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

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 15+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Botswana vs Bulgaria: Barro-Lee: Average years of primary schooling, age 15+, total

Botswana

6.26

in 2010

Bulgaria

6.13

in 2010

Botswana rank

17th

Bulgaria rank

20th

Barro-Lee: Average years of primary schooling, age 15+, total over time

Botswana
Bulgaria

How they compare

Botswana currently reports 6.26 against 6.13 in Bulgaria, a difference of 0.13.

The two have swapped places 3 times across 11 shared years of data; in 1960 it was Bulgaria ahead.

Botswana ranks 17th and Bulgaria ranks 20th of 144 countries.

Across the 6 decades both report, Botswana averaged higher in 2 and Bulgaria in 4.

Head to head by decade

Decade	Botswana	Bulgaria	Difference	Ahead
1960s	1.32	5.71	4.38	Bulgaria
1970s	2.2	3.88	1.68	Bulgaria
1980s	3.36	4.72	1.36	Bulgaria
1990s	5.04	5.1	0.05	Bulgaria
2000s	5.94	5.84	0.09	Botswana
2010s	6.26	6.13	0.13	Botswana

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of primary schooling, age 15+, total, Botswana or Bulgaria?: Botswana, at 6.26 against 6.13 in Bulgaria as of 2010.
What is the difference in barro-lee: average years of primary schooling, age 15+, total between Botswana and Bulgaria?: 0.13, with Botswana ahead.
How many years of comparable data are there for Botswana and Bulgaria?: 11 years are reported by both, from 1960 to 2010.
How do Botswana and Bulgaria rank globally for barro-lee: average years of primary schooling, age 15+, total?: Botswana ranks 17th and Bulgaria ranks 20th 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 15+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Botswana vs Bulgaria: Barro-Lee: Average years of primary schooling, age 15+, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 31 August 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-15-total/botswana/bulgaria/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-15-total/botswana/bulgaria/">Botswana vs Bulgaria: Barro-Lee: Average years of primary schooling, age 15+, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of primary 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: 21 August 2026

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