| Source | UN (World Population Prospects 2019) |
| Date | 04 Nov 2021 |
As of 2021, the population of Saint Lucia is projected at 184.4 thousand, up by 0.42% compared with 183.6 thousand in 2020. Saint Lucia is ranked 189th in terms of population and 163rd in terms of population growth rate.
There are 2.11 thousand births in Saint Lucia in 2021. That is 6 per day, which is ranked 193rd. The crude birth rate is 11.45 per 1000 people. There are 1.37 thousand deaths in Saint Lucia in 2021. That is 4 per day, which is ranked 187th. The crude death rate is 7.42 per 1000 people.
34.45 thousand people are living in urban areas, which is 18.94% of Saint Lucia population. Saint Lucia is ranked 222nd in terms of urbanization.
The Sex Ratio in Saint Lucia in 2021 is 96.997 males per 100 females. There are 90.80 thousand males and 93.61 thousand females in Saint Lucia. The percentage of female population is 50.76% compare to 49.24% male population. Saint Lucia has 2.81 thousand more females than males. Saint Lucia is at 63rd position out of 201 countries/territories in terms of female to male ratio.
| Year | Population | Growth (%) |
|---|---|---|
| 1950 | 82,783 | - |
| 1955 | 86,470 | 0.61 |
| 1960 | 89,698 | 0.96 |
| 1965 | 96,138 | 1.59 |
| 1970 | 104,016 | 1.38 |
| 1975 | 109,634 | 1.15 |
| 1980 | 117,828 | 1.45 |
| 1985 | 126,246 | 1.57 |
| 1990 | 138,019 | 1.64 |
| 1995 | 146,871 | 1.23 |
| 2000 | 156,737 | 1.13 |
| 2005 | 163,408 | 0.98 |
| 2010 | 174,092 | 1.09 |
| 2015 | 179,131 | 0.46 |
| 2016 | 180,028 | 0.5 |
| 2017 | 180,955 | 0.51 |
| 2018 | 181,890 | 0.52 |
| 2019 | 182,795 | 0.50 |
| 2020 | 183,629 | 0.46 |
| 2021 | 184,401 | 0.42 |
| Year | Total | Crude(per 1000) | ||
|---|---|---|---|---|
| Death | Birth | Crude death | Crude birth | |
| 1950 | 1,578 | 3,607 | 18.89 | 43.38 |
| 1955 | 1,398 | 4,329 | 16.22 | 50.17 |
| 1960 | 1,227 | 4,418 | 13.59 | 48.99 |
| 1965 | 1,063 | 4,198 | 11.04 | 43.58 |
| 1970 | 939 | 4,012 | 9.06 | 38.79 |
| 1975 | 858 | 4,113 | 7.79 | 37.27 |
| 1980 | 800 | 4,193 | 6.80 | 35.66 |
| 1985 | 770 | 4,042 | 6.07 | 31.82 |
| 1990 | 859 | 3,887 | 6.24 | 28.29 |
| 1995 | 988 | 3,543 | 6.72 | 24.03 |
| 2000 | 1,040 | 2,908 | 6.67 | 18.65 |
| 2005 | 1,047 | 2,387 | 6.37 | 14.49 |
| 2010 | 1,139 | 2,264 | 6.58 | 13.08 |
| 2015 | 1,270 | 2,223 | 7.08 | 12.39 |
| 2020 | 1,346 | 2,139 | 7.33 | 11.66 |
| 2021 | 1,367 | 2,110 | 7.42 | 11.45 |
| Year | Population | Urbanization | ||
|---|---|---|---|---|
| Urban | Rural | growth rate (%) | Urban (%) | |
| 1950 | 15,894 | 66,890 | - | 19.199 |
| 1955 | 17,596 | 69,058 | 1.76 | 20.306 |
| 1960 | 19,292 | 70,605 | 2.07 | 21.460 |
| 1965 | 21,822 | 74,480 | 2.67 | 22.660 |
| 1970 | 24,901 | 79,259 | 2.46 | 23.907 |
| 1975 | 27,662 | 82,107 | 2.20 | 25.200 |
| 1980 | 31,313 | 86,674 | 2.51 | 26.540 |
| 1985 | 35,299 | 91,119 | 2.60 | 27.923 |
| 1990 | 40,557 | 97,628 | 2.65 | 29.349 |
| 1995 | 42,297 | 104,747 | 0.54 | 28.765 |
| 2000 | 43,591 | 113,358 | 0.43 | 27.774 |
| 2005 | 37,794 | 125,920 | -3.48 | 23.085 |
| 2010 | 31,841 | 140,739 | -3.10 | 18.450 |
| 2015 | 32,809 | 144,397 | 0.62 | 18.515 |
| 2020 | 34,141 | 147,062 | 0.88 | 18.841 |
| 2021 | 34,454 | 147,455 | 0.92 | 18.940 |
| Age group | Male | Female | Total | M per 100 F | |
|---|---|---|---|---|---|
| Persons | Share (%) | ||||
| 00-04 | 5,411 | 5,262 | 10,673 | 5.79 | 102.832 |
| 05-09 | 5,576 | 5,436 | 11,012 | 5.97 | 102.575 |
| 10-14 | 5,569 | 5,425 | 10,994 | 5.96 | 102.654 |
| 15-19 | 6,372 | 6,293 | 12,665 | 6.87 | 101.255 |
| 20-24 | 7,674 | 7,709 | 15,383 | 8.34 | 99.546 |
| 25-29 | 8,548 | 8,511 | 17,059 | 9.25 | 100.435 |
| 30-34 | 7,235 | 7,464 | 14,699 | 7.97 | 96.932 |
| 35-39 | 6,862 | 7,333 | 14,195 | 7.70 | 93.577 |
| 40-44 | 6,395 | 6,672 | 13,067 | 7.09 | 95.848 |
| 45-49 | 6,010 | 6,585 | 12,595 | 6.83 | 91.268 |
| 50-54 | 5,986 | 6,405 | 12,391 | 6.72 | 93.458 |
| 55-59 | 5,461 | 5,838 | 11,299 | 6.13 | 93.542 |
| 60-64 | 4,197 | 4,656 | 8,853 | 4.80 | 90.142 |
| 65-69 | 3,142 | 3,267 | 6,409 | 3.48 | 96.174 |
| 70-74 | 2,394 | 2,598 | 4,992 | 2.71 | 92.148 |
| 75-79 | 1,685 | 1,889 | 3,574 | 1.94 | 89.201 |
| 80-84 | 1,205 | 1,236 | 2,441 | 1.32 | 97.492 |
| 85-89 | 641 | 657 | 1,298 | 0.70 | 97.565 |
| 90-94 | 303 | 296 | 599 | 0.32 | 102.365 |
| 95-99 | 103 | 66 | 169 | 0.09 | 156.061 |
| 100+ | 26 | 8 | 34 | 0.02 | 325.000 |
| Total | 90,795 | 93,606 | 184,401 | 96.997 | |