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

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 30-34, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gabon vs Iran, Islamic Republic of: Barro-Lee: Average years of total schooling, age 30-34, total

Gabon

9.18

in 2010

Iran, Islamic Republic of

9.01

in 2010

Gabon rank

78th

Iran, Islamic Republic of rank

81st

Barro-Lee: Average years of total schooling, age 30-34, total over time

Gabon
Iran, Islamic Republic of

How they compare

Gabon currently reports 9.18 against 9.01 in Iran, Islamic Republic of, a difference of 0.17.

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

Gabon ranks 78th and Iran, Islamic Republic of ranks 81st of 144 countries.

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

Head to head by decade

Decade	Gabon	Iran, Islamic Republic of	Difference	Ahead
1960s	0.74	1.06	0.325	Iran, Islamic Republic of
1970s	2.29	1.99	0.3	Gabon
1980s	4.78	4.2	0.58	Gabon
1990s	7.4	6.66	0.745	Gabon
2000s	8.71	7.83	0.885	Gabon
2010s	9.18	9.01	0.17	Gabon

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of total schooling, age 30-34, total, Gabon or Iran, Islamic Republic of?: Gabon, at 9.18 against 9.01 in Iran, Islamic Republic of as of 2010.
What is the difference in barro-lee: average years of total schooling, age 30-34, total between Gabon and Iran, Islamic Republic of?: 0.17, with Gabon ahead.
How many years of comparable data are there for Gabon and Iran, Islamic Republic of?: 11 years are reported by both, from 1960 to 2010.
How do Gabon and Iran, Islamic Republic of rank globally for barro-lee: average years of total schooling, age 30-34, total?: Gabon ranks 78th and Iran, Islamic Republic of ranks 81st 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 30-34, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gabon vs Iran, Islamic Republic of: Barro-Lee: Average years of total schooling, age 30-34, 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-total-schooling-age-30-34-total/gabon/iran-islamic-rep/

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About this data

Indicator: Barro-Lee: Average years of total schooling, age 30-34, 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, 30-34, total is the average years of education completed among people age 30-34.