Bulgaria vs Tonga: Barro-Lee: Percentage of population age 25+ with secondary schooling.

Bulgaria
46.9%
in 2010
Tonga
47.9%
in 2010
Bulgaria rank
22nd
Tonga rank
19th

Barro-Lee: Percentage of population age 25+ with secondary schooling. over time

  • Bulgaria
  • Tonga
01020304050196019852010

How they compare

Tonga currently reports 47.9% against 46.9% in Bulgaria, a difference of 1.0%.

The two have swapped places 1 time across 11 shared years of data; in 1960 it was Bulgaria ahead.

Bulgaria ranks 22nd and Tonga ranks 19th of 144 countries.

Across the 6 decades both report, Bulgaria averaged higher in 5 and Tonga in 1.

Head to head by decade

Decade Bulgaria Tonga Difference Ahead
1960s 5.5% 4.3% 1.2% Bulgaria
1970s 8.0% 4.4% 3.6% Bulgaria
1980s 14.7% 6.5% 8.2% Bulgaria
1990s 20.9% 9.6% 11.3% Bulgaria
2000s 31.4% 10.9% 20.5% Bulgaria
2010s 46.9% 47.9% 1.0% Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: percentage of population age 25+ with secondary schooling., Bulgaria or Tonga?
Tonga, at 47.9% against 46.9% in Bulgaria as of 2010.
What is the difference in barro-lee: percentage of population age 25+ with secondary schooling. between Bulgaria and Tonga?
1.0%, with Tonga ahead.
How many years of comparable data are there for Bulgaria and Tonga?
11 years are reported by both, from 1960 to 2010.
How do Bulgaria and Tonga rank globally for barro-lee: percentage of population age 25+ with secondary schooling.?
Bulgaria ranks 22nd and Tonga ranks 19th of 144 countries.
Where does this data come from?
Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/, published as Barro-Lee: Percentage of population age 25+ with secondary schooling. Completed Secondary. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Tonga: Barro-Lee: Percentage of population age 25+ with secondary schooling.. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 05 September 2026, from https://education.statizoid.com/compare/barro-lee-percentage-of-population-age-25-with-secondary-schooling-completed-secondary/bulgaria/tonga/

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<a href="https://education.statizoid.com/compare/barro-lee-percentage-of-population-age-25-with-secondary-schooling-completed-secondary/bulgaria/tonga/">Bulgaria vs Tonga: Barro-Lee: Percentage of population age 25+ with secondary schooling.</a> — Statizoid

About this data

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