Barro-Lee: Percentage of population age 15+ with secondary schooling. in Tonga

Tonga: Barro-Lee: Percentage of population age 15+ with secondary schooling. was 49.9% in 2010. ◆ Volatile

Latest (2010)
49.9%
World rank
16th
of 144 countries
All-time high
49.9%
in 2010
All-time low
3.9%
in 1960
Years of data
11
1960–2010

Barro-Lee: Percentage of population age 15+ with secondary schooling. in Tonga, 1960–2010

010203040501960198520101960: 3.91965: 4.21970: 51975: 6.61980: 7.61985: 8.41990: 10.51995: 11.72000: 11.82005: 122010: 49.9

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

Analysis

The most recent figure for barro-lee: percentage of population age 15+ with secondary schooling. in Tonga is 49.9%, measured in 2010. That is the highest value across all 11 years on record.

Compared with earlier readings it is up 321.3% over ten years.

Over the whole period, barro-lee: percentage of population age 15+ with secondary schooling. in Tonga peaked at 49.9% in 2010 and was at its lowest, 3.9%, in 1960.

That places Tonga 16th out of 144 countries with data for 2010, putting it in the top quarter.

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

Barro-Lee: Percentage of population age 15+ with secondary schooling. in Tonga, year by year

Annual values for Barro-Lee: Percentage of population age 15+ with secondary schooling. Completed Secondary in Tonga, 1960 to 2010.
Year Value Change
1960 3.9%
1965 4.2% +8.5%
1970 5.0% +18.2%
1975 6.6% +31.5%
1980 7.6% +15.2%
1985 8.4% +11.8%
1990 10.5% +24.1%
1995 11.7% +11.7%
2000 11.8% +1.0%
2005 12.0% +1.4%
2010 49.9% +315.7%

Averages by decade

DecadeAverage LowestHighest Years
1960s 4.1% 3.9% 4.2% 2
1970s 5.8% 5.0% 6.6% 2
1980s 8.0% 7.6% 8.4% 2
1990s 11.1% 10.5% 11.7% 2
2000s 11.9% 11.8% 12.0% 2
2010s 49.9% 49.9% 49.9% 1

Countries ranked near Tonga

  1. 13 Romania 51.3% compare
  2. 14 Lithuania 51.2% compare
  3. 15 Trinidad and Tobago 50.5% compare
  4. 17 Croatia 49.9% compare
  5. 18 Serbia 48.7% compare
  6. 19 Switzerland 48.3% 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 15+ with secondary schooling. in Tonga?
Barro-lee: percentage of population age 15+ with secondary schooling. in Tonga was 49.9% 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 15+ with secondary schooling. recorded in Tonga?
The highest recorded value was 49.9% in 2010.
What is the lowest barro-lee: percentage of population age 15+ with secondary schooling. recorded in Tonga?
The lowest recorded value was 3.9% in 1960.
How does Tonga rank for barro-lee: percentage of population age 15+ with secondary schooling.?
Tonga ranks 16th out of 144 countries with data for 2010.
Is barro-lee: percentage of population age 15+ with secondary schooling. rising or falling in Tonga?
Over the last ten years it is up 321.3%. 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 15+ with secondary schooling. Completed Secondary. Statizoid updates them automatically from the source API.

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Barro-Lee: Percentage of population age 15+ with secondary schooling. in Tonga. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 02 September 2026, from https://education.statizoid.com/stat/barro-lee-percentage-of-population-age-15-with-secondary-schooling-completed-secondary/tonga/

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About this data

Indicator
Barro-Lee: Percentage of population age 15+ 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 15+ with secondary schooling. Completed Secondary