Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 1961

Sierra Leone
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1961
Population: 2,304,226

Year

-5 -1   1961  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Sierra Leone in 1961

As of 1961, Sierra Leone counted 2,304,226 inhabitants. A decade earlier, in 1951, the population was 2,023,276; it has grown by 13.9% since.

With a median age of 21.1 years, Sierra Leone had a youth dependency ratio of 66.1 and an old-age dependency ratio of 6.7 per 100 people of working age. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.

Ranks #112 of 201 by population Ranks #71 of 201 by median age Ranks #161 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Sierra Leone
Population
2,304,226
Median age
21.1
0-14 %
38.3%
65+ %
3.9%
Child dependency
66.1
Old-age dependency
6.7
Region
AFRICA
Pyramid shape
Expansive
Population 2050
12,948,325
Population 2100
15,934,257
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.79

In 2023 women in Sierra Leone had on average 3.79 children, above the replacement level of 2.1.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
203040506070
19602023 · 61.8

A child born there in 2023 could expect to live 61.8 years on average (63.5 years for girls, 60.1 for boys).

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
22456890
19502100
Migration to and from Sierra Leone
Where immigrants come from (2024)

49,156 immigrants live in Sierra Leone, 0.6% of the population.

Guinea33,542
Liberia8,462
Nigeria2,024
India892
Ghana874
Where emigrants live (2024)

63,631 people born in Sierra Leone live in other countries.

Senegal15,843
Liberia13,878
Guinea8,065
Nigeria4,679
Australia4,218
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Sierra Leone compares with its neighbours
Country Population Median age Relative size
Sierra Leone 2,304,227 21.1
Benin 2,559,223 20.6
Togo 1,702,717 18.0
Senegal 3,436,375 18.0
Liberia 1,167,717 19.3
Frequently asked questions about Sierra Leone's population
What was the population of Sierra Leone in 1961?
Sierra Leone had a population of 2,304,226 in 1961.
Is the population of Sierra Leone increasing or decreasing?
Sierra Leone's population grew 13.9% over the previous ten years, and is projected to reach 12,948,325 by 2050.
How old is the population of Sierra Leone?
Sierra Leone's median age is 21.1 years.
What share of Sierra Leone's population is over 65 or under 15?
In Sierra Leone, 38.3% of people are under 15 and 3.9% are 65 or older.
What shape is Sierra Leone's population pyramid, and what does it mean?
Sierra Leone's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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Population Growth Map per Year