How many years of comparable data are there for Chad and Sub-Saharan Africa (IDA & IBRD countries)?

11 years are reported by both, from 1998 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Out-of-school rate for adolescents of lower secondary school age, both sexes (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Sub-Saharan Africa (IDA & IBRD countries): Out-of-school rate for adolescents of lower secondary school age

Chad

62.2%

in 2019

Sub-Saharan Africa (IDA & IBRD countries)

36.7%

in 2019

Chad rank

2nd

Sub-Saharan Africa (IDA & IBRD countries) rank

4th

Out-of-school rate for adolescents of lower secondary school age over time

Chad
Sub-Saharan Africa (IDA & IBRD countries)

How they compare

Chad currently reports 62.2% against 36.7% in Sub-Saharan Africa (IDA & IBRD countries), a difference of 25.5%.

That makes Chad's figure about 1.7 times Sub-Saharan Africa (IDA & IBRD countries)'s.

Across all 11 years both countries report, Chad has been ahead every year.

Chad ranks 2nd and Sub-Saharan Africa (IDA & IBRD countries) ranks 4th of 150 countries.

Chad has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Chad	Sub-Saharan Africa (IDA & IBRD countries)	Difference	Ahead
1990s	75.1%	49.1%	26.0%	Chad
2000s	69.3%	46.2%	23.1%	Chad
2010s	62.3%	37.5%	24.8%	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher out-of-school rate for adolescents of lower secondary school age, Chad or Sub-Saharan Africa (IDA & IBRD countries)?: Chad, at 62.2% against 36.7% in Sub-Saharan Africa (IDA & IBRD countries) as of 2019.
What is the difference in out-of-school rate for adolescents of lower secondary school age between Chad and Sub-Saharan Africa (IDA & IBRD countries)?: 25.5%, with Chad ahead.
How many years of comparable data are there for Chad and Sub-Saharan Africa (IDA & IBRD countries)?: 11 years are reported by both, from 1998 to 2019.
How do Chad and Sub-Saharan Africa (IDA & IBRD countries) rank globally for out-of-school rate for adolescents of lower secondary school age?: Chad ranks 2nd and Sub-Saharan Africa (IDA & IBRD countries) ranks 4th of 150 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Out-of-school rate for adolescents of lower secondary school age, both sexes (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Sub-Saharan Africa (IDA & IBRD countries): Out-of-school rate for adolescents of lower secondary school age. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 18 September 2026, from https://education.statizoid.com/compare/out-of-school-rate-for-adolescents-of-lower-secondary-school-age-both-sexes-percent/chad/sub-saharan-africa-ida-and-ibrd-countries/

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About this data

Indicator: Out-of-school rate for adolescents of lower secondary school age, both sexes (%)
Unit: %
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 195 places, 3,656 data points, 1970–2019
Last refreshed: 04 September 2026

Number of adolescents of official lower secondary school age who are not enrolled in lower secondary school expressed as a percentage of the population of official lower secondary school age.