Saint Lucia Population Pyramid 2031
Year
2031Saint Lucia in 2031
In 2031, Saint Lucia is projected to have a population of 181,461 people. Ten years before, in 2021, the projected population is 178,522 — 1.6% lower.
Half of the population would be younger than 38.5 years, with 16.3% children under 15 and 12.6% aged 65 or older. The pyramid is constrictive: cohorts of children are smaller than those of their parents, reflecting low fertility and an ageing population.
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 | 181,461 | 38.5 | |
| Curaçao | 184,536 | 41.5 | |
| Grenada | 117,473 | 38.1 | |
| Aruba | 107,683 | 43.8 | |
| Saint Vincent and the Grenadines | 96,334 | 37.3 |





