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

22 years are reported by both, from 1999 to 2020.

Where does this data come from?

UNESCO Institute for Statistics, published as School age population, last grade of primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Sudan: School age population, last grade of primary education, both sexes

Iran, Islamic Republic of

1.25 million number

in 2020

Sudan

1.07 million number

in 2020

Iran, Islamic Republic of rank

19th

Sudan rank

22nd

School age population, last grade of primary education, both sexes over time

Iran, Islamic Republic of
Sudan

How they compare

Iran, Islamic Republic of currently reports 1.25 million number against 1.07 million number in Sudan, a difference of 179,980 number.

That makes Iran, Islamic Republic of's figure about 1.2 times Sudan's.

Across all 22 years both countries report, Iran, Islamic Republic of has been ahead every year.

Iran, Islamic Republic of ranks 19th and Sudan ranks 22nd of 204 countries.

Iran, Islamic Republic of has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Sudan	Difference	Ahead
1990s	1.87 million number	652,681 number	1.21 million number	Iran, Islamic Republic of
2000s	1.44 million number	758,650 number	679,973 number	Iran, Islamic Republic of
2010s	1.13 million number	963,069 number	171,391 number	Iran, Islamic Republic of
2020s	1.25 million number	1.07 million number	179,980 number	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, last grade of primary education, both sexes, Iran, Islamic Republic of or Sudan?: Iran, Islamic Republic of, at 1.25 million number against 1.07 million number in Sudan as of 2020.
What is the difference in school age population, last grade of primary education, both sexes between Iran, Islamic Republic of and Sudan?: 179,980 number, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Sudan?: 22 years are reported by both, from 1999 to 2020.
How do Iran, Islamic Republic of and Sudan rank globally for school age population, last grade of primary education, both sexes?: Iran, Islamic Republic of ranks 19th and Sudan ranks 22nd of 204 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, last grade of primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Sudan: School age population, last grade of primary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 14 September 2026, from https://education.statizoid.com/compare/school-age-population-last-grade-of-primary-education-both-sexes-number/iran-islamic-rep/sudan/

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<a href="https://education.statizoid.com/compare/school-age-population-last-grade-of-primary-education-both-sexes-number/iran-islamic-rep/sudan/">Iran, Islamic Republic of vs Sudan: School age population, last grade of primary education, both sexes</a> — Statizoid

About this data

Indicator: School age population, last grade of primary education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 249 places, 12,245 data points, 1970–2020
Last refreshed: 04 September 2026

Population of the age-group theoretically corresponding to the last grade of primary school as indicated by theoretical entrance age and duration.