Barro-Lee: Average years of tertiary schooling, age 15+, total in Tonga

Tonga: Barro-Lee: Average years of tertiary schooling, age 15+, total was 0.16 in 2010. ◆ Volatile

Latest (2010)
0.16
World rank
100th
of 144 countries
All-time high
0.32
in 2005
All-time low
0.05
in 1970
Years of data
11
1960–2010

Barro-Lee: Average years of tertiary schooling, age 15+, total in Tonga, 1960–2010

00.10.20.31960198520101960: 0.061965: 0.061970: 0.051975: 0.061980: 0.071985: 0.071990: 0.141995: 0.192000: 0.262005: 0.322010: 0.16

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

Analysis

In 2010, barro-lee: average years of tertiary schooling, age 15+, total in Tonga stood at 0.16.

That represents a change of down 38.5% over ten years.

Over the whole period, barro-lee: average years of tertiary schooling, age 15+, total in Tonga peaked at 0.32 in 2005 and was at its lowest, 0.05, in 1970.

That places Tonga 100th out of 144 countries with data for 2010, putting it in the middle of the range.

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

Barro-Lee: Average years of tertiary schooling, age 15+, total in Tonga, year by year

Annual values for Barro-Lee: Average years of tertiary schooling, age 15+, total in Tonga, 1960 to 2010.
Year Value Change
1960 0.06
1965 0.06 +0.0%
1970 0.05 -16.7%
1975 0.06 +20.0%
1980 0.07 +16.7%
1985 0.07 +0.0%
1990 0.14 +100.0%
1995 0.19 +35.7%
2000 0.26 +36.8%
2005 0.32 +23.1%
2010 0.16 -50.0%

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.06 0.06 0.06 2
1970s 0.055 0.05 0.06 2
1980s 0.07 0.07 0.07 2
1990s 0.165 0.14 0.19 2
2000s 0.29 0.26 0.32 2
2010s 0.16 0.16 0.16 1

Countries ranked near Tonga

  1. 98 Belize 0.18 compare
  2. 98 Viet Nam 0.18 compare
  3. 101 China 0.14 compare
  4. 101 Syrian Arab Republic 0.14 compare
  5. 103 Bangladesh 0.13 compare
  6. 103 Barbados 0.13 compare
  7. 103 Mauritius 0.13 compare

See the full ranking of 144 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is barro-lee: average years of tertiary schooling, age 15+, total in Tonga?
Barro-lee: average years of tertiary schooling, age 15+, total in Tonga was 0.16 in 2010, according to Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/.
What is the highest barro-lee: average years of tertiary schooling, age 15+, total recorded in Tonga?
The highest recorded value was 0.32 in 2005.
What is the lowest barro-lee: average years of tertiary schooling, age 15+, total recorded in Tonga?
The lowest recorded value was 0.05 in 1970.
How does Tonga rank for barro-lee: average years of tertiary schooling, age 15+, total?
Tonga ranks 100th out of 144 countries with data for 2010.
Is barro-lee: average years of tertiary schooling, age 15+, total rising or falling in Tonga?
Over the last ten years it is down 38.5%. 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: Average years of tertiary schooling, age 15+, total. Statizoid updates them automatically from the source API.

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Barro-Lee: Average years of tertiary schooling, age 15+, total in Tonga. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 22 August 2026, from https://education.statizoid.com/stat/barro-lee-average-years-of-tertiary-schooling-age-15-total/tonga/

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About this data

Indicator
Barro-Lee: Average years of tertiary schooling, age 15+, total
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

Average years of tertiary schooling, 15+, total is the average years of tertiary education completed among people over age 15.