Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2019

Sierra Leone
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2019
Population: 7,731,991

Year

-5 -1   2019  +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 2019

In 2019, Sierra Leone had a total population of 7,731,991 people. That is 27.7% more than in 2009, when the population stood at 6,055,647.

The median age was 19.4 years, and for every 100 people of working age (15–64) there were 70.9 children under 15 and 5.5 people aged 65 or over. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.

Ranks #102 of 201 by population Ranks #166 of 201 by median age Ranks #44 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
7,731,991
Median age
19.4
0-14 %
40.2%
65+ %
3.1%
Child dependency
70.9
Old-age dependency
5.5
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 7,731,991 19.4
Togo 8,463,068 19.4
Liberia 5,043,721 18.8
Mauritania 4,467,708 17.9
Benin 12,726,755 18.4
Frequently asked questions about Sierra Leone's population
What was the population of Sierra Leone in 2019?
Sierra Leone had a population of 7,731,991 in 2019.
Is Sierra Leone's population growing or shrinking?
Yes, growing: up 27.7% from 2009, with a projected population of 12,948,325 in 2050.
How old is the population of Sierra Leone?
The median age in Sierra Leone is 19.4 years — half the population is younger, half older.
What share of Sierra Leone's population is over 65 or under 15?
In Sierra Leone, 40.2% of people are under 15 and 3.1% are 65 or older.
What shape is Sierra Leone's population pyramid, and what does it mean?
Sierra Leone has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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Population Growth Map per Year