The population of Saint Lucia is expected to grow by 1,000 in 2018 and reach 180,000 in 2019. Migration (including immigration and emigration) increases population by 8 people yearly. On average there are 2,128 births and 1,362 deaths in Saint Lucia per year. Rate of natural increase is approximately 0.43 percent per year. The population density of Saint Lucia has changed from 193.4 in 1980 to 291.8 in 2016.
| Current population | 180,000 people at present (Saturday 15th of December 2018) | |
| Median Age | 35.7 years |
| Life expectancy | 75.9 years | |
| Population density | 294.5 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2018 | 180,000 | 1,000 (0.6%) | 8 | 35.7 | 1.44 | 295 | 33,000 (18.6%) |
| 2017 | 179,000 | 985 (0.6%) | 8 | 35.3 | 1.45 | 293 | 33,000 (18.6%) |
| 2016 | 178,015 | 809 (0.5%) | 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 2017 the population of Saint Lucia was 179,000 and the average age increased from 23.6 in 1960 to 35.3. Urban population has increased from 43,591 (27.8%) in 2000 to 33,000 (18.6%) in the current year. The population density of Saint Lucia has changed from 193.4 in 1980 to 291.8 in 2016.
| 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% (985 residents, including 1,336 deaths). The demographics of Saint Lucia constitutes of 92,000 women and 88,000 men, which means there are 957 men per 1000 women. As far as age distribution goes, 26.4% of population (47,592) is 19 or younger, 63.6% of population (114,408) is between age 20 and 64 and 9.8% of population (17,694) is over 65.