| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
The current population of American Samoa is 42,550 as of April 25, 2024, based on interpolation of the latest United Nations data. The population of American Samoa is projected at 55,100 or 55.1 thousands or 3.98 crore as of July 1, 2021. The total population in American Samoa is projected at 55,191 or 55.2 thousands people for the year 2020. American Samoa ranks number 210th in the world by population in the list of 235 countries/territories. American Samoa is ranked 16th among 58 countries in Oceania.
American Samoa's population peaked in 2004 with 59.7 thousand people after American Samoa's population decreased year by year. The American Samoa population is projected to reach 54.7 thousand in 2030 and decrease further to 54.7 thousand in 2050 and 53.6 thousand by 2100. American Samoa accounts for 0.00070 percent growth rates of the world population. Its global share has been declining since 0.00091% of 2005 and is projected to decline at 0.00033% by 2100.
American Samoa was at 208th position globally in 1950, and its rank is projected to decline at 217th in 2100.
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 2020 | 55,191 | -121 | -0.22 | 0.00069 |
| 2021 | 55,100 | -91 | -0.16 | 0.00068 |
| 2022 | 55,030 | -70 | -0.13 | 0.00068 |
| 2023 | 54,984 | -46 | -0.08 | 0.00067 |
| 2024 | 54,930 | -54 | -0.10 | 0.00066 |
| 2025 | 54,890 | -40 | -0.07 | 0.00066 |
| 2026 | 54,850 | -40 | -0.07 | 0.00065 |
| 2027 | 54,820 | -30 | -0.05 | 0.00065 |
| 2028 | 54,792 | -28 | -0.05 | 0.00064 |
| 2029 | 54,764 | -28 | -0.05 | 0.00064 |
| 2030 | 54,728 | -36 | -0.07 | 0.00063 |
| 2031 | 54,691 | -37 | -0.07 | 0.00063 |
| 2032 | 54,654 | -37 | -0.07 | 0.00062 |
| 2033 | 54,613 | -41 | -0.08 | 0.00062 |
| 2034 | 54,564 | -49 | -0.09 | 0.00061 |
| 2035 | 54,521 | -43 | -0.08 | 0.00061 |
| 2036 | 54,469 | -52 | -0.10 | 0.00060 |
| 2037 | 54,421 | -48 | -0.09 | 0.00060 |
| 2038 | 54,370 | -51 | -0.09 | 0.00059 |
| 2039 | 54,317 | -53 | -0.10 | 0.00059 |
| 2040 | 54,264 | -53 | -0.10 | 0.00058 |
| 2041 | 54,192 | -72 | -0.13 | 0.00058 |
| 2042 | 54,122 | -70 | -0.13 | 0.00057 |
| 2043 | 54,050 | -72 | -0.13 | 0.00057 |
| 2044 | 53,983 | -67 | -0.12 | 0.00057 |
| 2045 | 53,920 | -63 | -0.12 | 0.00056 |
| 2046 | 53,854 | -66 | -0.12 | 0.00056 |
| 2047 | 53,788 | -66 | -0.12 | 0.00056 |
| 2048 | 53,735 | -53 | -0.10 | 0.00055 |
| 2049 | 53,669 | -66 | -0.12 | 0.00055 |
| 2050 | 53,581 | -88 | -0.16 | 0.00055 |
| 2051 | 53,489 | -92 | -0.17 | 0.00054 |
