How many years of comparable data are there for Iran, Islamic Republic of 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 primary schooling, age 25-29, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Iraq: Barro-Lee: Average years of primary schooling, age 25-29, total

Iran, Islamic Republic of

4.53

in 2010

Iraq

4.57

in 2010

Iran, Islamic Republic of rank

98th

Iraq rank

97th

Barro-Lee: Average years of primary schooling, age 25-29, total over time

Iran, Islamic Republic of
Iraq

How they compare

Iraq currently reports 4.57 against 4.53 in Iran, Islamic Republic of, a difference of 0.04.

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

Iran, Islamic Republic of ranks 98th and Iraq ranks 97th of 144 countries.

Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 4 and Iraq in 2.

Head to head by decade

Decade	Iran, Islamic Republic of	Iraq	Difference	Ahead
1960s	0.88	0.445	0.435	Iran, Islamic Republic of
1970s	1.86	1.31	0.555	Iran, Islamic Republic of
1980s	2.98	2.71	0.275	Iran, Islamic Republic of
1990s	4.05	3.91	0.145	Iran, Islamic Republic of
2000s	4.32	4.98	0.66	Iraq
2010s	4.53	4.57	0.04	Iraq

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of primary schooling, age 25-29, total, Iran, Islamic Republic of or Iraq?: Iraq, at 4.57 against 4.53 in Iran, Islamic Republic of as of 2010.
What is the difference in barro-lee: average years of primary schooling, age 25-29, total between Iran, Islamic Republic of and Iraq?: 0.04, with Iraq ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Iraq?: 11 years are reported by both, from 1960 to 2010.
How do Iran, Islamic Republic of and Iraq rank globally for barro-lee: average years of primary schooling, age 25-29, total?: Iran, Islamic Republic of ranks 98th and Iraq ranks 97th 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 25-29, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Iraq: Barro-Lee: Average years of primary schooling, age 25-29, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 08 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-25-29-total/iran-islamic-rep/iraq/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-25-29-total/iran-islamic-rep/iraq/">Iran, Islamic Republic of vs Iraq: Barro-Lee: Average years of primary schooling, age 25-29, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of primary schooling, age 25-29, 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 primary schooling, 25-29, total is the average years of primary education completed among people age 25-29.