The population of Saint Kitts and Nevis is 46.843 people as of July 1, 7, based on the latest estimates of United Nations. Saint Kitts and Nevis is 261 km2 wide, an island nation in the region. Caribbean Sea.
Quick facts about Saint Kitts and Nevis population

- Population: 46.843
- % of World population: 0,00%
- World Ranking: 211
- % annual change: 0,17%.
- Annual change: 80
- Net migration (people): -7
- Density (people/Km²): 180
- Sex ratio (Male/100 Female): 91,8
- Fertility rate: 1,53
- Median age: 35,8
- Average life expectancy: 72,3

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Saint Kitts and Nevis Population and History
| Year | Population | % annual change | Changes by year | Net migration | Median age | Average life expectancy | Sex Ratio (Male/100 Female) | Density (N/Km²) |
| 2024 | 46.843 | 0,17%. | 80 | -7 | 35,8 | 72,3 | 91,8 | 180,2 |
| 2023 | 46.758 | 0,19%. | 90 | 0 | 35,3 | 72,1 | 92,0 | 179,8 |
| 2022 | 46.709 | 0,02%. | 7 | 0 | 35,0 | 70,3 | 92,3 | 179,7 |
| 2021 | 46.763 | -0,24% | -114 | -92 | 34,6 | 69,3 | 92,6 | 179,9 |
| 2020 | 46.870 | -0,21% | -100 | -202 | 34,2 | 71,2 | 93,0 | 180,3 |
| 2015 | 47.087 | -0,02% | -11 | -202 | 31,8 | 71,2 | 95,1 | 181,1 |
| 2010 | 46.846 | -0,38% | -177 | -449 | 29,6 | 71,5 | 96,4 | 180,2 |
| 2005 | 46.437 | 0,26%. | 122 | -234 | 27,5 | 71,2 | 98,3 | 178,6 |
| 2000 | 45.248 | 1,47%. | 665 | 291 | 25,7 | 69,2 | 99,3 | 174,0 |
| 1995 | 42.326 | 1,32%. | 560 | 162 | 23,7 | 67,2 | 98,3 | 162,8 |
| 1990 | 40.432 | -0,84% | -338 | -812 | 22,3 | 65,6 | 96,7 | 155,5 |
| 1985 | 41.874 | -0,60% | -251 | -821 | 21,1 | 65,5 | 94,5 | 161,1 |
| 1980 | 42.850 | -0,36% | -152 | -798 | 19,1 | 64,4 | 92,4 | 164,8 |
| 1975 | 43.606 | -0,29% | -127 | -813 | 17,4 | 63,2 | 90,4 | 167,7 |
| 1970 | 44.606 | -1,38% | -615 | -1.227 | 15,0 | 61,4 | 88,0 | 171,6 |
| 1965 | 51.139 | -2,39% | -1.221 | -2.447 | 15,9 | 59,6 | 86,8 | 196,7 |
| 1960 | 55.810 | -0,30% | -166 | -1.725 | 16,3 | 56,8 | 85,0 | 214,7 |
| 1955 | 52.134 | 1,60%. | 832 | -777 | 17,0 | 56,4 | 83,0 | 200,5 |
| 1950 | 47.232 | 2,22%. | 1.050 | -553 | 21,2 | 54,8 | 79,4 | 181,7 |
Population forecast Saint Kitts and Nevis
| Year | Population | % annual change | Changes by year | Net migration | Median age | Average life expectancy | Sex Ratio (Male/100 Female) | Density (N/Km²) |
| 2025 | 46.922 | 0,16%. | 77 | 18 | 36,2 | 72,4 | 91,6 | 180,5 |
| 2030 | 47.134 | 0,02%. | 10 | 8 | 38,1 | 73,2 | 90,4 | 181,3 |
| 2035 | 46.928 | -0,21% | -97 | -14 | 39,8 | 73,9 | 89,2 | 180,5 |
| 2040 | 46.313 | -0,33% | -152 | -22 | 41,4 | 74,7 | 88,3 | 178,1 |
| 2045 | 45.367 | -0,48% | -217 | -30 | 43,0 | 75,4 | 87,6 | 174,5 |
| 2050 | 44.249 | -0,56% | -247 | -23 | 43,9 | 76,2 | 87,3 | 170,2 |
| 2055 | 42.932 | -0,66% | -284 | -30 | 45,0 | 76,9 | 87,1 | 165,1 |
| 2060 | 41.541 | -0,63% | -262 | 0 | 45,5 | 77,6 | 87,1 | 159,8 |
| 2065 | 40.164 | -0,74% | -296 | -7 | 46,4 | 78,3 | 87,4 | 154,5 |
| 2070 | 38.667 | -0,80% | -310 | 0 | 47,2 | 79,0 | 88,0 | 148,7 |
| 2075 | 37.126 | -0,84% | -310 | -1 | 47,7 | 79,7 | 88,7 | 142,8 |
| 2080 | 35.592 | -0,83% | -295 | -1 | 48,0 | 80,4 | 89,7 | 136,9 |
| 2085 | 34.133 | -0,81% | -277 | 0 | 48,3 | 81,1 | 90,7 | 131,3 |
| 2090 | 32.749 | -0,81% | -265 | 0 | 48,6 | 81,8 | 91,7 | 126,0 |
| 2095 | 31.457 | -0,80% | -252 | 1 | 48,9 | 82,4 | 92,7 | 121,0 |
| 2100 | 30.239 | -0,75% | -228 | 2 | 49,2 | 83,0 | 93,5 | 116,3 |
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