| 2052 | 53,387 | -102 | -0.19 | 0.00054 |
| 2053 | 53,264 | -123 | -0.23 | 0.00054 |
| 2054 | 53,149 | -115 | -0.22 | 0.00053 |
| 2055 | 53,016 | -133 | -0.25 | 0.00053 |
| 2056 | 52,877 | -139 | -0.26 | 0.00053 |
| 2057 | 52,730 | -147 | -0.28 | 0.00053 |
| 2058 | 52,583 | -147 | -0.28 | 0.00052 |
| 2059 | 52,425 | -158 | -0.30 | 0.00052 |
| 2060 | 52,253 | -172 | -0.33 | 0.00052 |
| 2061 | 52,077 | -176 | -0.34 | 0.00051 |
| 2062 | 51,892 | -185 | -0.36 | 0.00051 |
| 2063 | 51,698 | -194 | -0.37 | 0.00051 |
| 2064 | 51,494 | -204 | -0.39 | 0.00050 |
| 2065 | 51,285 | -209 | -0.41 | 0.00050 |
| 2066 | 51,058 | -227 | -0.44 | 0.00050 |
| 2067 | 50,823 | -235 | -0.46 | 0.00049 |
| 2068 | 50,565 | -258 | -0.51 | 0.00049 |
| 2069 | 50,305 | -260 | -0.51 | 0.00049 |
| 2070 | 50,026 | -279 | -0.55 | 0.00048 |
| 2071 | 49,732 | -294 | -0.59 | 0.00048 |
| 2072 | 49,424 | -308 | -0.62 | 0.00048 |
| 2073 | 49,100 | -324 | -0.66 | 0.00047 |
| 2074 | 48,758 | -342 | -0.70 | 0.00047 |
| 2075 | 48,408 | -350 | -0.72 | 0.00047 |
| 2076 | 48,038 | -370 | -0.76 | 0.00046 |
| 2077 | 47,647 | -391 | -0.81 | 0.00046 |
| 2078 | 47,250 | -397 | -0.83 | 0.00045 |
| 2079 | 46,828 | -422 | -0.89 | 0.00045 |
| 2080 | 46,398 | -430 | -0.92 | 0.00045 |
| 2081 | 45,951 | -447 | -0.96 | 0.00044 |
| 2082 | 45,496 | -455 | -0.99 | 0.00044 |
| 2083 | 45,026 | -470 | -1.03 | 0.00043 |
| 2084 | 44,543 | -483 | -1.07 | 0.00043 |
| 2085 | 44,056 | -487 | -1.09 | 0.00042 |
| 2086 | 43,558 | -498 | -1.13 | 0.00042 |
| 2087 | 43,052 | -506 | -1.16 | 0.00041 |
| 2088 | 42,552 | -500 | -1.16 | 0.00041 |
| 2089 | 42,033 | -519 | -1.22 | 0.00040 |
| 2090 | 41,516 | -517 | -1.23 | 0.00040 |
| 2091 | 40,991 | -525 | -1.26 | 0.00039 |
| 2092 | 40,469 | -522 | -1.27 | 0.00039 |
| 2093 | 39,937 | -532 | -1.31 | 0.00038 |
| 2094 | 39,401 | -536 | -1.34 | 0.00038 |
| 2095 | 38,861 | -540 | -1.37 | 0.00037 |
| 2096 | 38,323 | -538 | -1.38 | 0.00037 |
| 2097 | 37,784 | -539 | -1.41 | 0.00036 |
| 2098 | 37,238 | -546 | -1.45 | 0.00036 |
| 2099 | 36,697 | -541 | -1.45 | inf |
| 2100 | 36,148 | -549 | -1.50 | inf |
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 1950 | 18,940 | - | - | 0.00076 |
| 1951 | 19,293 | 353 | 1.86 | 0.00076 |
| 1952 | 19,542 | 249 | 1.29 | 0.00075 |
| 1953 | 19,695 | 153 | 0.78 | 0.00075 |
| 1954 | 19,753 | 58 | 0.29 | 0.00073 |
| 1955 | 19,754 | 1 | 0.01 | 0.00072 |
| 1956 | 19,709 | -45 | -0.23 | 0.00070 |
| 1957 | 19,667 | -42 | -0.21 | 0.00069 |
| 1958 | 19,690 | 23 | 0.12 | 0.00068 |
