Congo, Democratic Republic of the vs Sierra Leone: Share of population with no formal education

Congo, Democratic Republic of the
30.7%
in 2020
Sierra Leone
35.1%
in 2020
Congo, Democratic Republic of the rank
13th
Sierra Leone rank
10th

Share of population with no formal education over time

  • Congo, Democratic Republic of the
  • Sierra Leone
406080100187019452020

How they compare

Sierra Leone currently reports 35.1% against 30.7% in Congo, Democratic Republic of the, a difference of 4.4%.

That makes Sierra Leone's figure about 1.1 times Congo, Democratic Republic of the's.

The two have swapped places 1 time across 31 shared years of data; in 1870 it was Congo, Democratic Republic of the ahead.

Congo, Democratic Republic of the ranks 13th and Sierra Leone ranks 10th of 111 countries.

Across the 16 decades both report, Congo, Democratic Republic of the averaged higher in 4 and Sierra Leone in 12.

Head to head by decade

Decade Congo, Democratic Republic of the Sierra Leone Difference Ahead
1870s 100.0% 99.7% 0.3% Congo, Democratic Republic of the
1880s 100.0% 99.5% 0.5% Congo, Democratic Republic of the
1890s 100.0% 99.1% 0.9% Congo, Democratic Republic of the
1900s 99.6% 98.5% 1.1% Congo, Democratic Republic of the
1910s 96.6% 97.5% 0.9% Sierra Leone
1920s 93.5% 97.1% 3.6% Sierra Leone
1930s 91.8% 96.8% 5.0% Sierra Leone
1940s 88.5% 95.8% 7.3% Sierra Leone
1950s 83.1% 94.8% 11.8% Sierra Leone
1960s 75.5% 93.2% 17.7% Sierra Leone
1970s 66.1% 88.3% 22.2% Sierra Leone
1980s 53.9% 81.2% 27.4% Sierra Leone
1990s 44.5% 72.0% 27.5% Sierra Leone
2000s 43.5% 64.8% 21.3% Sierra Leone
2010s 39.8% 50.0% 10.2% Sierra Leone
2020s 30.7% 35.1% 4.4% Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of population with no formal education, Congo, Democratic Republic of the or Sierra Leone?
Sierra Leone, at 35.1% against 30.7% in Congo, Democratic Republic of the as of 2020.
What is the difference in share of population with no formal education between Congo, Democratic Republic of the and Sierra Leone?
4.4%, with Sierra Leone ahead.
How many years of comparable data are there for Congo, Democratic Republic of the and Sierra Leone?
31 years are reported by both, from 1870 to 2020.
How do Congo, Democratic Republic of the and Sierra Leone rank globally for share of population with no formal education?
Congo, Democratic Republic of the ranks 13th and Sierra Leone ranks 10th 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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Congo, Democratic Republic of the vs Sierra Leone: 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 05 September 2026, from https://education.statizoid.com/compare/share-of-population-15-years-and-older-with-no-education/congo-dem-rep/sierra-leone/

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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.