| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
The current population of Saint Kitts and Nevis is 54,253 as of September 26, 2023, based on interpolation of the latest United Nations data. The population of Saint Kitts and Nevis is projected at 53,544 or 53.54 thousands as of July 1, 2021. The total population in Saint Kitts and Nevis is projected at 53,199 or 53.20 thousands people for the year 2020. Saint Kitts and Nevis ranks number 211th in the world by population in the list of 235 countries/territories. Saint Kitts and Nevis is ranked 32nd among 41 countries in North America.
Saint Kitts and Nevis's population peak will be 2041 with 56.7 thousands people after Saint Kitts and Nevis's population will be decreased year by year. The Saint Kitts and Nevis population is projected to reach 55.8 thousands in 2030 and increase further to 56.2 thousands in 2050 and 43.4 thousands by 2100. Saint Kitts and Nevis accounts for 0.00068 percent of the world population. However, its global share declined by 0.00179% in 1951 and is projected to decline at 0.00040% by 2100.
Saint Kitts and Nevis was at 194th position globally in 1950, and its rank is projected to decline at 213th in 2100.
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 2020 | 53,199 | 376 | 0.71 | 0.00068 |
| 2021 | 53,544 | 345 | 0.65 | 0.00068 |
| 2022 | 53,871 | 327 | 0.61 | 0.00068 |
| 2023 | 54,176 | 305 | 0.57 | 0.00067 |
| 2024 | 54,463 | 287 | 0.53 | 0.00067 |
| 2025 | 54,741 | 278 | 0.51 | 0.00067 |
| 2026 | 54,988 | 247 | 0.45 | 0.00067 |
| 2027 | 55,229 | 241 | 0.44 | 0.00066 |
| 2028 | 55,444 | 215 | 0.39 | 0.00066 |
| 2029 | 55,642 | 198 | 0.36 | 0.00066 |
| 2030 | 55,832 | 190 | 0.34 | 0.00065 |
| 2031 | 55,996 | 164 | 0.29 | 0.00065 |
| 2032 | 56,142 | 146 | 0.26 | 0.00065 |
| 2033 | 56,277 | 135 | 0.24 | 0.00064 |
| 2034 | 56,395 | 118 | 0.21 | 0.00064 |
| 2035 | 56,490 | 95 | 0.17 | 0.00064 |
| 2036 | 56,570 | 80 | 0.14 | 0.00063 |
| 2037 | 56,636 | 66 | 0.12 | 0.00063 |
| 2038 | 56,683 | 47 | 0.08 | 0.00062 |
| 2039 | 56,721 | 38 | 0.07 | 0.00062 |
| 2040 | 56,730 | 9 | 0.02 | 0.00062 |
| 2041 | 56,741 | 11 | 0.02 | 0.00061 |
| 2042 | 56,735 | -6 | -0.01 | 0.00061 |
| 2043 | 56,706 | -29 | -0.05 | 0.00061 |
| 2044 | 56,665 | -41 | -0.07 | 0.00060 |
| 2045 | 56,610 | -55 | -0.10 | 0.00060 |
| 2046 | 56,545 | -65 | -0.11 | 0.00059 |
| 2047 | 56,472 | -73 | -0.13 | 0.00059 |
| 2048 | 56,379 | -93 | -0.16 | 0.00059 |
| 2049 | 56,271 | -108 | -0.19 | 0.00058 |
| 2050 | 56,161 | -110 | -0.20 | 0.00058 |
