How many years of comparable data are there for IDA only and Iran?

22 years are reported by both, from 1998 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Population of compulsory school age, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

IDA only vs Iran: Population of compulsory school age, both sexes

IDA only

180.50 million number

in 2019

Iran

11.19 million number

in 2019

IDA only rank

20th

Iran rank

18th

Population of compulsory school age, both sexes over time

IDA only
Iran

How they compare

IDA only currently reports 180.50 million number against 11.19 million number in Iran, a difference of 169.31 million number.

That makes IDA only's figure about 16.1 times Iran's.

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

IDA only ranks 20th and Iran ranks 18th of 43 groups.

IDA only has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	IDA only	Iran	Difference	Ahead
1990s	96.05 million number	8.81 million number	87.23 million number	IDA only
2000s	118.02 million number	8.65 million number	109.37 million number	IDA only
2010s	164.71 million number	10.13 million number	154.58 million number	IDA only

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population of compulsory school age, both sexes, IDA only or Iran?: IDA only, at 180.50 million number against 11.19 million number in Iran as of 2019.
What is the difference in population of compulsory school age, both sexes between IDA only and Iran?: 169.31 million number, with IDA only ahead.
How many years of comparable data are there for IDA only and Iran?: 22 years are reported by both, from 1998 to 2019.
How do IDA only and Iran rank globally for population of compulsory school age, both sexes?: IDA only ranks 20th and Iran ranks 18th of 43 groups.
Where does this data come from?: UNESCO Institute for Statistics, published as Population of compulsory school age, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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IDA only vs Iran: Population of compulsory school age, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://reference.statizoid.com/compare/population-of-compulsory-school-age-both-sexes-number/ida-only/iran-islamic-rep/

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<a href="https://reference.statizoid.com/compare/population-of-compulsory-school-age-both-sexes-number/ida-only/iran-islamic-rep/">IDA only vs Iran: Population of compulsory school age, both sexes</a> — Statizoid

About this data

Indicator: Population of compulsory school age, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 231 places, 4,849 data points, 1975–2020
Last refreshed: 21 August 2026

Population of children within the age span that children are legally obliged to attend school.