| Source | UN (World Population Prospects 2019) |
| Date | 23 Dec 2024 |
The current population of Guam is 168,666 as of March 18, 2025, based on interpolation of the latest United Nations data. The population of Guam is projected at 167,777, or 168k, as of July 1, 2024. The total population in Guam is projected at 166,506, or 167k people, for the year 2023.
Guam is the tenth-most populous country in Oceania, and at 192nd position in the world in the list of 237 countries/territories.
| Year | Population | Growth | Share (%) | ||
|---|---|---|---|---|---|
| 1 Jan | 1 July | Net Change | rate (%) | to World | |
| 2024 | 167,155 | 167,777 | 1,244 | 0.741 | 0.00206 |
| 2025 | 168,399 | 168,999 | 1,199 | 0.709 | 0.00205 |
| 2026 | 169,598 | 170,185 | 1,174 | 0.690 | 0.00205 |
| 2027 | 170,772 | 171,339 | 1,133 | 0.661 | 0.00205 |
| 2028 | 171,905 | 172,462 | 1,113 | 0.645 | 0.00204 |
| 2029 | 173,018 | 173,563 | 1,089 | 0.627 | 0.00204 |
| 2030 | 174,107 | 174,635 | 1,055 | 0.604 | 0.00204 |
| 2031 | 175,162 | 175,677 | 1,030 | 0.586 | 0.00203 |
| 2032 | 176,192 | 176,683 | 981 | 0.555 | 0.00203 |
| 2033 | 177,173 | 177,636 | 925 | 0.521 | 0.00203 |
| 2034 | 178,098 | 178,553 | 910 | 0.510 | 0.00202 |
| 2035 | 179,008 | 179,440 | 863 | 0.481 | 0.00202 |
| 2036 | 179,871 | 180,303 | 864 | 0.479 | 0.00202 |
| 2037 | 180,735 | 181,142 | 813 | 0.449 | 0.00201 |
| 2038 | 181,548 | 181,964 | 832 | 0.457 | 0.00201 |
| 2039 | 182,380 | 182,791 | 822 | 0.450 | 0.00200 |
| 2040 | 183,202 | 183,620 | 837 | 0.456 | 0.00200 |
| 2041 | 184,039 | 184,432 | 786 | 0.426 | 0.00200 |
| 2042 | 184,825 | 185,237 | 823 | 0.444 | 0.00199 |
| 2043 | 185,648 | 186,041 | 786 | 0.422 | 0.00199 |
| 2044 | 186,434 | 186,851 | 833 | 0.446 | 0.00199 |
| 2045 | 187,267 | 187,681 | 828 | 0.441 | 0.00199 |
| 2046 | 188,095 | 188,478 | 766 | 0.406 | 0.00199 |
| 2047 | 188,861 | 189,239 | 756 | 0.399 | 0.00198 |
| 2048 | 189,617 | 189,987 | 739 | 0.389 | 0.00198 |
| 2049 | 190,356 | 190,727 | 743 | 0.390 | 0.00198 |
| 2050 | 191,099 | 191,458 | 719 | 0.376 | 0.00198 |
| 2051 | 191,818 | 192,169 | 703 | 0.366 | 0.00198 |
| 2052 | 192,521 | 192,854 | 666 | 0.345 | 0.00198 |
| 2053 | 193,187 | 193,505 | 636 | 0.329 | 0.00198 |
| 2054 | 193,823 | 194,117 | 588 | 0.303 | 0.00198 |
| 2055 | 194,411 | 194,723 | 624 | 0.320 | 0.00198 |
| 2056 | 195,035 | 195,306 | 542 | 0.278 | 0.00198 |
| 2057 | 195,577 | 195,845 | 535 | 0.273 | 0.00198 |
| 2058 | 196,112 | 196,361 | 497 | 0.253 | 0.00198 |
| 2059 | 196,609 | 196,841 | 465 | 0.236 | 0.00198 |
| 2060 | 197,074 | 197,278 | 408 | 0.207 | 0.00197 |
| 2061 | 197,482 | 197,700 | 435 | 0.220 | 0.00197 |
| 2062 | 197,917 | 198,108 | 382 | 0.193 | 0.00197 |
| 2063 | 198,299 | 198,494 | 391 | 0.197 | 0.00197 |
| 2064 | 198,690 | 198,906 | 432 | 0.217 | 0.00197 |
| 2065 | 199,122 | 199,316 | 389 | 0.195 | 0.00197 |
| 2066 | 199,511 | 199,720 | 417 | 0.209 | 0.00197 |
| 2067 | 199,928 | 200,131 | 407 | 0.203 | 0.00197 |
| 2068 | 200,335 | 200,513 | 357 | 0.178 | 0.00197 |
