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

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 adolescents and youth of secondary school age, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Middle income: Out-of-school adolescents and youth of secondary school age, both

Chad

1.79 million number

in 2019

Middle income

150.89 million number

in 2019

Chad rank

6th

Middle income rank

4th

Out-of-school adolescents and youth of secondary school age, both over time

Chad
Middle income

How they compare

Middle income currently reports 150.89 million number against 1.79 million number in Chad, a difference of 149.10 million number.

That makes Middle income's figure about 84.3 times Chad's.

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

Chad ranks 6th and Middle income ranks 4th of 142 countries.

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

Head to head by decade

Decade	Chad	Middle income	Difference	Ahead
1990s	982,715 number	229.10 million number	228.12 million number	Middle income
2000s	1.04 million number	231.05 million number	230.00 million number	Middle income
2010s	1.70 million number	153.43 million number	151.73 million number	Middle income

Averages of every year both report within each decade.

Frequently asked questions

Which has higher out-of-school adolescents and youth of secondary school age, both, Chad or Middle income?: Middle income, at 150.89 million number against 1.79 million number in Chad as of 2019.
What is the difference in out-of-school adolescents and youth of secondary school age, both between Chad and Middle income?: 149.10 million number, with Middle income ahead.
How many years of comparable data are there for Chad and Middle income?: 11 years are reported by both, from 1998 to 2019.
How do Chad and Middle income rank globally for out-of-school adolescents and youth of secondary school age, both?: Chad ranks 6th and Middle income ranks 4th of 142 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Out-of-school adolescents and youth of secondary school age, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Middle income: Out-of-school adolescents and youth of secondary school age, both. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 16 September 2026, from https://reference.statizoid.com/compare/out-of-school-adolescents-and-youth-of-secondary-school-age-both-sexes-number/chad/middle-income/

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<a href="https://reference.statizoid.com/compare/out-of-school-adolescents-and-youth-of-secondary-school-age-both-sexes-number/chad/middle-income/">Chad vs Middle income: Out-of-school adolescents and youth of secondary school age, both</a> — Statizoid

About this data

Indicator: Out-of-school adolescents and youth of secondary school age, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 187 places, 4,335 data points, 1970–2019
Last refreshed: 04 September 2026

Number of adolescents and youth of secondary school age who are not enrolled or attending school during in a given academic year. For more information, consult the UNESCO Institute of Statistics website: http://www.uis.unesco.org/Education/