South-Eastern Asia Population Pyramid 2025

South-Eastern Asia
2025
Population: 700,031,698

Year

-5 -1   2025  +1 +5

Country

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South-Eastern Asia in 2025

As of 2025, South-Eastern Asia counted 700,031,699 inhabitants. That is 9.0% more than in 2015, when the population stood at 642,375,722.

The median age was 31.9 years, and for every 100 people of working age (15–64) there were 34.4 children under 15 and 12.3 people aged 65 or over. The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.

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
700,031,699
Median age
31.9
0-14 %
23.5%
65+ %
8.4%
Child dependency
34.4
Old-age dependency
12.3
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)

10,188,681 immigrants live in South-Eastern Asia.

Myanmar2,022,111
Indonesia1,953,317
Malaysia1,770,892
China900,647
India648,154
Where emigrants live (2024)

24,202,972 people born in South-Eastern Asia live in other countries.

United States of America4,553,622
Malaysia2,492,653
Thailand2,411,537
Bangladesh1,936,329
Singapore1,733,686
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Immigration statistics

Source: United Nations International Migrant Stock 2024.

What was the population of South-Eastern Asia in 2025?
In 2025, South-Eastern Asia's population was 700,031,699.
What is the median age in South-Eastern Asia?
South-Eastern Asia's median age is 31.9 years.
What share of South-Eastern Asia's population is over 65 or under 15?
8.4% of South-Eastern Asia's population is 65 or older, and 23.5% is under 15.
What shape is South-Eastern Asia's population pyramid, and what does it mean?
South-Eastern Asia's pyramid is stationary — similar-sized cohorts through the younger ages, the signature of near-replacement fertility.

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