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

51 years are reported by both, from 1970 to 2020.

Where does this data come from?

UNESCO Institute for Statistics, published as School age population, upper secondary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Poland: School age population, upper secondary education, both sexes

Chad

1.08 million number

in 2020

Poland

1.03 million number

in 2020

Chad rank

57th

Poland rank

59th

School age population, upper secondary education, both sexes over time

Chad
Poland

How they compare

Chad currently reports 1.08 million number against 1.03 million number in Poland, a difference of 44,930 number.

The two have swapped places 1 time across 51 shared years of data; in 1970 it was Poland ahead.

Chad ranks 57th and Poland ranks 59th of 205 countries.

Across the 6 decades both report, Chad averaged higher in 1 and Poland in 5.

Head to head by decade

Decade	Chad	Poland	Difference	Ahead
1970s	239,007 number	2.60 million number	2.37 million number	Poland
1980s	288,460 number	2.04 million number	1.75 million number	Poland
1990s	413,176 number	2.49 million number	2.08 million number	Poland
2000s	607,100 number	1.97 million number	1.36 million number	Poland
2010s	892,974 number	1.30 million number	405,713 number	Poland
2020s	1.08 million number	1.03 million number	44,930 number	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, upper secondary education, both sexes, Chad or Poland?: Chad, at 1.08 million number against 1.03 million number in Poland as of 2020.
What is the difference in school age population, upper secondary education, both sexes between Chad and Poland?: 44,930 number, with Chad ahead.
How many years of comparable data are there for Chad and Poland?: 51 years are reported by both, from 1970 to 2020.
How do Chad and Poland rank globally for school age population, upper secondary education, both sexes?: Chad ranks 57th and Poland ranks 59th of 205 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, upper secondary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Poland: School age population, upper secondary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/compare/school-age-population-upper-secondary-education-both-sexes-number/chad/poland/

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About this data

Indicator: School age population, upper secondary education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 250 places, 12,264 data points, 1970–2020
Last refreshed: 21 August 2026

Population of the age-group theoretically corresponding to upper secondary education as indicated by theoretical entrance age and duration.