Population Pyramids of the World from 1950 to 2100

Sierra Leone Population Pyramid 2042

Sierra Leone
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2042
Population: 11,728,791

Year

-5 -1   2042  +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 2042

United Nations projections (medium variant) put the population of Sierra Leone at 11,728,792 in 2042. That would be 16.7% more than in 2032 (10,047,200).

The median age is projected at 25.1 years, with 47.8 children under 15 and 7.0 people aged 65 or over for every 100 people of working age (15–64). This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.

Ranks #92 of 201 by population Ranks #159 of 201 by median age Ranks #47 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
11,728,792
Median age
25.1
0-14 %
30.9%
65+ %
4.5%
Child dependency
47.8
Old-age dependency
7.0
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 11,728,792 25.1
Togo 13,604,977 23.0
Mauritania 8,020,484 21.6
Liberia 7,954,176 23.9
Gambia 3,850,536 24.7
Frequently asked questions about Sierra Leone's population
How many people are projected to live in Sierra Leone in 2042?
UN projections put Sierra Leone's population at 11,728,792 in 2042.
Is Sierra Leone's population growing or shrinking?
Yes, growing: up 16.7% from 2032, with a projected population of 12,948,325 in 2050.
How old is the population of Sierra Leone?
Sierra Leone's median age is 25.1 years.
How many children and older people live in Sierra Leone?
In Sierra Leone, 30.9% of people are under 15 and 4.5% are 65 or older.
What type of population pyramid does Sierra Leone have?
Sierra Leone has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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Immigration statistics per countries
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Population Growth Map per Year
Population Growth Map per Year