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

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 total schooling, age 20-24, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Kazakhstan: Barro-Lee: Average years of total schooling, age 20-24, total

Bulgaria

11.5

in 2010

Kazakhstan

11.68

in 2010

Bulgaria rank

40th

Kazakhstan rank

37th

Barro-Lee: Average years of total schooling, age 20-24, total over time

Bulgaria
Kazakhstan

How they compare

Kazakhstan currently reports 11.68 against 11.5 in Bulgaria, a difference of 0.18.

The two have swapped places 5 times across 11 shared years of data; in 1960 it was Bulgaria ahead.

Bulgaria ranks 40th and Kazakhstan ranks 37th of 144 countries.

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

Head to head by decade

Decade	Bulgaria	Kazakhstan	Difference	Ahead
1960s	8.43	6.64	1.79	Bulgaria
1970s	8.98	9.78	0.8	Kazakhstan
1980s	10.54	10.61	0.07	Kazakhstan
1990s	9.82	10.87	1.05	Kazakhstan
2000s	10.94	11.3	0.365	Kazakhstan
2010s	11.5	11.68	0.18	Kazakhstan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of total schooling, age 20-24, total, Bulgaria or Kazakhstan?: Kazakhstan, at 11.68 against 11.5 in Bulgaria as of 2010.
What is the difference in barro-lee: average years of total schooling, age 20-24, total between Bulgaria and Kazakhstan?: 0.18, with Kazakhstan ahead.
How many years of comparable data are there for Bulgaria and Kazakhstan?: 11 years are reported by both, from 1960 to 2010.
How do Bulgaria and Kazakhstan rank globally for barro-lee: average years of total schooling, age 20-24, total?: Bulgaria ranks 40th and Kazakhstan ranks 37th 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 total schooling, age 20-24, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Kazakhstan: Barro-Lee: Average years of total schooling, age 20-24, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 07 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-total-schooling-age-20-24-total/bulgaria/kazakhstan/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-total-schooling-age-20-24-total/bulgaria/kazakhstan/">Bulgaria vs Kazakhstan: Barro-Lee: Average years of total schooling, age 20-24, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of total schooling, age 20-24, 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: 04 September 2026

Average years of total schooling, 20-24, total is the average years of education completed among people age 20-24.