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

Tonga: Barro-Lee: Percentage of population age 25-29 with secondary was 65.5% in 2010. ◆ Volatile

Latest (2010)
65.5%
World rank
7th
of 144 countries
All-time high
65.5%
in 2010
All-time low
4.7%
in 1960
Years of data
11
1960–2010

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

02040601960198520101960: 4.71965: 4.71970: 5.41975: 5.41980: 13.71985: 13.71990: 12.91995: 16.62000: 16.82005: 18.12010: 65.5

Source: Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/.

Analysis

In 2010, barro-lee: percentage of population age 25-29 with secondary in Tonga stood at 65.5%. That is the highest value across all 11 years on record.

That represents a change of up 290.2% over ten years.

Over the whole period, barro-lee: percentage of population age 25-29 with secondary in Tonga peaked at 65.5% in 2010 and was at its lowest, 4.7%, in 1960.

Tonga ranks 7th of 144 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

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. Completed Secondary in Tonga, 1960 to 2010.
Year Value Change
1960 4.7%
1965 4.7% +0.0%
1970 5.4% +13.9%
1975 5.4% +0.0%
1980 13.7% +152.8%
1985 13.7% +0.0%
1990 12.9% -5.5%
1995 16.6% +28.5%
2000 16.8% +1.3%
2005 18.1% +7.7%
2010 65.5% +262.2%

Averages by decade

DecadeAverage LowestHighest Years
1960s 4.7% 4.7% 4.7% 2
1970s 5.4% 5.4% 5.4% 2
1980s 13.7% 13.7% 13.7% 2
1990s 14.7% 12.9% 16.6% 2
2000s 17.5% 16.8% 18.1% 2
2010s 65.5% 65.5% 65.5% 1

Countries ranked near Tonga

  1. 4 Kyrgyzstan 68.9% compare
  2. 5 Croatia 67.0% compare
  3. 6 Czechia 67.0% compare
  4. 8 Slovenia 65.2% compare
  5. 9 Serbia 64.2% compare
  6. 10 Austria 64.2% 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 65.5% 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 65.5% in 2010.
What is the lowest barro-lee: percentage of population age 25-29 with secondary recorded in Tonga?
The lowest recorded value was 4.7% in 1960.
How does Tonga rank for barro-lee: percentage of population age 25-29 with secondary?
Tonga ranks 7th 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 290.2%. The long-run trend across the full record is volatile.
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. 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 03 September 2026, from https://education.statizoid.com/stat/barro-lee-percentage-of-population-age-25-29-with-secondary-schooling-completed-secondary/tonga/

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About this data

Indicator
Barro-Lee: Percentage of population age 25-29 with secondary schooling. 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. Completed Secondary