What is the difference in repeaters in grade 1 of primary education, both sexes between Iran, Islamic Republic of and Zambia?

10,145 number, with Iran, Islamic Republic of ahead.

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

19 years are reported by both, from 1984 to 2016.

Where does this data come from?

UNESCO Institute for Statistics, published as Repeaters in Grade 1 of primary education, both sexes (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, both sexes

Iran, Islamic Republic of

57,161 number

in 2017

Zambia

47,016 number

in 2016

Iran, Islamic Republic of rank

30th

Zambia rank

32nd

Repeaters in Grade 1 of primary education, both sexes over time

Iran, Islamic Republic of
Zambia

How they compare

Iran, Islamic Republic of currently reports 57,161 number against 47,016 number in Zambia, a difference of 10,145 number.

That makes Iran, Islamic Republic of's figure about 1.2 times Zambia's.

Across all 19 years both countries report, Iran, Islamic Republic of has been ahead every year.

Iran, Islamic Republic of ranks 30th and Zambia ranks 32nd of 189 countries.

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

Head to head by decade

Decade	Iran, Islamic Republic of	Zambia	Difference	Ahead
1980s	264,906 number	920.5 number	263,986 number	Iran, Islamic Republic of
1990s	170,051 number	11,253 number	158,798 number	Iran, Islamic Republic of
2000s	77,034 number	22,674 number	54,360 number	Iran, Islamic Republic of
2010s	45,603 number	34,384 number	11,220 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, both sexes, Iran, Islamic Republic of or Zambia?: Iran, Islamic Republic of, at 57,161 number against 47,016 number in Zambia as of 2017.
What is the difference in repeaters in grade 1 of primary education, both sexes between Iran, Islamic Republic of and Zambia?: 10,145 number, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Zambia?: 19 years are reported by both, from 1984 to 2016.
How do Iran, Islamic Republic of and Zambia rank globally for repeaters in grade 1 of primary education, both sexes?: Iran, Islamic Republic of ranks 30th and Zambia ranks 32nd of 189 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Repeaters in Grade 1 of primary education, both sexes (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, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 13 September 2026, from https://education.statizoid.com/compare/repeaters-in-grade-1-of-primary-education-both-sexes-number/iran-islamic-rep/zambia/

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

About this data

Indicator: Repeaters in Grade 1 of primary education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 189 places, 5,062 data points, 1970–2020
Last refreshed: 04 September 2026

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