How many years of comparable data are there for Poland and Sri Lanka?

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 secondary schooling, age 25+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Poland vs Sri Lanka: Barro-Lee: Average years of secondary schooling, age 25+, total

Poland

3.26

in 2010

Sri Lanka

3.21

in 2010

Poland rank

62nd

Sri Lanka rank

64th

Barro-Lee: Average years of secondary schooling, age 25+, total over time

Poland
Sri Lanka

How they compare

Poland currently reports 3.26 against 3.21 in Sri Lanka, a difference of 0.05.

The two have swapped places 4 times across 11 shared years of data; in 1960 it was Poland ahead.

Poland ranks 62nd and Sri Lanka ranks 64th of 144 countries.

Across the 6 decades both report, Poland averaged higher in 3 and Sri Lanka in 3.

Head to head by decade

Decade	Poland	Sri Lanka	Difference	Ahead
1960s	0.705	0.56	0.145	Poland
1970s	1.16	1.48	0.315	Sri Lanka
1980s	1.31	1.52	0.21	Sri Lanka
1990s	2.29	2.17	0.115	Poland
2000s	3.01	3.17	0.15	Sri Lanka
2010s	3.26	3.21	0.05	Poland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of secondary schooling, age 25+, total, Poland or Sri Lanka?: Poland, at 3.26 against 3.21 in Sri Lanka as of 2010.
What is the difference in barro-lee: average years of secondary schooling, age 25+, total between Poland and Sri Lanka?: 0.05, with Poland ahead.
How many years of comparable data are there for Poland and Sri Lanka?: 11 years are reported by both, from 1960 to 2010.
How do Poland and Sri Lanka rank globally for barro-lee: average years of secondary schooling, age 25+, total?: Poland ranks 62nd and Sri Lanka ranks 64th 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 secondary schooling, age 25+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Poland vs Sri Lanka: Barro-Lee: Average years of secondary schooling, age 25+, total. 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-average-years-of-secondary-schooling-age-25-total/poland/sri-lanka/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-25-total/poland/sri-lanka/">Poland vs Sri Lanka: Barro-Lee: Average years of secondary schooling, age 25+, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of secondary schooling, age 25+, 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 secondary schooling, 25+, total is the average years of secondary education completed among people over age 25.