| 2051 | 56,023 | -138 | -0.25 | 0.00057 |
| 2052 | 55,886 | -137 | -0.24 | 0.00057 |
| 2053 | 55,734 | -152 | -0.27 | 0.00056 |
| 2054 | 55,565 | -169 | -0.30 | 0.00056 |
| 2055 | 55,389 | -176 | -0.32 | 0.00056 |
| 2056 | 55,199 | -190 | -0.34 | 0.00055 |
| 2057 | 55,007 | -192 | -0.35 | 0.00055 |
| 2058 | 54,791 | -216 | -0.39 | 0.00054 |
| 2059 | 54,582 | -209 | -0.38 | 0.00054 |
| 2060 | 54,351 | -231 | -0.42 | 0.00054 |
| 2061 | 54,121 | -230 | -0.42 | 0.00053 |
| 2062 | 53,881 | -240 | -0.44 | 0.00053 |
| 2063 | 53,634 | -247 | -0.46 | 0.00052 |
| 2064 | 53,374 | -260 | -0.48 | 0.00052 |
| 2065 | 53,116 | -258 | -0.48 | 0.00051 |
| 2066 | 52,850 | -266 | -0.50 | 0.00051 |
| 2067 | 52,581 | -269 | -0.51 | 0.00051 |
| 2068 | 52,298 | -283 | -0.54 | 0.00050 |
| 2069 | 52,022 | -276 | -0.53 | 0.00050 |
| 2070 | 51,743 | -279 | -0.54 | 0.00049 |
| 2071 | 51,456 | -287 | -0.55 | 0.00049 |
| 2072 | 51,168 | -288 | -0.56 | 0.00049 |
| 2073 | 50,876 | -292 | -0.57 | 0.00048 |
| 2074 | 50,586 | -290 | -0.57 | 0.00048 |
| 2075 | 50,296 | -290 | -0.57 | 0.00048 |
| 2076 | 50,003 | -293 | -0.58 | 0.00047 |
| 2077 | 49,710 | -293 | -0.59 | 0.00047 |
| 2078 | 49,424 | -286 | -0.58 | 0.00046 |
| 2079 | 49,133 | -291 | -0.59 | 0.00046 |
| 2080 | 48,841 | -292 | -0.59 | 0.00046 |
| 2081 | 48,553 | -288 | -0.59 | 0.00045 |
| 2082 | 48,263 | -290 | -0.60 | 0.00045 |
| 2083 | 47,982 | -281 | -0.58 | 0.00045 |
| 2084 | 47,689 | -293 | -0.61 | 0.00044 |
| 2085 | 47,417 | -272 | -0.57 | 0.00044 |
| 2086 | 47,134 | -283 | -0.60 | 0.00044 |
| 2087 | 46,852 | -282 | -0.60 | 0.00043 |
| 2088 | 46,575 | -277 | -0.59 | 0.00043 |
| 2089 | 46,299 | -276 | -0.59 | 0.00043 |
| 2090 | 46,028 | -271 | -0.59 | 0.00043 |
| 2091 | 45,751 | -277 | -0.60 | 0.00042 |
| 2092 | 45,475 | -276 | -0.60 | 0.00042 |
| 2093 | 45,213 | -262 | -0.58 | 0.00042 |
| 2094 | 44,943 | -270 | -0.60 | 0.00041 |
| 2095 | 44,680 | -263 | -0.59 | 0.00041 |
| 2096 | 44,414 | -266 | -0.60 | 0.00041 |
| 2097 | 44,157 | -257 | -0.58 | 0.00041 |
| 2098 | 43,901 | -256 | -0.58 | 0.00040 |
| 2099 | 43,648 | -253 | -0.58 | 0.00040 |
| 2100 | 43,394 | -254 | -0.58 | 0.00040 |
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 1950 | 46,049 | - | - | 0.00182 |
| 1951 | 46,143 | 94 | 0.20 | 0.00179 |
| 1952 | 46,489 | 346 | 0.75 | 0.00177 |
| 1953 | 47,052 | 563 | 1.21 | 0.00176 |
| 1954 | 47,737 | 685 | 1.46 | 0.00175 |
| 1955 | 48,492 | 755 | 1.58 | 0.00175 |
| 1956 | 49,251 | 759 | 1.57 | 0.00174 |
| 1957 | 49,951 | 700 | 1.42 | 0.00174 |
| 1958 | 50,544 | 593 | 1.19 | 0.00173 |
