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

23,523 number

in 2017

Zambia

23,534 number

in 2016

Iran, Islamic Republic of rank

31st

Zambia rank

30th

Repeaters in Grade 1 of primary education, female over time

Iran, Islamic Republic of
Zambia

How they compare

Zambia currently reports 23,534 number against 23,523 number in Iran, Islamic Republic of, a difference of 11 number.

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 31st and Zambia ranks 30th of 188 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 number	5,421 number	64,769 number	Iran, Islamic Republic of
2000s	31,128 number	12,144 number	18,983 number	Iran, Islamic Republic of
2010s	19,248 number	17,324 number	1,924 number	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 number against 23,523 number 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?: 11 number, 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 31st and Zambia ranks 30th of 188 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 09 September 2026, from https://education.statizoid.com/compare/repeaters-in-grade-1-of-primary-education-female-number/iran-islamic-rep/zambia/

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<a href="https://education.statizoid.com/compare/repeaters-in-grade-1-of-primary-education-female-number/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)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 188 places, 4,544 data points, 1970–2020
Last refreshed: 04 September 2026

Number of female pupils in the specified grade who are enrolled in the same grade for a second (or further) year.