Cambodia Population Pyramid 2040
Year
2040Cambodia in 2040
By 2040, the population of Cambodia is expected to reach 20,540,682. Compared with 2030, when the projection stands at 18,827,388, that represents growth of 9.1% over ten years.
Half of the population would be younger than 30.6 years, with 24.6% children under 15 and 8.9% aged 65 or older. The near-vertical sides of the pyramid indicate a stationary age structure, with births roughly balancing the passage of cohorts into older age.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Cambodia had on average 2.58 children, above the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 70.7 years in 2023: 73.2 for women and 68.0 for men.
Source: World Bank World Development Indicators, latest available year.
80,561 immigrants live in Cambodia, 0.5% of the population.
| Viet Nam | 41,357 |
| Thailand | 34,957 |
| China | 1,721 |
| France | 311 |
| Laos | 294 |
778,791 people born in Cambodia live in other countries.
| Thailand | 375,635 |
| United States of America | 171,380 |
| France | 57,402 |
| Australia | 43,862 |
| Republic of Korea | 33,452 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Cambodia | 20,540,683 | 30.6 | |
| Laos | 9,169,002 | 30.8 | |
| Singapore | 6,194,782 | 45.9 | |
| Timor-Leste | 1,718,250 | 28.4 | |
| Brunei Darussalam | 505,976 | 40.0 |





