How many years of comparable data are there for Chad and Suriname?

7 years are reported by both, from 2009 to 2017.

Where does this data come from?

UNESCO Institute for Statistics, published as Repetition rate in lower secondary general education (all grades), male (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Suriname: Repetition rate in lower secondary general education (all grades)

Chad

18.4%

in 2017

Suriname

17.2%

in 2018

Chad rank

19th

Suriname rank

21st

Repetition rate in lower secondary general education (all grades) over time

Chad
Suriname

How they compare

Chad currently reports 18.4% against 17.2% in Suriname, a difference of 1.2%.

That makes Chad's figure about 1.1 times Suriname's.

The two have swapped places 3 times across 7 shared years of data; in 2009 it was Chad ahead.

Chad ranks 19th and Suriname ranks 21st of 156 countries.

Chad has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Chad	Suriname	Difference	Ahead
2000s	18.3%	18.2%	0.1%	Chad
2010s	19.9%	18.3%	1.7%	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher repetition rate in lower secondary general education (all grades), Chad or Suriname?: Chad, at 18.4% against 17.2% in Suriname as of 2017.
What is the difference in repetition rate in lower secondary general education (all grades) between Chad and Suriname?: 1.2%, with Chad ahead.
How many years of comparable data are there for Chad and Suriname?: 7 years are reported by both, from 2009 to 2017.
How do Chad and Suriname rank globally for repetition rate in lower secondary general education (all grades)?: Chad ranks 19th and Suriname ranks 21st of 156 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Repetition rate in lower secondary general education (all grades), male (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Suriname: Repetition rate in lower secondary general education (all grades). Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 01 September 2026, from https://reference.statizoid.com/compare/repetition-rate-in-lower-secondary-general-education-all-grades-male-percent/chad/suriname/

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<a href="https://reference.statizoid.com/compare/repetition-rate-in-lower-secondary-general-education-all-grades-male-percent/chad/suriname/">Chad vs Suriname: Repetition rate in lower secondary general education (all grades)</a> — Statizoid

About this data

Indicator: Repetition rate in lower secondary general education (all grades), male (%)
Unit: %
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 156 places, 1,981 data points, 1970–2019
Last refreshed: 21 August 2026

Number of male repeaters in lower secondary education in a given school year, expressed as a percentage of male enrolment in lower secondary education in the previous school year. Divide the number of male repeaters in lower secondary education in school year t+1 by the number of male pupils from the same cohort enrolled in lower secondary education in the previous school year t.