How many years of comparable data are there for Iran, Islamic Republic of and Tunisia?

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.

Iran, Islamic Republic of vs Tunisia: Barro-Lee: Average years of primary schooling, age 15+, total

Iran, Islamic Republic of

4.32

in 2010

Tunisia

4.42

in 2010

Iran, Islamic Republic of rank

96th

Tunisia rank

94th

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

Iran, Islamic Republic of
Tunisia

How they compare

Tunisia currently reports 4.42 against 4.32 in Iran, Islamic Republic of, a difference of 0.1.

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

Iran, Islamic Republic of ranks 96th and Tunisia ranks 94th of 144 countries.

Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 5 and Tunisia in 1.

Head to head by decade

Decade	Iran, Islamic Republic of	Tunisia	Difference	Ahead
1960s	0.85	0.77	0.08	Iran, Islamic Republic of
1970s	1.54	1.5	0.045	Iran, Islamic Republic of
1980s	2.51	2.42	0.1	Iran, Islamic Republic of
1990s	3.35	3.12	0.24	Iran, Islamic Republic of
2000s	4.07	3.94	0.13	Iran, Islamic Republic of
2010s	4.32	4.42	0.1	Tunisia

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, Iran, Islamic Republic of or Tunisia?: Tunisia, at 4.42 against 4.32 in Iran, Islamic Republic of as of 2010.
What is the difference in barro-lee: average years of primary schooling, age 15+, total between Iran, Islamic Republic of and Tunisia?: 0.1, with Tunisia ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Tunisia?: 11 years are reported by both, from 1960 to 2010.
How do Iran, Islamic Republic of and Tunisia rank globally for barro-lee: average years of primary schooling, age 15+, total?: Iran, Islamic Republic of ranks 96th and Tunisia ranks 94th 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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Iran, Islamic Republic of vs Tunisia: 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 06 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-15-total/iran-islamic-rep/tunisia/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-primary-schooling-age-15-total/iran-islamic-rep/tunisia/">Iran, Islamic Republic of vs Tunisia: 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: 04 September 2026

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