How many years of comparable data are there for Iran 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, one year before than official primary entry age, female (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran vs Sudan: School age population, one year before than official … female than

Iran

685,326 number

in 2020

Sudan

582,449 number

in 2020

Iran rank

19th

Sudan rank

21st

School age population, one year before than official … female than over time

Iran
Sudan

How they compare

Iran currently reports 685,326 number against 582,449 number in Sudan, a difference of 102,877 number.

That makes Iran's figure about 1.2 times Sudan's.

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

Iran ranks 19th and Sudan ranks 21st of 202 countries.

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

Head to head by decade

Decade	Iran	Sudan	Difference	Ahead
1990s	718,717 number	398,343 number	320,374 number	Iran
2000s	576,489 number	452,478 number	124,011 number	Iran
2010s	617,612 number	540,045 number	77,567 number	Iran
2020s	685,326 number	582,449 number	102,877 number	Iran

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, one year before than official primary entry, Iran or Sudan?: Iran, at 685,326 number against 582,449 number in Sudan as of 2020.
What is the difference in school age population, one year before than official primary entry between Iran and Sudan?: 102,877 number, with Iran ahead.
How many years of comparable data are there for Iran and Sudan?: 22 years are reported by both, from 1999 to 2020.
How do Iran and Sudan rank globally for school age population, one year before than official primary entry?: Iran ranks 19th and Sudan ranks 21st of 202 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, one year before than official primary entry age, female (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Sudan: School age population, one year before than official primary entry. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 11 October 2026, from https://reference.statizoid.com/compare/school-age-population-one-year-before-than-official-primary-entry-age-female-number/iran-islamic-rep/sudan/

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<a href="https://reference.statizoid.com/compare/school-age-population-one-year-before-than-official-primary-entry-age-female-number/iran-islamic-rep/sudan/">Iran vs Sudan: School age population, one year before than official primary entry</a> — Statizoid

About this data

Indicator: School age population, one year before than official primary entry age, female (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 247 places, 12,237 data points, 1970–2020
Last refreshed: 02 October 2026

Female population of the age-group theoretically corresponding to one year before the official primary entry age as indicated by theoretical entrance age and duration. For more information, consult the UNESCO Institute of Statistics website: http://www.uis.unesco.org/Education/