Population Pyramids of the World from 1950 to 2100

Mauritania Population Pyramid 2031

Mauritania
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2031
Population: 6,217,789

Year

-5 -1   2031  +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

Mauritania in 2031

By 2031, the population of Mauritania is expected to reach 6,217,789. Compared with 2021, when the projection stands at 4,734,874, that represents growth of 31.3% over ten years.

The median age is projected at 19.4 years, with 71.8 children under 15 and 6.1 people aged 65 or over for every 100 people of working age (15–64). The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.

Ranks #117 of 201 by population Ranks #189 of 201 by median age Ranks #13 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 Mauritania
Population
6,217,789
Median age
19.4
0-14 %
40.4%
65+ %
3.4%
Child dependency
71.8
Old-age dependency
6.1
Region
AFRICA
Pyramid shape
Expansive
Population 2050
9,415,598
Population 2100
17,118,470
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 4.7

In 2023 women in Mauritania had on average 4.70 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
304050607080
19602023 · 68.5

A child born there in 2023 could expect to live 68.5 years on average (70.5 years for girls, 66.5 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 Mauritania
Where immigrants come from (2024)

189,807 immigrants live in Mauritania, 3.7% of the population.

Mali122,945
Western Sahara32,947
Senegal20,739
Guinea3,650
Algeria1,922
Where emigrants live (2024)

91,705 people born in Mauritania live in other countries.

Senegal47,547
Mali27,160
Gambia3,992
Congo3,111
Belgium3,018
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Mauritania compares with its neighbours
Country Population Median age Relative size
Mauritania 6,217,789 19.4
Liberia 6,486,741 21.2
Gambia 3,190,997 21.3
Sierra Leone 9,870,299 22.2
Guinea-Bissau 2,536,900 21.9
Frequently asked questions about Mauritania's population
What will the population of Mauritania be in 2031?
Mauritania is projected to have a population of 6,217,789 in 2031.
Is Mauritania's population growing or shrinking?
Yes, growing: up 31.3% from 2021, with a projected population of 9,415,598 in 2050.
What is the median age in Mauritania?
The median age in Mauritania is 19.4 years — half the population is younger, half older.
How many children and older people live in Mauritania?
3.4% of Mauritania's population is 65 or older, and 40.4% is under 15.
What shape is Mauritania's population pyramid, and what does it mean?
Mauritania has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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