The population of Saint Lucia is expected to grow by 1,000 in 2020 and reach 182,000 in 2021. Migration (including immigration and emigration) increases population by 8 people yearly. On average there are 2,090 births and 1,381 deaths in Saint Lucia per year. Rate of natural increase is approximately 0.39 percent per year. The population density of Saint Lucia has changed from 193.4 in 1980 to 294.5 in 2018.
| Current population | 181,249 people at present (Tuesday 31st of March 2020) | |
| Median Age | 36.4 years |
| Life expectancy | 76.2 years | |
| Population density | 297.1 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 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 2019 the population of Saint Lucia was 180,000 and the average age increased from 23.6 in 1960 to 36.1. Urban population has increased from 43,591 (27.8%) in 2000 to 34,000 (18.8%) in the current year. The population density of Saint Lucia has changed from 193.4 in 1980 to 294.5 in 2018.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 181,000 | 1,000 (0.6%) | 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%) |
Total Saint Lucia population should reach 181,000 by 2020 and should increase to 182,000 people by year 2050. 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 0.56% (0 residents, including 1,362 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, 25.2% of population (45,684) is 19 or younger, 64.5% of population (116,673) is between age 20 and 64 and 10.4% of population (18,806) is over 65.