How many years of comparable data are there for Costa Rica and Iraq?

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.

Costa Rica vs Iraq: Barro-Lee: Average years of secondary schooling, age 25+, total

Costa Rica

1.97

in 2010

Iraq

in 2010

Costa Rica rank

97th

Iraq rank

96th

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

Costa Rica
Iraq

How they compare

Iraq currently reports 2 against 1.97 in Costa Rica, a difference of 0.03.

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

Costa Rica ranks 97th and Iraq ranks 96th of 144 countries.

Across the 6 decades both report, Costa Rica averaged higher in 5 and Iraq in 1.

Head to head by decade

Decade	Costa Rica	Iraq	Difference	Ahead
1960s	0.415	0.12	0.295	Costa Rica
1970s	0.58	0.245	0.335	Costa Rica
1980s	1.03	0.545	0.485	Costa Rica
1990s	1.55	1.18	0.38	Costa Rica
2000s	1.97	1.7	0.265	Costa Rica
2010s	1.97	2	0.03	Iraq

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, Costa Rica or Iraq?: Iraq, at 2 against 1.97 in Costa Rica as of 2010.
What is the difference in barro-lee: average years of secondary schooling, age 25+, total between Costa Rica and Iraq?: 0.03, with Iraq ahead.
How many years of comparable data are there for Costa Rica and Iraq?: 11 years are reported by both, from 1960 to 2010.
How do Costa Rica and Iraq rank globally for barro-lee: average years of secondary schooling, age 25+, total?: Costa Rica ranks 97th and Iraq ranks 96th 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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Costa Rica vs Iraq: 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 09 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-25-total/costa-rica/iraq/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-25-total/costa-rica/iraq/">Costa Rica vs Iraq: 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.