Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2045

Sierra Leone
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2045
Population: 12,208,880

Year

-5 -1   2045  +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 2045

By 2045, the population of Sierra Leone is expected to reach 12,208,880. Compared with 2035, when the projection stands at 10,563,168, that represents growth of 15.6% over ten years.

The median age is projected at 26.0 years, with 45.7 children under 15 and 7.4 people aged 65 or over for every 100 people of working age (15–64). The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.

Ranks #91 of 201 by population Ranks #159 of 201 by median age Ranks #48 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
12,208,880
Median age
26.0
0-14 %
29.8%
65+ %
4.9%
Child dependency
45.7
Old-age dependency
7.4
Region
AFRICA
Pyramid shape
Stationary
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 12,208,881 26.0
Togo 14,347,512 23.5
Mauritania 8,538,531 22.2
Liberia 8,310,645 24.6
Gambia 4,024,237 25.6
Frequently asked questions about Sierra Leone's population
How many people are projected to live in Sierra Leone in 2045?
UN projections put Sierra Leone's population at 12,208,880 in 2045.
Is the population of Sierra Leone increasing or decreasing?
Sierra Leone's population grew 15.6% over the previous ten years, and is projected to reach 12,948,325 by 2050.
How old is the population of Sierra Leone?
The median age in Sierra Leone is 26.0 years — half the population is younger, half older.
What share of Sierra Leone's population is over 65 or under 15?
In Sierra Leone, 29.8% of people are under 15 and 4.9% are 65 or older.
What type of population pyramid does Sierra Leone have?
Sierra Leone has a stationary pyramid: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level.

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