Sri Lanka Population Pyramid 2031
Year
2031Sri Lanka in 2031
In 2031, Sri Lanka is projected to have a population of 23,861,630 people. Compared with 2021, when the projection stands at 22,700,372, that represents growth of 5.1% over ten years.
Half of the population would be younger than 36.1 years, with 20.0% children under 15 and 14.5% aged 65 or older. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Sri Lanka had on average 1.97 children, below the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 77.5 years in 2023: 80.6 for women and 74.2 for men.
Source: World Bank World Development Indicators, latest available year.
38,716 immigrants live in Sri Lanka, 0.2% of the population.
| India | 10,957 |
| Italy | 5,226 |
| China | 2,509 |
| Kuwait | 1,772 |
| United Arab Emirates | 1,707 |
1,491,939 people born in Sri Lanka live in other countries.
| India | 253,869 |
| Qatar | 161,747 |
| United Kingdom | 160,178 |
| Australia | 156,876 |
| Canada | 140,870 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Sri Lanka | 23,861,631 | 36.1 | |
| Nepal | 30,780,918 | 28.5 | |
| Bhutan | 825,472 | 34.5 | |
| Maldives | 541,921 | 38.2 | |
| Afghanistan | 51,376,001 | 19.4 |





