-lee: percentage of population age 25+ with secondary schooling. in Tonga?
Barro-lee: percentage of population age 25+ with secondary schooling. in Tonga was 81.8% in 2010, according to Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/.
What is the highest barro-lee: percentage of population age 25+ with secondary schooling. recorded in Tonga?
The highest recorded value was 81.8% in 2010.
What is the lowest barro-lee: percentage of population age 25+ with secondary schooling. recorded in Tonga?
The lowest recorded value was 38.9% in 1960.
How does Tonga rank for barro-lee: percentage of population age 25+ with secondary schooling.?
Tonga ranks 5th out of 144 countries with data for 2010.
Is barro-lee: percentage of population age 25+ with secondary schooling. rising or falling in Tonga?
Over the last ten years it is up 30.7%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/, published as part of Barro-Lee: Percentage of population age 25+ with secondary schooling. Total (Incomplete and Completed Secondary). Statizoid updates them automatically from the source API.

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Barro-Lee: Percentage of population age 25+ with secondary schooling. in Tonga. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 05 September 2026, from https://education.statizoid.com/stat/barro-lee-percentage-of-population-age-25-with-secondary-schooling-total-incomplete-and/tonga/

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About this data

Indicator
Barro-Lee: Percentage of population age 25+ with secondary schooling. Total (Incomplete and Completed Secondary)
Unit
Incomplete and Completed Secondary
Source
Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
144 places, 1,584 data points, 1960–2010
Last refreshed

Percentage of population age 25+ with secondary schooling. Total (Incomplete and Completed Secondary)