The population of Saint Lucia is expected to grow by 1,000 in 2026 and reach 185,000 in 2027. Migration (including immigration and emigration) increases population by 8 people yearly. The population density of Saint Lucia has changed from 193.4 in 1980 to 301.3 in 2024.
| Current population | 185,000 people at present (Tuesday 17th of March 2026) | |
| Median Age | 38.5 years |
| Population density | 303.0 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2026 | 185,000 | 1,000 (0.5%) | 8 | 38.5 | 303 | 36,000 (19.4%) | |
| 2025 | 184,000 | 0 (0.0%) | 8 | 38.1 | 1.41 | 302 | 36,000 (19.3%) |
| 2024 | 0 | 0 (0.0%) | 8 | 37.8 | 301 | 35,000 (19.2%) | |
| 2023 | 0 | 0 (0.0%) | 8 | 37.5 | 300 | 35,000 (19.1%) | |
| 2022 | 0 | 0 (0.0%) | 8 | 37.1 | 299 | 35,000 (19.0%) | |
| 2021 | 0 | 0 (0.0%) | 8 | 36.8 | 298 | 34,000 (18.9%) | |
| 2020 | 181,000 | 1,000 (0.6%) | 8 | 36.4 | 1.42 | 297 | 34,000 (18.8%) |
| 2019 | 0 | 0 (0.0%) | 8 | 36.1 | 1.43 | 296 | 34,000 (18.7%) |
| 2018 | 0 | 0 (0.0%) | 8 | 35.7 | 1.44 | 295 | 33,000 (18.6%) |
| 2017 | 0 | 0 (0.0%) | 8 | 35.3 | 1.45 | 293 | 33,000 (18.6%) |
| 2016 | 0 | 0 (0.0%) | 8 | 35.0 | 1.46 | 292 | 33,004 (18.5%) |
| 2015 | 177,206 | 785 (0.4%) | 8 | 34.7 | 1.47 | 291 | 32,790 (18.5%) |
| 2010 | 172,580 | 1,558 (0.9%) | 8 | 32.9 | 1.54 | 283 | 31,841 (18.5%) |
| 2005 | 163,714 | 1,463 (0.9%) | 570 | 29.9 | 1.68 | 268 | 37,793 (23.1%) |
| 2000 | 156,949 | 1,777 (1.1%) | -45 | 28.5 | 2.20 | 257 | 43,591 (27.8%) |
| 1995 | 147,044 | 1,797 (1.2%) | -190 | 27.6 | 2.89 | 241 | 42,297 (28.8%) |
| 1990 | 138,185 | 2,229 (1.6%) | -961 | 26.6 | 3.40 | 227 | 40,556 (29.3%) |
| 1985 | 126,418 | 1,950 (1.5%) | -852 | 24.4 | 3.89 | 207 | 35,300 (27.9%) |
| 1980 | 117,987 | 1,697 (1.4%) | -1,628 | 23.5 | 4.70 | 193 | 31,314 (26.5%) |
| 1975 | 109,769 | 1,237 (1.1%) | -1,786 | 23.1 | 5.46 | 180 | 27,662 (25.2%) |
| 1970 | 104,160 | 1,411 (1.4%) | -1,930 | 22.4 | 6.10 | 171 | 24,902 (23.9%) |
| 1965 | 96,302 | 1,488 (1.6%) | -1,539 | 23.0 | 6.69 | 158 | 21,822 (22.7%) |
| 1960 | 89,897 | 1,017 (1.1%) | -1,874 | 23.6 | 6.97 | 147 | 19,292 (21.5%) |
In 2025 the population of Saint Lucia was 184,000 and the average age increased from 23.6 in 1960 to 38.1. Urban population has increased from 43,591 (27.8%) in 2000 to 36,000 (19.4%) in the current year. The population density of Saint Lucia has changed from 193.4 in 1980 to 301.3 in 2024.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | 8 | 36.4 | 1.42 | 297 | 34,000 (18.8%) |
| 2025 | 0 | 0 (0.0%) | 8 | 38.1 | 1.41 | 302 | 36,000 (19.3%) |
| 2030 | 186,000 | 0 (0.0%) | 8 | 39.9 | 1.43 | 306 | 37,000 (20.0%) |
| 2035 | 187,000 | 0 (0.0%) | 8 | 41.7 | 1.47 | 307 | 39,000 (21.1%) |
| 2040 | 187,000 | 0 (0.0%) | 8 | 43.3 | 1.51 | 306 | 42,000 (22.3%) |
| 2045 | 185,000 | 0 (0.0%) | 8 | 45.0 | 1.54 | 303 | 44,000 (23.7%) |
| 2050 | 182,000 | -1,000 (-0.6%) | 8 | 46.3 | 1.58 | 299 | 46,000 (25.1%) |
The life expectancy at birth should reach 81.4 (79.5 years for male and 83.4 years for females). Population density will go up to 298.8 people per square kilometer.
The demographics of Saint Lucia constitutes of 95,000 women and 90,000 men, which means there are 947 men per 1000 women. As far as age distribution goes, 22.8% of population (42,088) is 19 or younger, 64.6% of population (119,510) is between age 20 and 64 and 12.6% of population (23,292) is over 65.