Share of population with no formal education in Sierra Leone

Sierra Leone: Share of population with no formal education was 35.1% in 2020. ▼ Falling

Latest (2020)
35.1%
World rank
10th
of 111 countries
All-time high
99.7%
in 1870
All-time low
35.1%
in 2020
Years of data
31
1870–2020

Share of population with no formal education in Sierra Leone, 1870–2020

0204060801001870194520201870: 99.7 %1875: 99.6 %1880: 99.5 %1885: 99.4 %1890: 99.2 %1895: 99 %1900: 98.7 %1905: 98.3 %1910: 97.7 %1915: 97.3 %1920: 97 %1925: 97.2 %1930: 96.9 %1935: 96.6 %1940: 96.1 %1945: 95.6 %1950: 95.1 %1955: 94.6 %1960: 94.1 %1965: 92.4 %1970: 89.9 %1975: 86.7 %1980: 83.2 %1985: 79.3 %1990: 74.8 %1995: 69.3 %2000: 66.2 %2005: 63.5 %2010: 54.9 %2015: 45.1 %2020: 35.1 %

Source: Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data. Measured in %.

Analysis

Sierra Leone recorded 35.1% for share of population with no formal education in 2020. That is the lowest value across all 31 years on record.

Compared with earlier readings it is down 36.1% over ten years.

Over the whole period, share of population with no formal education in Sierra Leone peaked at 99.7% in 1870 and was at its lowest, 35.1%, in 2020.

That places Sierra Leone 10th out of 111 countries with data for 2020, putting it in the top 10%.

The long-run direction has been consistently falling across the 31 years of available data.

Share of population with no formal education in Sierra Leone, year by year

Annual values for Share of population with no formal education in Sierra Leone, 1870 to 2020.
Year % Change
1870 99.7%
1875 99.6% -0.1%
1880 99.5% -0.1%
1885 99.4% -0.1%
1890 99.2% -0.2%
1895 99.0% -0.2%
1900 98.7% -0.3%
1905 98.3% -0.4%
1910 97.7% -0.6%
1915 97.3% -0.4%
1920 97.0% -0.3%
1925 97.2% +0.2%
1930 96.9% -0.3%
1935 96.6% -0.3%
1940 96.1% -0.5%
1945 95.6% -0.5%
1950 95.1% -0.5%
1955 94.6% -0.5%
1960 94.1% -0.5%
1965 92.4% -1.8%
1970 89.9% -2.7%
1975 86.7% -3.6%
1980 83.2% -4.0%
1985 79.3% -4.7%
1990 74.8% -5.7%
1995 69.3% -7.4%
2000 66.2% -4.5%
2005 63.5% -4.1%
2010 54.9% -13.5%
2015 45.1% -17.9%
2020 35.1% -22.2%

Averages by decade

DecadeAverage LowestHighest Years
1870s 99.7% 99.6% 99.7% 2
1880s 99.5% 99.4% 99.5% 2
1890s 99.1% 99.0% 99.2% 2
1900s 98.5% 98.3% 98.7% 2
1910s 97.5% 97.3% 97.7% 2
1920s 97.1% 97.0% 97.2% 2
1930s 96.8% 96.6% 96.9% 2
1940s 95.8% 95.6% 96.1% 2
1950s 94.8% 94.6% 95.1% 2
1960s 93.2% 92.4% 94.1% 2
1970s 88.3% 86.7% 89.9% 2
1980s 81.2% 79.3% 83.2% 2
1990s 72.0% 69.3% 74.8% 2
2000s 64.8% 63.5% 66.2% 2
2010s 50.0% 45.1% 54.9% 2
2020s 35.1% 35.1% 35.1% 1

Countries ranked near Sierra Leone

  1. 7 Yemen 38.0% compare
  2. 8 Benin 37.4% compare
  3. 9 Liberia 36.0% compare
  4. 11 Afghanistan 33.9% compare
  5. 12 Pakistan 31.4% compare
  6. 13 Democratic Republic of Congo 30.7% compare

See the full ranking of 111 places →

More education data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is share of population with no formal education in Sierra Leone?
Share of population with no formal education in Sierra Leone was 35.1% in 2020, according to Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data.
What is the highest share of population with no formal education recorded in Sierra Leone?
The highest recorded value was 99.7% in 1870.
What is the lowest share of population with no formal education recorded in Sierra Leone?
The lowest recorded value was 35.1% in 2020.
How does Sierra Leone rank for share of population with no formal education?
Sierra Leone ranks 10th out of 111 countries with data for 2020.
Is share of population with no formal education rising or falling in Sierra Leone?
Over the last ten years it is down 36.1%. The long-run trend across the full record is falling.
Where does this Sierra Leone data come from?
The figures come from Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data, published as part of Share of population with no formal education. Statizoid updates them automatically from the source API.

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Share of population with no formal education in Sierra Leone. Statizoid, drawing on Barro and Lee (2015); Lee and Lee (2016) – with major processing by Our World in Data. Retrieved 02 September 2026, from https://education.statizoid.com/stat/share-of-population-15-years-and-older-with-no-education/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.