Sierra Leone vs Yemen: Share of population with no formal education

Sierra Leone
35.1%
in 2020
Yemen
38.0%
in 2020
Sierra Leone rank
10th
Yemen rank
7th

Share of population with no formal education over time

  • Sierra Leone
  • Yemen
020406080100187019452020

How they compare

Yemen currently reports 38.0% against 35.1% in Sierra Leone, a difference of 2.9%.

That makes Yemen's figure about 1.1 times Sierra Leone's.

The two have swapped places 2 times across 31 shared years of data; in 1870 it was Yemen ahead.

Sierra Leone ranks 10th and Yemen ranks 7th of 111 countries.

Yemen has averaged higher in every one of the 16 decades both report.

Head to head by decade

Decade Sierra Leone Yemen Difference Ahead
1870s 99.7% 100.0% 0.3% Yemen
1880s 99.5% 100.0% 0.5% Yemen
1890s 99.1% 99.9% 0.8% Yemen
1900s 98.5% 99.9% 1.4% Yemen
1910s 97.5% 99.8% 2.3% Yemen
1920s 97.1% 99.8% 2.7% Yemen
1930s 96.8% 99.8% 3.0% Yemen
1940s 95.8% 99.7% 3.9% Yemen
1950s 94.8% 99.5% 4.7% Yemen
1960s 93.2% 99.1% 5.8% Yemen
1970s 88.3% 98.5% 10.1% Yemen
1980s 81.2% 93.2% 11.9% Yemen
1990s 72.0% 80.2% 8.2% Yemen
2000s 64.8% 66.4% 1.6% Yemen
2010s 50.0% 50.9% 0.9% Yemen
2020s 35.1% 38.0% 2.9% Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of population with no formal education, Sierra Leone or Yemen?
Yemen, at 38.0% against 35.1% in Sierra Leone as of 2020.
What is the difference in share of population with no formal education between Sierra Leone and Yemen?
2.9%, with Yemen ahead.
How many years of comparable data are there for Sierra Leone and Yemen?
31 years are reported by both, from 1870 to 2020.
How do Sierra Leone and Yemen rank globally for share of population with no formal education?
Sierra Leone ranks 10th and Yemen ranks 7th of 111 countries.
Where does this data come from?
Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data, published as Share of population with no formal education. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Yemen: Share of population with no formal education. Statizoid, drawing on Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data. Retrieved 09 September 2026, from https://education.statizoid.com/compare/share-of-population-15-years-and-older-with-no-education/sierra-leone/yemen-rep/

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About this data

Indicator
Share of population with no formal education
Unit
%
Source
Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
111 places, 3,441 data points, 1870–2020
Last refreshed

The share of adults aged between 15 and 64 years old with no formal education.