How many years of comparable data are there for Congo and Zambia?

17 years are reported by both, from 1976 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.

Congo vs Zambia: Repeaters in Grade 1 of lower secondary general education, both sexes

Congo

12,756 number

in 2012

Zambia

13,346 number

in 2013

Congo rank

53rd

Zambia rank

52nd

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

Congo
Zambia

How they compare

Zambia currently reports 13,346 number against 12,756 number in Congo, a difference of 590 number.

The two have swapped places 1 time across 17 shared years of data; in 1976 it was Congo ahead.

Congo ranks 53rd and Zambia ranks 52nd of 185 countries.

Congo has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Congo	Zambia	Difference	Ahead
1970s	7,582 number	4.25 number	7,578 number	Congo
1980s	18,762 number	27.33 number	18,735 number	Congo
2000s	14,903 number	5,934 number	8,969 number	Congo
2010s	14,807 number	12,606 number	2,202 number	Congo

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, Congo or Zambia?: Zambia, at 13,346 number against 12,756 number in Congo as of 2013.
What is the difference in repeaters in grade 1 of lower secondary general education, both sexes between Congo and Zambia?: 590 number, with Zambia ahead.
How many years of comparable data are there for Congo and Zambia?: 17 years are reported by both, from 1976 to 2012.
How do Congo and Zambia rank globally for repeaters in grade 1 of lower secondary general education, both sexes?: Congo ranks 53rd and Zambia ranks 52nd 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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Congo vs Zambia: Repeaters in Grade 1 of lower secondary general education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 08 September 2026, from https://education.statizoid.com/compare/repeaters-in-grade-1-of-lower-secondary-general-education-both-sexes-number/congo-rep/zambia/

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<a href="https://education.statizoid.com/compare/repeaters-in-grade-1-of-lower-secondary-general-education-both-sexes-number/congo-rep/zambia/">Congo vs Zambia: 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.