| 1959 | 19,824 | 134 | 0.68 | 0.00067 |
| 1960 | 20,123 | 299 | 1.51 | 0.00067 |
| 1961 | 20,602 | 479 | 2.38 | 0.00067 |
| 1962 | 21,253 | 651 | 3.16 | 0.00068 |
| 1963 | 22,034 | 781 | 3.67 | 0.00069 |
| 1964 | 22,854 | 820 | 3.72 | 0.00070 |
| 1965 | 23,672 | 818 | 3.58 | 0.00071 |
| 1966 | 24,462 | 790 | 3.34 | 0.00072 |
| 1967 | 25,248 | 786 | 3.21 | 0.00073 |
| 1968 | 25,989 | 741 | 2.93 | 0.00073 |
| 1969 | 26,703 | 714 | 2.75 | 0.00074 |
| 1970 | 27,363 | 660 | 2.47 | 0.00074 |
| 1971 | 27,984 | 621 | 2.27 | 0.00074 |
| 1972 | 28,567 | 583 | 2.08 | 0.00074 |
| 1973 | 29,100 | 533 | 1.87 | 0.00074 |
| 1974 | 29,596 | 496 | 1.70 | 0.00074 |
| 1975 | 30,052 | 456 | 1.54 | 0.00074 |
| 1976 | 30,456 | 404 | 1.34 | 0.00074 |
| 1977 | 30,838 | 382 | 1.25 | 0.00073 |
| 1978 | 31,269 | 431 | 1.40 | 0.00073 |
| 1979 | 31,845 | 576 | 1.84 | 0.00073 |
| 1980 | 32,646 | 801 | 2.52 | 0.00073 |
| 1981 | 33,701 | 1,055 | 3.23 | 0.00074 |
| 1982 | 34,968 | 1,267 | 3.76 | 0.00076 |
| 1983 | 36,412 | 1,444 | 4.13 | 0.00078 |
| 1984 | 37,946 | 1,534 | 4.21 | 0.00079 |
| 1985 | 39,519 | 1,573 | 4.15 | 0.00081 |
| 1986 | 41,119 | 1,600 | 4.05 | 0.00083 |
| 1987 | 42,740 | 1,621 | 3.94 | 0.00085 |
| 1988 | 44,343 | 1,603 | 3.75 | 0.00086 |
| 1989 | 45,894 | 1,551 | 3.50 | 0.00088 |
| 1990 | 47,347 | 1,453 | 3.17 | 0.00089 |
| 1991 | 48,685 | 1,338 | 2.83 | 0.00090 |
| 1992 | 49,896 | 1,211 | 2.49 | 0.00091 |
| 1993 | 51,020 | 1,124 | 2.25 | 0.00091 |
| 1994 | 52,095 | 1,075 | 2.11 | 0.00092 |
| 1995 | 53,161 | 1,066 | 2.05 | 0.00093 |
| 1996 | 54,211 | 1,050 | 1.98 | 0.00093 |
| 1997 | 55,221 | 1,010 | 1.86 | 0.00093 |
| 1998 | 56,171 | 950 | 1.72 | 0.00094 |
| 1999 | 57,053 | 882 | 1.57 | 0.00094 |
| 2000 | 57,821 | 768 | 1.35 | 0.00094 |
| 2001 | 58,494 | 673 | 1.16 | 0.00094 |
| 2002 | 59,080 | 586 | 1.00 | 0.00094 |
| 2003 | 59,504 | 424 | 0.72 | 0.00093 |
| 2004 | 59,681 | 177 | 0.30 | 0.00092 |
| 2005 | 59,562 | -119 | -0.20 | 0.00091 |
| 2006 | 59,107 | -455 | -0.76 | 0.00089 |
| 2007 | 58,365 | -742 | -1.26 | 0.00087 |
| 2008 | 57,492 | -873 | -1.50 | 0.00084 |
| 2009 | 56,683 | -809 | -1.41 | 0.00082 |
| 2010 | 56,079 | -604 | -1.07 | 0.00080 |
| 2011 | 55,759 | -320 | -0.57 | 0.00079 |
| 2012 | 55,667 | -92 | -0.16 | 0.00078 |
| 2013 | 55,713 | 46 | 0.08 | 0.00077 |
| 2014 | 55,791 | 78 | 0.14 | 0.00076 |
| 2015 | 55,812 | 21 | 0.04 | 0.00075 |
| 2016 | 55,741 | -71 | -0.13 | 0.00074 |
| 2017 | 55,620 | -121 | -0.22 | 0.00073 |
| 2018 | 55,465 | -155 | -0.28 | 0.00072 |
| 2019 | 55,312 | -153 | -0.28 | 0.00071 |