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

50 years are reported by both, from 1970 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Official entrance age to pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Algeria vs Iran, Islamic Republic of: Official entrance age to pre-primary education

Algeria

5 years

in 2020

Iran, Islamic Republic of

5 years

in 2019

Algeria rank

2nd

Iran, Islamic Republic of rank

2nd

Official entrance age to pre-primary education over time

Algeria
Iran, Islamic Republic of

How they compare

Algeria currently reports 5 years against 5 years in Iran, Islamic Republic of, a difference of 0 years.

Across all 50 years both countries report, Iran, Islamic Republic of has been ahead every year.

Algeria ranks 2nd and Iran, Islamic Republic of ranks 2nd of 210 countries.

Iran, Islamic Republic of has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Algeria	Iran, Islamic Republic of	Difference	Ahead
1970s	4 years	5 years	1 years	Iran, Islamic Republic of
1980s	4 years	5 years	1 years	Iran, Islamic Republic of
1990s	4 years	5 years	1 years	Iran, Islamic Republic of
2000s	4.4 years	5 years	0.6 years	Iran, Islamic Republic of
2010s	5 years	5 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher official entrance age to pre-primary education, Algeria or Iran, Islamic Republic of?: Algeria, at 5 years against 5 years in Iran, Islamic Republic of as of 2020.
What is the difference in official entrance age to pre-primary education between Algeria and Iran, Islamic Republic of?: 0 years, with Algeria ahead.
How many years of comparable data are there for Algeria and Iran, Islamic Republic of?: 50 years are reported by both, from 1970 to 2019.
How do Algeria and Iran, Islamic Republic of rank globally for official entrance age to pre-primary education?: Algeria ranks 2nd and Iran, Islamic Republic of ranks 2nd of 210 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Official entrance age to pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Algeria vs Iran, Islamic Republic of: Official entrance age to pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 25 August 2026, from https://reference.statizoid.com/compare/official-entrance-age-to-pre-primary-education-years/algeria/iran-islamic-rep/

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About this data

Indicator: Official entrance age to pre-primary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 210 places, 10,271 data points, 1970–2020
Last refreshed: 21 August 2026

Age at which students would enter pre-primary education.