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

Tonga: Barro-Lee: Percentage of population age 75+ with secondary schooling. was 15.1% in 2010. ◆ Volatile

Latest (2010)
15.1%
World rank
41st
of 144 countries
All-time high
15.1%
in 2010
All-time low
2.0%
in 1970
Years of data
11
1960–2010

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

0510151960198520101960: 2.41965: 2.61970: 21975: 2.21980: 2.61985: 3.81990: 5.81995: 8.52000: 5.12005: 3.32010: 15.1

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

Analysis

Tonga recorded 15.1% for barro-lee: percentage of population age 75+ with secondary schooling. in 2010. That is the highest value across all 11 years on record.

Compared with earlier readings it is up 195.3% over ten years.

Over the whole period, barro-lee: percentage of population age 75+ with secondary schooling. in Tonga peaked at 15.1% in 2010 and was at its lowest, 2.0%, in 1970.

Tonga ranks 41st of 144 countries on this measure, in the middle of the range.

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

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. Completed Secondary in Tonga, 1960 to 2010.
Year Value Change
1960 2.4%
1965 2.6% +8.8%
1970 2.0% -21.2%
1975 2.2% +6.4%
1980 2.6% +20.3%
1985 3.8% +45.6%
1990 5.8% +53.7%
1995 8.5% +45.5%
2000 5.1% -39.9%
2005 3.3% -35.4%
2010 15.1% +357.3%

Averages by decade

DecadeAverage LowestHighest Years
1960s 2.5% 2.4% 2.6% 2
1970s 2.1% 2.0% 2.2% 2
1980s 3.2% 2.6% 3.8% 2
1990s 7.2% 5.8% 8.5% 2
2000s 4.2% 3.3% 5.1% 2
2010s 15.1% 15.1% 15.1% 1

Countries ranked near Tonga

  1. 38 Chile 15.9% compare
  2. 39 Finland 15.5% compare
  3. 40 Republic of Moldova 15.4% compare
  4. 42 Mauritius 14.8% compare
  5. 43 Romania 13.7% compare
  6. 44 Viet Nam 13.7% 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 15.1% 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 15.1% in 2010.
What is the lowest barro-lee: percentage of population age 75+ with secondary schooling. recorded in Tonga?
The lowest recorded value was 2.0% in 1970.
How does Tonga rank for barro-lee: percentage of population age 75+ with secondary schooling.?
Tonga ranks 41st 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 195.3%. 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 75+ with secondary schooling. 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 26 August 2026, from https://reference.statizoid.com/stat/barro-lee-percentage-of-population-age-75-with-secondary-schooling-completed-secondary/tonga/

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About this data

Indicator
Barro-Lee: Percentage of population age 75+ 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 75+ with secondary schooling. Completed Secondary