Which has higher average years of schooling, Gambia or Sierra Leone?

Gambia, at 4.64 years against 4.58 years in Sierra Leone as of 2020.

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

24 years are reported by both, from 1870 to 2020.

Where does this data come from?

Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data, published as Average years of schooling. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Gambia vs Sierra Leone: Average years of schooling

Gambia

4.64 years

in 2020

Sierra Leone

4.58 years

in 2020

Gambia rank

143rd

Sierra Leone rank

144th

Average years of schooling over time

Gambia
Sierra Leone

How they compare

Gambia currently reports 4.64 years against 4.58 years in Sierra Leone, a difference of 0.06 years.

The two have swapped places 1 time across 24 shared years of data; in 1870 it was Sierra Leone ahead.

Gambia ranks 143rd and Sierra Leone ranks 144th of 162 countries.

Across the 15 decades both report, Gambia averaged higher in 1 and Sierra Leone in 14.

Head to head by decade

Decade	Gambia	Sierra Leone	Difference	Ahead
1870s	0.1 years	0.11 years	0.01 years	Sierra Leone
1880s	0.1 years	0.16 years	0.06 years	Sierra Leone
1890s	0.1 years	0.21 years	0.11 years	Sierra Leone
1900s	0.1426 years	0.27 years	0.1274 years	Sierra Leone
1910s	0.1782 years	0.28 years	0.1018 years	Sierra Leone
1920s	0.1789 years	0.258 years	0.0791 years	Sierra Leone
1930s	0.184 years	0.2487 years	0.0647 years	Sierra Leone
1950s	0.34 years	0.4882 years	0.1483 years	Sierra Leone
1960s	0.5131 years	0.8875 years	0.3744 years	Sierra Leone
1970s	0.6792 years	1.35 years	0.6717 years	Sierra Leone
1980s	1.19 years	2.24 years	1.06 years	Sierra Leone
1990s	2.24 years	3.11 years	0.8719 years	Sierra Leone
2000s	2.95 years	3.57 years	0.6197 years	Sierra Leone
2010s	3.44 years	3.66 years	0.2163 years	Sierra Leone
2020s	4.64 years	4.58 years	0.0614 years	Gambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average years of schooling, Gambia or Sierra Leone?: Gambia, at 4.64 years against 4.58 years in Sierra Leone as of 2020.
What is the difference in average years of schooling between Gambia and Sierra Leone?: 0.06 years, with Gambia ahead.
How many years of comparable data are there for Gambia and Sierra Leone?: 24 years are reported by both, from 1870 to 2020.
How do Gambia and Sierra Leone rank globally for average years of schooling?: Gambia ranks 143rd and Sierra Leone ranks 144th of 162 countries.
Where does this data come from?: Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data, published as Average years of schooling. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gambia vs Sierra Leone: Average years of schooling. Statizoid, drawing on Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data. Retrieved 14 September 2026, from https://education.statizoid.com/compare/years-of-schooling-prados-de-la-escosura/gambia-the/sierra-leone/

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<a href="https://education.statizoid.com/compare/years-of-schooling-prados-de-la-escosura/gambia-the/sierra-leone/">Gambia vs Sierra Leone: Average years of schooling</a> — Statizoid

About this data

Indicator: Average years of schooling
Unit: years
Source: Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 163 places, 3,421 data points, 1870–2020
Last refreshed: 28 August 2026

Average number of years of total schooling (primary, secondary, and tertiary) for the population aged 15 and over.