| 1959 | 50,973 | 429 | 0.85 | 0.00171 |
| 1960 | 51,195 | 222 | 0.44 | 0.00169 |
| 1961 | 51,192 | -3 | -0.01 | 0.00166 |
| 1962 | 50,963 | -229 | -0.45 | 0.00162 |
| 1963 | 50,525 | -438 | -0.86 | 0.00157 |
| 1964 | 49,931 | -594 | -1.18 | 0.00153 |
| 1965 | 49,214 | -717 | -1.44 | 0.00147 |
| 1966 | 48,358 | -856 | -1.74 | 0.00142 |
| 1967 | 47,381 | -977 | -2.02 | 0.00136 |
| 1968 | 46,397 | -984 | -2.08 | 0.00131 |
| 1969 | 45,534 | -863 | -1.86 | 0.00126 |
| 1970 | 44,883 | -651 | -1.43 | 0.00121 |
| 1971 | 44,490 | -393 | -0.88 | 0.00118 |
| 1972 | 44,320 | -170 | -0.38 | 0.00115 |
| 1973 | 44,311 | -9 | -0.02 | 0.00113 |
| 1974 | 44,328 | 17 | 0.04 | 0.00111 |
| 1975 | 44,272 | -56 | -0.13 | 0.00109 |
| 1976 | 44,143 | -129 | -0.29 | 0.00106 |
| 1977 | 43,942 | -201 | -0.46 | 0.00104 |
| 1978 | 43,708 | -234 | -0.53 | 0.00102 |
| 1979 | 43,455 | -253 | -0.58 | 0.00099 |
| 1980 | 43,205 | -250 | -0.58 | 0.00097 |
| 1981 | 42,960 | -245 | -0.57 | 0.00095 |
| 1982 | 42,728 | -232 | -0.54 | 0.00093 |
| 1983 | 42,482 | -246 | -0.58 | 0.00090 |
| 1984 | 42,199 | -283 | -0.67 | 0.00088 |
| 1985 | 41,866 | -333 | -0.79 | 0.00086 |
| 1986 | 41,479 | -387 | -0.92 | 0.00084 |
| 1987 | 41,041 | -438 | -1.06 | 0.00081 |
| 1988 | 40,641 | -400 | -0.97 | 0.00079 |
| 1989 | 40,354 | -287 | -0.71 | 0.00077 |
| 1990 | 40,259 | -95 | -0.24 | 0.00076 |
| 1991 | 40,379 | 120 | 0.30 | 0.00075 |
| 1992 | 40,697 | 318 | 0.79 | 0.00074 |
| 1993 | 41,135 | 438 | 1.08 | 0.00074 |
| 1994 | 41,617 | 482 | 1.17 | 0.00073 |
| 1995 | 42,074 | 457 | 1.10 | 0.00073 |
| 1996 | 42,475 | 401 | 0.95 | 0.00073 |
| 1997 | 42,854 | 379 | 0.89 | 0.00073 |
| 1998 | 43,221 | 367 | 0.86 | 0.00072 |
| 1999 | 43,614 | 393 | 0.91 | 0.00072 |
| 2000 | 44,074 | 460 | 1.05 | 0.00072 |
| 2001 | 44,599 | 525 | 1.19 | 0.00072 |
| 2002 | 45,165 | 566 | 1.27 | 0.00072 |
| 2003 | 45,746 | 581 | 1.29 | 0.00072 |
| 2004 | 46,324 | 578 | 1.26 | 0.00072 |
| 2005 | 46,857 | 533 | 1.15 | 0.00072 |
| 2006 | 47,339 | 482 | 1.03 | 0.00071 |
| 2007 | 47,778 | 439 | 0.93 | 0.00071 |
| 2008 | 48,185 | 407 | 0.85 | 0.00071 |
| 2009 | 48,599 | 414 | 0.86 | 0.00071 |
| 2010 | 49,016 | 417 | 0.86 | 0.00070 |
| 2011 | 49,447 | 431 | 0.88 | 0.00070 |
| 2012 | 49,887 | 440 | 0.89 | 0.00070 |
| 2013 | 50,331 | 444 | 0.89 | 0.00070 |
| 2014 | 50,774 | 443 | 0.88 | 0.00070 |
| 2015 | 51,203 | 429 | 0.84 | 0.00069 |
| 2016 | 51,625 | 422 | 0.82 | 0.00069 |
| 2017 | 52,045 | 420 | 0.81 | 0.00069 |
| 2018 | 52,441 | 396 | 0.76 | 0.00069 |
| 2019 | 52,823 | 382 | 0.73 | 0.00068 |