Iran, Islamic Republic of vs Portugal: Average years of schooling

Iran, Islamic Republic of
9.8 years
in 2020
Portugal
9.56 years
in 2020
Iran, Islamic Republic of rank
52nd
Portugal rank
55th

Average years of schooling over time

  • Iran, Islamic Republic of
  • Portugal
0246810187019452020

How they compare

Iran, Islamic Republic of currently reports 9.8 years against 9.56 years in Portugal, a difference of 0.24 years.

The two have swapped places 1 time across 31 shared years of data; in 1870 it was Portugal ahead.

Iran, Islamic Republic of ranks 52nd and Portugal ranks 55th of 111 countries.

Across the 16 decades both report, Iran, Islamic Republic of averaged higher in 2 and Portugal in 14.

Head to head by decade

Decade Iran, Islamic Republic of Portugal Difference Ahead
1870s 0.01 years 0.305 years 0.295 years Portugal
1880s 0.01 years 0.465 years 0.455 years Portugal
1890s 0.01 years 0.655 years 0.645 years Portugal
1900s 0.025 years 0.835 years 0.81 years Portugal
1910s 0.12 years 0.975 years 0.855 years Portugal
1920s 0.235 years 1.21 years 0.98 years Portugal
1930s 0.285 years 1.4 years 1.11 years Portugal
1940s 0.445 years 1.75 years 1.3 years Portugal
1950s 0.66 years 2.1 years 1.45 years Portugal
1960s 1.25 years 2.55 years 1.3 years Portugal
1970s 2.52 years 3.72 years 1.2 years Portugal
1980s 4.25 years 5.77 years 1.52 years Portugal
1990s 6.09 years 7.11 years 1.02 years Portugal
2000s 8.07 years 8.27 years 0.19 years Portugal
2010s 9.26 years 8.93 years 0.335 years Iran, Islamic Republic of
2020s 9.8 years 9.56 years 0.24 years Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average years of schooling, Iran, Islamic Republic of or Portugal?
Iran, Islamic Republic of, at 9.8 years against 9.56 years in Portugal as of 2020.
What is the difference in average years of schooling between Iran, Islamic Republic of and Portugal?
0.24 years, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Portugal?
31 years are reported by both, from 1870 to 2020.
How do Iran, Islamic Republic of and Portugal rank globally for average years of schooling?
Iran, Islamic Republic of ranks 52nd and Portugal ranks 55th of 111 countries.
Where does this data come from?
Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data, published as Average years of schooling. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Portugal: Average years of schooling. Statizoid, drawing on Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data. Retrieved 06 September 2026, from https://education.statizoid.com/compare/mean-years-of-schooling-long-run/iran-islamic-rep/portugal/

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About this data

Indicator
Average years of schooling
Unit
years
Source
Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
111 places, 3,441 data points, 1870–2020
Last refreshed

Average years of formal education for individuals aged 15-64.