Western Africa Population Pyramid 2031

Western Africa
2031
Population: 529,976,437

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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Western Africa in 2031

By 2031, the population of Western Africa is expected to reach 529,976,438. Compared with 2021, when the projection stands at 426,042,566, that represents growth of 24.4% over ten years.

With a projected median age of 20.5 years, Western Africa would have a youth dependency ratio of 64.4 and an old-age dependency ratio of 5.6 per 100 people of working age. 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.

Share of the population by age group, 1950–2100

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

Population
529,976,438
Median age
20.5
0-14 %
37.9%
65+ %
3.3%
Child dependency
64.4
Old-age dependency
5.6
Pyramid shape
Births per woman

The World Bank does not publish this indicator for regions or continents.

Life expectancy at birth

The World Bank does not publish this indicator for regions or continents.

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

7,706,726 immigrants live in Western Africa.

Burkina Faso2,026,281
Mali1,000,882
Côte d'Ivoire948,444
Benin615,742
Togo541,509
Where emigrants live (2024)

11,328,034 people born in Western Africa live in other countries.

Côte d'Ivoire2,811,282
Nigeria1,172,502
United States of America823,411
Burkina Faso690,598
France625,072
Explore
Immigration statistics

Source: United Nations International Migrant Stock 2024.

How many people are projected to live in Western Africa in 2031?
Western Africa is projected to have a population of 529,976,438 in 2031.
What is the median age in Western Africa?
The median age in Western Africa is 20.5 years — half the population is younger, half older.
What share of Western Africa's population is over 65 or under 15?
In Western Africa, 37.9% of people are under 15 and 3.3% are 65 or older.
What type of population pyramid does Western Africa have?
Western Africa has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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