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

16 years are reported by both, from 1999 to 2016.

Where does this data come from?

UNESCO Institute for Statistics, published as Repeaters in Grade 1 of primary education, female (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Zambia: Repeaters in Grade 1 of primary education, female

Iran, Islamic Republic of

23,395

in 2023

Zambia

23,534

in 2016

Iran, Islamic Republic of rank

27th

Zambia rank

26th

Repeaters in Grade 1 of primary education, female over time

Iran, Islamic Republic of
Zambia

How they compare

Zambia currently reports 23,534 against 23,395 in Iran, Islamic Republic of, a difference of 139.

The two have swapped places 1 time across 16 shared years of data; in 1999 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 27th and Zambia ranks 26th of 199 countries.

Iran, Islamic Republic of has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Zambia	Difference	Ahead
1990s	70,190	5,421	64,769	Iran, Islamic Republic of
2000s	31,128	12,144	18,983	Iran, Islamic Republic of
2010s	19,248	17,324	1,924	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher repeaters in grade 1 of primary education, female, Iran, Islamic Republic of or Zambia?: Zambia, at 23,534 against 23,395 in Iran, Islamic Republic of as of 2016.
What is the difference in repeaters in grade 1 of primary education, female between Iran, Islamic Republic of and Zambia?: 139, with Zambia ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Zambia?: 16 years are reported by both, from 1999 to 2016.
How do Iran, Islamic Republic of and Zambia rank globally for repeaters in grade 1 of primary education, female?: Iran, Islamic Republic of ranks 27th and Zambia ranks 26th of 199 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Repeaters in Grade 1 of primary education, female (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 Zambia: Repeaters in Grade 1 of primary education, female. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://education.statizoid.com/compare/repeaters-in-grade-1-of-primary-education-female-number-2/iran-islamic-rep/zambia/

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<a href="https://education.statizoid.com/compare/repeaters-in-grade-1-of-primary-education-female-number-2/iran-islamic-rep/zambia/">Iran, Islamic Republic of vs Zambia: Repeaters in Grade 1 of primary education, female</a> — Statizoid

About this data

Indicator: Repeaters in Grade 1 of primary education, female (number)
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 199 places, 5,326 data points, 1970–2025
Last refreshed: 06 September 2026

February 2026 Data Release