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

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 15+, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

Iran, Islamic Republic of

3.88

in 2010

Jamaica

3.93

in 2010

Iran, Islamic Republic of rank

47th

Jamaica rank

46th

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

Iran, Islamic Republic of
Jamaica

How they compare

Jamaica currently reports 3.93 against 3.88 in Iran, Islamic Republic of, a difference of 0.05.

The two have swapped places 2 times across 11 shared years of data; in 1960 it was Jamaica ahead.

Iran, Islamic Republic of ranks 47th and Jamaica ranks 46th of 144 countries.

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

Head to head by decade

Decade	Iran, Islamic Republic of	Jamaica	Difference	Ahead
1960s	0.295	0.385	0.09	Jamaica
1970s	0.745	0.7	0.045	Iran, Islamic Republic of
1980s	1.38	1.46	0.09	Jamaica
1990s	2.19	2.39	0.205	Jamaica
2000s	3.21	3.62	0.41	Jamaica
2010s	3.88	3.93	0.05	Jamaica

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of secondary schooling, age 15+, total, Iran, Islamic Republic of or Jamaica?: Jamaica, at 3.93 against 3.88 in Iran, Islamic Republic of as of 2010.
What is the difference in barro-lee: average years of secondary schooling, age 15+, total between Iran, Islamic Republic of and Jamaica?: 0.05, with Jamaica ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Jamaica?: 11 years are reported by both, from 1960 to 2010.
How do Iran, Islamic Republic of and Jamaica rank globally for barro-lee: average years of secondary schooling, age 15+, total?: Iran, Islamic Republic of ranks 47th and Jamaica ranks 46th 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 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 Jamaica: Barro-Lee: Average years of secondary schooling, age 15+, total. Statizoid, drawing on Robert J. Barro and Jong-Wha Lee: http://www.barrolee.com/. Retrieved 07 September 2026, from https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-15-total/iran-islamic-rep/jamaica/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-secondary-schooling-age-15-total/iran-islamic-rep/jamaica/">Iran, Islamic Republic of vs Jamaica: Barro-Lee: Average years of secondary schooling, age 15+, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of secondary 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 secondary schooling, 15+, total is the average years of secondary education completed among people over age 15.