Barro-Lee: Percentage of population age 75+ with secondary schooling. in Tonga

Tonga: Barro-Lee: Percentage of population age 75+ with secondary schooling. was 50.6% in 2010. ▲ Rising

Latest (2010)
50.6%
World rank
22nd
of 144 countries
All-time high
86.0%
in 1995
All-time low
24.5%
in 1960
Years of data
11
1960–2010

Barro-Lee: Percentage of population age 75+ with secondary schooling. in Tonga, 1960–2010

204060801960198520101960: 24.5 Incomplete and Completed Secondary1965: 26.3 Incomplete and Completed Secondary1970: 35.4 Incomplete and Completed Secondary1975: 37.5 Incomplete and Completed Secondary1980: 39.8 Incomplete and Completed Secondary1985: 42 Incomplete and Completed Secondary1990: 62.7 Incomplete and Completed Secondary1995: 86 Incomplete and Completed Secondary2000: 48.8 Incomplete and Completed Secondary2005: 29.7 Incomplete and Completed Secondary2010: 50.6 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 50.6% for barro-lee: percentage of population age 75+ with secondary schooling. in 2010.

That represents a change of up 3.8% over ten years.

Over the whole period, barro-lee: percentage of population age 75+ with secondary schooling. in Tonga peaked at 86.0% in 1995 and was at its lowest, 24.5%, in 1960.

That places Tonga 22nd out of 144 countries with data for 2010, putting it in the top quarter.

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

Barro-Lee: Percentage of population age 75+ with secondary schooling. in Tonga, year by year

Annual values for Barro-Lee: Percentage of population age 75+ with secondary schooling. Total (Incomplete and Completed Secondary) in Tonga, 1960 to 2010.
Year Incomplete and Completed Secondary Change
1960 24.5%
1965 26.3% +7.4%
1970 35.4% +34.5%
1975 37.5% +6.2%
1980 39.8% +5.9%
1985 42.0% +5.7%
1990 62.7% +49.1%
1995 86.0% +37.3%
2000 48.8% -43.3%
2005 29.7% -39.1%
2010 50.6% +70.4%

Averages by decade

DecadeAverage LowestHighest Years
1960s 25.4% 24.5% 26.3% 2
1970s 36.5% 35.4% 37.5% 2
1980s 40.9% 39.8% 42.0% 2
1990s 74.4% 62.7% 86.0% 2
2000s 39.2% 29.7% 48.8% 2
2010s 50.6% 50.6% 50.6% 1

Countries ranked near Tonga

  1. 19 United States 54.3% compare
  2. 20 Denmark 52.9% compare
  3. 21 Estonia 51.6% compare
  4. 23 Canada 50.4% compare
  5. 24 Austria 48.1% compare
  6. 25 Croatia 47.6% compare

See the full ranking of 144 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is barro-lee: percentage of population age 75+ with secondary schooling. in Tonga?
Barro-lee: percentage of population age 75+ with secondary schooling. in Tonga was 50.6% 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 75+ with secondary schooling. recorded in Tonga?
The highest recorded value was 86.0% in 1995.
What is the lowest barro-lee: percentage of population age 75+ with secondary schooling. recorded in Tonga?
The lowest recorded value was 24.5% in 1960.
How does Tonga rank for barro-lee: percentage of population age 75+ with secondary schooling.?
Tonga ranks 22nd out of 144 countries with data for 2010.
Is barro-lee: percentage of population age 75+ with secondary schooling. rising or falling in Tonga?
Over the last ten years it is up 3.8%. 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 75+ 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 75+ with secondary schooling. in Tonga. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 27 August 2026, from https://reference.statizoid.com/stat/barro-lee-percentage-of-population-age-75-with-secondary-schooling-total-incomplete-and/tonga/

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About this data

Indicator
Barro-Lee: Percentage of population age 75+ 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 75+ with secondary schooling. Total (Incomplete and Completed Secondary)