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 1/27/2023) | 180,012 |
| Next UN Estimate (July 1, 2023) | 180,251 |
| Births per Day | 6 |
| Deaths per Day | 4 |
| Migrations per Day | |
| Net Change per Day | 2 |
| Population Change Since Jan. 1 | 54 |
Net increase of 1 person every 720 minutes
Population estimates based on interpolation of data from World Population Prospects
| One birth every 240 minutes | |
| One death every 360 minutes | |
| One immigrant every Infinity minutes | |
| Net gain of one person every 720 minutes |
36.9
Total
35.7
Male
38
Female
There are people over age 18 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.