Saint Lucia Population Pyramid 2025
Year
2025Saint Lucia in 2025
The population of Saint Lucia in 2025 was 180,149. A decade earlier, in 2015, the population was 174,904; it has grown by 3.0% since.
Half of the population was younger than 35.7 years; 17.2% were children under 15 and 10.0% were 65 or older. This is a constrictive pyramid — its base is narrower than its middle, the signature of sustained low birth rates and population ageing.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Saint Lucia had on average 1.38 children, below the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 72.7 years on average (76.3 years for girls, 69.3 for boys).
Source: World Bank World Development Indicators, latest available year.
7,111 immigrants live in Saint Lucia, 4.0% of the population.
| Guyana | 2,045 |
| United States of America | 824 |
| United Kingdom | 735 |
| Trinidad and Tobago | 488 |
| Barbados | 390 |
20,101 people born in Saint Lucia live in other countries.
| Canada | 7,557 |
| United States Virgin Islands | 3,427 |
| Martinique | 2,242 |
| Barbados | 2,220 |
| Trinidad and Tobago | 1,406 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Saint Lucia | 180,149 | 35.7 | |
| Curaçao | 185,487 | 39.7 | |
| Grenada | 117,304 | 35.4 | |
| Aruba | 108,148 | 42.5 | |
| Saint Vincent and the Grenadines | 99,925 | 35.4 |





