How many years of comparable data are there for Bulgaria and Viet Nam?

11 years are reported by both, from 1960 to 2010.

Where does this data come from?

Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/, published as Barro-Lee: Average years of primary schooling, age 75+, female. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Viet Nam: Barro-Lee: Average years of primary schooling, age 75+, female

Bulgaria

3.59

in 2010

Viet Nam

3.65

in 2010

Bulgaria rank

53rd

Viet Nam rank

50th

Barro-Lee: Average years of primary schooling, age 75+, female over time

Bulgaria
Viet Nam

How they compare

Viet Nam currently reports 3.65 against 3.59 in Bulgaria, a difference of 0.06.

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

Bulgaria ranks 53rd and Viet Nam ranks 50th of 144 countries.

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

Head to head by decade

Decade	Bulgaria	Viet Nam	Difference	Ahead
1960s	1.7	0.865	0.83	Bulgaria
1970s	1.72	1.2	0.52	Bulgaria
1980s	2.01	1.29	0.725	Bulgaria
1990s	2.7	1.63	1.07	Bulgaria
2000s	3.07	2.56	0.505	Bulgaria
2010s	3.59	3.65	0.06	Viet Nam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of primary schooling, age 75+, female, Bulgaria or Viet Nam?: Viet Nam, at 3.65 against 3.59 in Bulgaria as of 2010.
What is the difference in barro-lee: average years of primary schooling, age 75+, female between Bulgaria and Viet Nam?: 0.06, with Viet Nam ahead.
How many years of comparable data are there for Bulgaria and Viet Nam?: 11 years are reported by both, from 1960 to 2010.
How do Bulgaria and Viet Nam rank globally for barro-lee: average years of primary schooling, age 75+, female?: Bulgaria ranks 53rd and Viet Nam ranks 50th of 144 countries.
Where does this data come from?: Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/, published as Barro-Lee: Average years of primary schooling, age 75+, female. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Viet Nam: Barro-Lee: Average years of primary schooling, age 75+, female. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 31 August 2026, from https://reference.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-75-female/bulgaria/viet-nam/

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<a href="https://reference.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-75-female/bulgaria/viet-nam/">Bulgaria vs Viet Nam: Barro-Lee: Average years of primary schooling, age 75+, female</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of primary schooling, age 75+, female
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: 21 August 2026

Average years of primary schooling, 75+, female is the average years of primary education completed among females over age 75.