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

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 tertiary schooling, age 55-59, total. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Singapore: Barro-Lee: Average years of tertiary schooling, age 55-59, total

Iran, Islamic Republic of

0.56

in 2010

Singapore

0.57

in 2010

Iran, Islamic Republic of rank

40th

Singapore rank

39th

Barro-Lee: Average years of tertiary schooling, age 55-59, total over time

Iran, Islamic Republic of
Singapore

How they compare

Singapore currently reports 0.57 against 0.56 in Iran, Islamic Republic of, a difference of 0.01.

The two have swapped places 4 times across 11 shared years of data; in 1960 it was Singapore ahead.

Iran, Islamic Republic of ranks 40th and Singapore ranks 39th of 144 countries.

Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 3 and Singapore in 3.

Head to head by decade

Decade	Iran, Islamic Republic of	Singapore	Difference	Ahead
1960s	0.015	0.02	0.005	Singapore
1970s	0.03	0.035	0.005	Singapore
1980s	0.045	0.04	0.005	Iran, Islamic Republic of
1990s	0.115	0.07	0.045	Iran, Islamic Republic of
2000s	0.26	0.25	0.01	Iran, Islamic Republic of
2010s	0.56	0.57	0.01	Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher barro-lee: average years of tertiary schooling, age 55-59, total, Iran, Islamic Republic of or Singapore?: Singapore, at 0.57 against 0.56 in Iran, Islamic Republic of as of 2010.
What is the difference in barro-lee: average years of tertiary schooling, age 55-59, total between Iran, Islamic Republic of and Singapore?: 0.01, with Singapore ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Singapore?: 11 years are reported by both, from 1960 to 2010.
How do Iran, Islamic Republic of and Singapore rank globally for barro-lee: average years of tertiary schooling, age 55-59, total?: Iran, Islamic Republic of ranks 40th and Singapore ranks 39th 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 tertiary schooling, age 55-59, 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 Singapore: Barro-Lee: Average years of tertiary schooling, age 55-59, 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-tertiary-schooling-age-55-59-total/iran-islamic-rep/singapore/

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<a href="https://education.statizoid.com/compare/barro-lee-average-years-of-tertiary-schooling-age-55-59-total/iran-islamic-rep/singapore/">Iran, Islamic Republic of vs Singapore: Barro-Lee: Average years of tertiary schooling, age 55-59, total</a> — Statizoid

About this data

Indicator: Barro-Lee: Average years of tertiary schooling, age 55-59, 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 tertiary schooling, 55-59, total is the average years of tertiary education completed among people age 55-59.