The population of Saint Lucia is expected to grow by 1,000 in 2021 and reach 183,000 in 2022. 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 295.8 in 2019.
| Current population | 182,564 people at present (Sunday 25th of July 2021) | |
| Median Age | 36.8 years |
| Population density | 298.2 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2021 | 182,000 | 1,000 (0.6%) | 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 2020 the population of Saint Lucia was 181,000 and the average age increased from 23.6 in 1960 to 36.4. Urban population has increased from 43,591 (27.8%) in 2000 to 34,000 (18.9%) in the current year. The population density of Saint Lucia has changed from 193.4 in 1980 to 295.8 in 2019.
| 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 | 184,000 | 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 population growth rate is 0.55% (1,000 residents, including 1,368 deaths). The demographics of Saint Lucia constitutes of 93,000 women and 89,000 men, which means there are 957 men per 1000 women. As far as age distribution goes, 24.6% of population (44,808) is 19 or younger, 64.7% of population (117,736) is between age 20 and 64 and 10.6% of population (19,365) is over 65.