Population of Saint Lucia

As of July 2026, the population of Saint Lucia is 180.5 thousand. The number of inhabitants has increased by 307 in the last year, representing a growth of 0.19%. The median age of the population has increased in recent years, rising from 30.9 years in 2016 to 35.1 years in 2026. Currently, life expectancy at birth is 73.2 years and population density is 293 inhabitants per square kilometer.

Population Growth

The population growth rate of Saint Lucia peaked in 1985, reaching around 1.64% annually, but has since declined to approximately 0.17% in 2026. The annual increase in the number of people has also decreased from a peak of around 2.38 thousand in 1995 to nearly 307 in 2026.

Life Expectancy

In Saint Lucia, life expectancy at birth has remained stable over the last 20 years, hovering around 73 years since 2006.

Most populous cities in Saint Lucia

The cities of Saint Lucia are small, with the 5 most populated adding up to around 77.5 thousand inhabitants. The most populous city is Gros Islet, Gros-Islet, with approximately 25.2 thousand inhabitants. It is followed by Castries with 20 thousand and Bisee, Castries with 13 thousand.

These are the 20 most populous cities in Saint Lucia: