The population of Saint Kitts and Nevis is expected to grow by 70 in 2026 and reach 47,053 in 2027. Migration (including immigration and emigration) increases population by 11 people yearly. On average there are 531 births and 477 deaths in Saint Kitts and Nevis per year. Rate of natural increase is approximately 0.12 percent per year. The population density of Saint Kitts and Nevis has changed from 164.8 in 1980 to 179.5 in 2024.
| Current population | 47,043 people at present (Wednesday 4th of November 2026) | |
| Median Age | 37.7 years |
| Life expectancy | 72.6 years | |
| Population density | 180.7 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2026 | 46,992 | 70 (0.2%) | 11 | 37.7 | 1.51 | 181 | 15,043 (32.0%) |
| 2025 | 46,922 | 79 (0.2%) | 18 | 37.5 | 1.52 | 181 | 14,968 (31.9%) |
| 2024 | 0 | 0 (0.0%) | -7 | 37.2 | 1.53 | 179 | 14,894 (31.8%) |
| 2023 | 0 | 0 (0.0%) | 0 | 36.9 | 1.51 | 179 | 14,823 (31.7%) |
| 2022 | 0 | 0 (0.0%) | 0 | 36.7 | 1.51 | 180 | 14,767 (31.6%) |
| 2021 | 0 | 0 (0.0%) | -92 | 36.5 | 1.53 | 180 | 14,749 (31.5%) |
| 2020 | 46,870 | -82 (-0.2%) | -202 | 36.2 | 1.55 | 180 | 14,751 (31.5%) |
| 2019 | 0 | 0 (0.0%) | -202 | 35.8 | 1.57 | 181 | 14,749 (31.4%) |
| 2018 | 0 | 0 (0.0%) | -202 | 35.5 | 1.59 | 181 | 14,742 (31.4%) |
| 2017 | 0 | 0 (0.0%) | -202 | 35.1 | 1.61 | 181 | 14,735 (31.3%) |
| 2016 | 0 | 0 (0.0%) | -202 | 34.7 | 1.63 | 181 | 14,725 (31.3%) |
| 2015 | 47,087 | -2 (0.0%) | -202 | 34.4 | 1.64 | 181 | 14,715 (31.3%) |
| 2010 | 46,846 | -70 (-0.2%) | -449 | 32.8 | 1.76 | 180 | 14,665 (31.3%) |
| 2005 | 46,437 | 122 (0.3%) | -234 | 31.0 | 1.93 | 179 | 14,851 (32.0%) |
| 2000 | 45,248 | 647 (1.4%) | 291 | 29.7 | 2.13 | 174 | 14,825 (32.8%) |
| 1995 | 42,326 | 550 (1.3%) | 162 | 28.7 | 2.30 | 163 | 14,283 (33.7%) |
| 1990 | 40,432 | -326 (-0.8%) | -812 | 28.1 | 2.73 | 156 | 14,004 (34.6%) |
| 1985 | 41,874 | -239 (-0.6%) | -821 | 27.6 | 2.82 | 161 | 14,851 (35.5%) |
| 1980 | 42,850 | -183 (-0.4%) | -798 | 27.1 | 3.26 | 165 | 15,384 (35.9%) |
| 1975 | 43,606 | -132 (-0.3%) | -813 | 26.3 | 3.68 | 125 | 15,437 (35.4%) |
| 1970 | 44,606 | -1,125 (-2.5%) | -1,227 | 25.2 | 4.73 | 127 | 15,255 (34.2%) |
| 1965 | 51,139 | -1,187 (-2.3%) | -2,447 | 24.9 | 6.01 | 146 | 15,794 (30.9%) |
| 1960 | 55,810 | -476 (-0.9%) | -1,725 | 24.3 | 6.54 | 215 | 15,368 (27.5%) |
In 2025 the population of Saint Kitts and Nevis was 46,922 and the average age increased from 24.3 in 1960 to 37.5. Urban population has increased from 14,825 (32.8%) in 2000 to 15,043 (32.0%) in the current year. The population density of Saint Kitts and Nevis has changed from 164.8 in 1980 to 179.5 in 2024.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -202 | 36.2 | 1.55 | 180 | 14,751 (31.5%) |
| 2025 | 0 | 0 (0.0%) | 18 | 37.5 | 1.52 | 181 | 14,968 (31.9%) |
| 2030 | 47,134 | 17 (0.0%) | 8 | 38.8 | 1.48 | 181 | 15,351 (32.6%) |
| 2035 | 46,928 | -85 (-0.2%) | -14 | 40.2 | 1.48 | 181 | 15,729 (33.5%) |
| 2040 | 46,313 | -150 (-0.3%) | -22 | 41.5 | 1.49 | 178 | 16,108 (34.8%) |
| 2045 | 45,367 | -210 (-0.5%) | -30 | 42.6 | 1.50 | 175 | 16,512 (36.4%) |
| 2050 | 44,249 | -232 (-0.5%) | -23 | 43.5 | 1.50 | 170 | 16,991 (38.4%) |
The life expectancy at birth should reach 76.2 (72.6 years for male and 79.6 years for females). Population density will go up to 170.2 people per square kilometer.
The population growth rate is 0.15% (79 residents, including 467 deaths). The demographics of Saint Kitts and Nevis constitutes of 24,552 women and 22,440 men, which means there are 914 men per 1000 women. As far as age distribution goes, 24.4% of population (11,466) is 19 or younger, 63.5% of population (29,821) is between age 20 and 64 and 12.2% of population (5,714) is over 65.