South America Population Pyramid 2031

South America
2031
Population: 451,040,419

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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South America in 2031

By 2031, the population of South America is expected to reach 451,040,420. Ten years before, in 2021, the projected population is 428,331,373 — 5.3% lower.

With a projected median age of 36.4 years, South America would have a youth dependency ratio of 27.7 and an old-age dependency ratio of 19.4 per 100 people of working age. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.

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
451,040,420
Median age
36.4
0-14 %
18.8%
65+ %
13.2%
Child dependency
27.7
Old-age dependency
19.4
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
20406080
19502100
Where immigrants come from (2024)

12,230,850 immigrants live in South America.

Venezuela6,268,352
Colombia1,317,258
Paraguay587,559
Bolivia561,026
Peru516,754
Where emigrants live (2024)

21,233,109 people born in South America live in other countries.

United States of America4,112,869
Spain3,246,905
Colombia2,951,953
Peru1,719,519
Argentina1,550,287
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Immigration statistics

Source: United Nations International Migrant Stock 2024.

What will the population of South America be in 2031?
UN projections put South America's population at 451,040,420 in 2031.
How old is the population of South America?
South America's median age is 36.4 years.
What share of South America's population is over 65 or under 15?
In South America, 18.8% of people are under 15 and 13.2% are 65 or older.
What shape is South America's population pyramid, and what does it mean?
South America's pyramid is stationary — similar-sized cohorts through the younger ages, the signature of near-replacement fertility.

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