Barro-Lee: Percentage of population age 25-29 with secondary in Tonga

Tonga: Barro-Lee: Percentage of population age 25-29 with secondary was 89.5% in 2010. ▲ Rising

Latest (2010)
89.5%
World rank
4th
of 144 countries
All-time high
89.5%
in 2010
All-time low
42.0%
in 1960
Years of data
11
1960–2010

Barro-Lee: Percentage of population age 25-29 with secondary in Tonga, 1960–2010

0204060801960198520101960: 42 Incomplete and Completed Secondary1965: 42 Incomplete and Completed Secondary1970: 42 Incomplete and Completed Secondary1975: 42 Incomplete and Completed Secondary1980: 73.4 Incomplete and Completed Secondary1985: 73.4 Incomplete and Completed Secondary1990: 64.7 Incomplete and Completed Secondary1995: 83.2 Incomplete and Completed Secondary2000: 82 Incomplete and Completed Secondary2005: 74.5 Incomplete and Completed Secondary2010: 89.5 Incomplete and Completed Secondary

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

Analysis

Tonga recorded 89.5% for barro-lee: percentage of population age 25-29 with secondary in 2010. That is the highest value across all 11 years on record.

The figure is up 9.1% over ten years.

Over the whole period, barro-lee: percentage of population age 25-29 with secondary in Tonga peaked at 89.5% in 2010 and was at its lowest, 42.0%, in 1960.

Tonga ranks 4th of 144 countries on this measure, 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 25-29 with secondary in Tonga, year by year

Annual values for Barro-Lee: Percentage of population age 25-29 with secondary schooling. Total (Incomplete and Completed Secondary) in Tonga, 1960 to 2010.
Year Incomplete and Completed Secondary Change
1960 42.0%
1965 42.0% +0.0%
1970 42.0% +0.0%
1975 42.0% +0.0%
1980 73.4% +74.5%
1985 73.4% +0.0%
1990 64.7% -11.8%
1995 83.2% +28.5%
2000 82.0% -1.4%
2005 74.5% -9.2%
2010 89.5% +20.1%

Averages by decade

DecadeAverage LowestHighest Years
1960s 42.0% 42.0% 42.0% 2
1970s 42.0% 42.0% 42.0% 2
1980s 73.4% 73.4% 73.4% 2
1990s 73.9% 64.7% 83.2% 2
2000s 78.3% 74.5% 82.0% 2
2010s 89.5% 89.5% 89.5% 1

Countries ranked near Tonga

  1. 1 Botswana 94.9% compare
  2. 2 Albania 90.8% compare
  3. 3 Barbados 89.6% compare
  4. 5 South Africa 85.7% compare
  5. 6 Kazakhstan 83.8% compare
  6. 7 Belize 83.2% 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 25-29 with secondary in Tonga?
Barro-lee: percentage of population age 25-29 with secondary in Tonga was 89.5% 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 25-29 with secondary recorded in Tonga?
The highest recorded value was 89.5% in 2010.
What is the lowest barro-lee: percentage of population age 25-29 with secondary recorded in Tonga?
The lowest recorded value was 42.0% in 1960.
How does Tonga rank for barro-lee: percentage of population age 25-29 with secondary?
Tonga ranks 4th out of 144 countries with data for 2010.
Is barro-lee: percentage of population age 25-29 with secondary rising or falling in Tonga?
Over the last ten years it is up 9.1%. 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 25-29 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 25-29 with secondary in Tonga. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 04 September 2026, from https://education.statizoid.com/stat/barro-lee-percentage-of-population-age-25-29-with-secondary-schooling-total-incomplete/tonga/

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About this data

Indicator
Barro-Lee: Percentage of population age 25-29 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 25-29 with secondary schooling. Total (Incomplete and Completed Secondary)