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

20 years are reported by both, from 1985 to 2012.

Where does this data come from?

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

Guinea vs Iran, Islamic Republic of: Repeaters in Grade 1 of lower secondary general education, both sexes

Guinea

17,675 number

in 2014

Iran, Islamic Republic of

17,956 number

in 2017

Guinea rank

43rd

Iran, Islamic Republic of rank

42nd

Repeaters in Grade 1 of lower secondary general education, both sexes over time

Guinea
Iran, Islamic Republic of

How they compare

Iran, Islamic Republic of currently reports 17,956 number against 17,675 number in Guinea, a difference of 281 number.

Across all 20 years both countries report, Iran, Islamic Republic of has been ahead every year.

Guinea ranks 43rd and Iran, Islamic Republic of ranks 42nd of 185 countries.

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

Head to head by decade

Decade	Guinea	Iran, Islamic Republic of	Difference	Ahead
1980s	5,789 number	168,471 number	162,682 number	Iran, Islamic Republic of
1990s	5,014 number	185,358 number	180,344 number	Iran, Islamic Republic of
2000s	14,099 number	134,101 number	120,002 number	Iran, Islamic Republic of
2010s	22,997 number	43,633 number	20,636 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 lower secondary general education, both sexes, Guinea or Iran, Islamic Republic of?: Iran, Islamic Republic of, at 17,956 number against 17,675 number in Guinea as of 2017.
What is the difference in repeaters in grade 1 of lower secondary general education, both sexes between Guinea and Iran, Islamic Republic of?: 281 number, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Guinea and Iran, Islamic Republic of?: 20 years are reported by both, from 1985 to 2012.
How do Guinea and Iran, Islamic Republic of rank globally for repeaters in grade 1 of lower secondary general education, both sexes?: Guinea ranks 43rd and Iran, Islamic Republic of ranks 42nd of 185 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Repeaters in Grade 1 of lower secondary general education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guinea vs Iran, Islamic Republic of: Repeaters in Grade 1 of lower secondary general education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://education.statizoid.com/compare/repeaters-in-grade-1-of-lower-secondary-general-education-both-sexes-number/guinea/iran-islamic-rep/

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

About this data

Indicator: Repeaters in Grade 1 of lower secondary general education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 185 places, 4,260 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.