How many years of comparable data are there for Netherlands and Sierra Leone?

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, lower secondary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Netherlands vs Sierra Leone: School age population, lower secondary education, both sexes

Netherlands

582,097 number

in 2020

Sierra Leone

571,753 number

in 2020

Netherlands rank

83rd

Sierra Leone rank

84th

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

Netherlands
Sierra Leone

How they compare

Netherlands currently reports 582,097 number against 571,753 number in Sierra Leone, a difference of 10,344 number.

Across all 51 years both countries report, Netherlands has been ahead every year.

Netherlands ranks 83rd and Sierra Leone ranks 84th of 205 countries.

Netherlands has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Netherlands	Sierra Leone	Difference	Ahead
1970s	717,693 number	302,897 number	414,796 number	Netherlands
1980s	684,517 number	404,469 number	280,048 number	Netherlands
1990s	546,087 number	456,504 number	89,583 number	Netherlands
2000s	594,465 number	386,357 number	208,108 number	Netherlands
2010s	601,404 number	506,306 number	95,098 number	Netherlands
2020s	582,097 number	571,753 number	10,344 number	Netherlands

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, lower secondary education, both sexes, Netherlands or Sierra Leone?: Netherlands, at 582,097 number against 571,753 number in Sierra Leone as of 2020.
What is the difference in school age population, lower secondary education, both sexes between Netherlands and Sierra Leone?: 10,344 number, with Netherlands ahead.
How many years of comparable data are there for Netherlands and Sierra Leone?: 51 years are reported by both, from 1970 to 2020.
How do Netherlands and Sierra Leone rank globally for school age population, lower secondary education, both sexes?: Netherlands ranks 83rd and Sierra Leone ranks 84th of 205 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, lower secondary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Netherlands vs Sierra Leone: School age population, lower secondary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 02 September 2026, from https://education.statizoid.com/compare/school-age-population-lower-secondary-education-both-sexes-number/netherlands/sierra-leone/

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<a href="https://education.statizoid.com/compare/school-age-population-lower-secondary-education-both-sexes-number/netherlands/sierra-leone/">Netherlands vs Sierra Leone: School age population, lower secondary education, both sexes</a> — Statizoid

About this data

Indicator: School age population, lower 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 lower secondary education as indicated by theoretical entrance age and duration.