While St Lucia does have a high emigration rate, its population continues to grow steadily at about 1.2% per year. Many people migrate from the nation to Anglophone countries, particularly the United Kingdom (with 10,000 Saint Lucian-born residents) and the United States.
| Saint Lucia Population (as of 7/22/2021) | 184,444 |
| Last UN Estimate (July 1, 2021) | 184,400 |
| Births per Day | 6 |
| Deaths per Day | 4 |
| Migrations per Day | |
| Net Change per Day | 2 |
| Population Change Since Jan. 1 | 406 |
Net increase of 1 person every } 2
Population estimates based on interpolation of data from World Population Prospects
Estimate as of July 22, 2021 is: 184,500
| One birth every 240 minutes | |
| One death every 360 minutes | |
| One net migrant every Infinity minutes | |
| Net gain of one person every 720 minutes |
| Name | Population |
|---|---|
| Castries | 20,000 |
| Bisee | 12,980 |
| Vieux Fort | 4,574 |
| Micoud | 3,406 |
| Soufriere | 2,918 |
| Dennery | 2,870 |
| Gros Islet | 2,362 |
| Anse La Raye | 1,256 |
| Laborie | 1,131 |
| Choiseul | 346 |
| Year | Population | Growth Rate | Density (km²) | Population Rank | Density Rank |
|---|---|---|---|---|---|
| 2021 | 184,400 | 0.48% | 302.30 | 189 | 46 |
| 2020 | 183,627 | 0.46% | 301.03 | 189 | 46 |
| 2019 | 182,790 | 0.50% | 299.66 | 189 | 46 |
| 2018 | 181,889 | 0.52% | 298.18 | 189 | 47 |
| 2017 | 180,954 | 0.52% | 296.65 | 189 | 47 |
| 2016 | 180,024 | 0.50% | 295.12 | 189 | 47 |
| 2015 | 179,126 | 0.57% | 293.65 | 189 | 47 |
| 2010 | 174,085 | 1.27% | 285.39 | 189 | 46 |
| 2005 | 163,417 | 0.84% | 267.90 | 188 | 49 |
| 2000 | 156,729 | 1.31% | 256.93 | 187 | 48 |
| 1995 | 146,870 | 1.25% | 240.77 | 186 | 47 |
| 1990 | 138,020 | 1.80% | 226.26 | 188 | 48 |
| 1985 | 126,244 | 1.39% | 206.96 | 188 | 45 |
| 1980 | 117,822 | 1.45% | 193.15 | 187 | 43 |
| 1975 | 109,627 | 1.06% | 179.72 | 186 | 43 |
| 1970 | 104,015 | 1.59% | 170.52 | 186 | 43 |
| 1965 | 96,134 | 1.40% | 157.60 | 183 | 40 |
| 1960 | 89,697 | 0.73% | 147.04 | 182 | 40 |
| 1955 | 86,477 | 0.88% | 141.77 | 178 | 38 |
| Year | Population | Growth Rate | Density (km²) | Population Rank | Density Rank |
|---|---|---|---|---|---|
| 2022 | 185,113 | 0.46% | 303.46 | 189 | 46 |
| 2023 | 185,771 | 0.42% | 304.54 | 189 | 46 |
| 2024 | 186,372 | 0.39% | 305.53 | 189 | 47 |
| 2025 | 186,920 | 0.36% | 306.43 | 189 | 47 |
| 2030 | 188,738 | 0.19% | 309.41 | 189 | 48 |
| 2035 | 189,056 | 0.03% | 309.93 | 190 | 51 |
| 2040 | 187,944 | -0.12% | 308.10 | 191 | 53 |
| 2045 | 185,589 | -0.25% | 304.24 | 191 | 52 |
| 2050 | 182,129 | -0.38% | 298.57 | 191 | 55 |
| 2055 | 177,719 | -0.49% | 291.34 | 192 | 56 |
| 2060 | 172,516 | -0.59% | 282.81 | 193 | 56 |
| 2065 | 166,748 | -0.68% | 273.36 | 193 | 58 |
| 2070 | 160,523 | -0.76% | 263.15 | 193 | 60 |
| 2075 | 153,917 | -0.84% | 252.32 | 193 | 65 |
| 2080 | 147,046 | -0.91% | 241.06 | 193 | 69 |
| 2085 | 140,122 | -0.96% | 229.71 | 194 | 70 |
| 2090 | 133,484 | -0.97% | 218.83 | 194 | 71 |
| 2095 | 127,438 | -0.92% | 208.91 | 194 | 75 |
34.8
33.7
36
There are 144,420 adults in Saint Lucia.
The capital and largest city is Castries, with a 2014 population of 70,000, or more than one-third of the total population. Castries is a major tourist destination and a cruise ship port.
St Lucia's population is evenly split between rural and urban areas, despite the high population in Castries. The population is mostly African or of mixed African-European descent, with a small population of Indo-Caribbeans (3%). Afro-Caribbeans account for 68% of the population, followed by mixed (17%) and European (5%).
The official language is English, with Saint Lucian Creole French (called Patwah locally) spoken by 95% of the people. 70% of the population is Roman Catholic, while most of the remaining population belonging to other denominations such as Seventh-day Adventism (7%) and Pentecostalism (6%).
Interestingly, St Lucia has produced the highest ratio of Nobel laureates compared to the total population of any sovereign nation.