| 2069 | 200,692 | 200,876 | 368 | 0.183 | 0.00197 |
| 2070 | 201,060 | 201,241 | 362 | 0.180 | 0.00198 |
| 2071 | 201,422 | 201,625 | 407 | 0.202 | 0.00198 |
| 2072 | 201,829 | 202,041 | 423 | 0.209 | 0.00198 |
| 2073 | 202,252 | 202,451 | 397 | 0.196 | 0.00198 |
| 2074 | 202,649 | 202,851 | 405 | 0.200 | 0.00198 |
| 2075 | 203,054 | 203,259 | 410 | 0.202 | 0.00198 |
| 2076 | 203,464 | 203,661 | 394 | 0.193 | 0.00199 |
| 2077 | 203,858 | 204,053 | 389 | 0.191 | 0.00199 |
| 2078 | 204,247 | 204,452 | 411 | 0.201 | 0.00199 |
| 2079 | 204,658 | 204,839 | 361 | 0.176 | 0.00199 |
| 2080 | 205,019 | 205,195 | 352 | 0.172 | 0.00200 |
| 2081 | 205,371 | 205,512 | 281 | 0.137 | 0.00200 |
| 2082 | 205,652 | 205,780 | 257 | 0.125 | 0.00200 |
| 2083 | 205,909 | 206,009 | 200 | 0.097 | 0.00200 |
| 2084 | 206,109 | 206,202 | 186 | 0.090 | 0.00200 |
| 2085 | 206,295 | 206,387 | 185 | 0.090 | 0.00201 |
| 2086 | 206,480 | 206,550 | 140 | 0.068 | 0.00201 |
| 2087 | 206,620 | 206,684 | 128 | 0.062 | 0.00201 |
| 2088 | 206,748 | 206,812 | 128 | 0.062 | 0.00201 |
| 2089 | 206,876 | 206,918 | 84 | 0.041 | 0.00201 |
| 2090 | 206,960 | 206,963 | 5 | 0.002 | 0.00201 |
| 2091 | 206,965 | 206,953 | -24 | -0.012 | 0.00202 |
| 2092 | 206,941 | 206,910 | -62 | -0.030 | 0.00202 |
| 2093 | 206,879 | 206,834 | -89 | -0.043 | 0.00202 |
| 2094 | 206,790 | 206,720 | -140 | -0.068 | 0.00202 |
| 2095 | 206,650 | 206,561 | -177 | -0.086 | 0.00202 |
| 2096 | 206,473 | 206,396 | -154 | -0.075 | 0.00202 |
| 2097 | 206,319 | 206,208 | -222 | -0.108 | 0.00202 |
| 2098 | 206,097 | 205,986 | -222 | -0.108 | 0.00202 |
| 2099 | 205,875 | 205,751 | -248 | -0.121 | 0.00202 |
| 2100 | 205,627 | 205,502 | -250 | -0.122 | 0.00202 |
| Year | Population | Growth | Share (%) | ||
|---|---|---|---|---|---|
| 1 Jan | 1 July | Net Change | rate (%) | to World | |
| 1950 | 60,531 | 60,776 | 491 | 0.808 | 0.00244 |
| 1951 | 61,022 | 61,299 | 554 | 0.904 | 0.00242 |
| 1952 | 61,576 | 61,882 | 612 | 0.989 | 0.00239 |
| 1953 | 62,188 | 62,539 | 703 | 1.124 | 0.00237 |
| 1954 | 62,891 | 63,272 | 761 | 1.203 | 0.00236 |
| 1955 | 63,652 | 64,078 | 852 | 1.330 | 0.00234 |
| 1956 | 64,504 | 64,970 | 932 | 1.435 | 0.00232 |
| 1957 | 65,436 | 65,943 | 1,014 | 1.538 | 0.00231 |
| 1958 | 66,450 | 66,990 | 1,079 | 1.611 | 0.00230 |
| 1959 | 67,529 | 68,102 | 1,145 | 1.681 | 0.00230 |
| 1960 | 68,674 | 69,525 | 1,703 | 2.450 | 0.00231 |
| 1961 | 70,377 | 71,311 | 1,867 | 2.618 | 0.00233 |
| 1962 | 72,244 | 73,192 | 1,897 | 2.592 | 0.00234 |
| 1963 | 74,141 | 75,095 | 1,908 | 2.541 | 0.00235 |
| 1964 | 76,049 | 77,008 | 1,919 | 2.492 | 0.00236 |
| 1965 | 77,968 | 78,932 | 1,928 | 2.443 | 0.00237 |
| 1966 | 79,896 | 80,844 | 1,895 | 2.344 | 0.00237 |
| 1967 | 81,791 | 82,719 | 1,857 | 2.245 | 0.00238 |
| 1968 | 83,648 | 84,563 | 1,830 | 2.164 | 0.00239 |
| 1969 | 85,478 | 86,404 | 1,853 | 2.145 | 0.00239 |
| 1970 | 87,331 | 88,365 | 2,068 | 2.340 | 0.00239 |
| 1971 | 89,399 | 90,466 | 2,135 | 2.360 | 0.00240 |
| 1972 | 91,534 | 92,619 | 2,170 | 2.343 | 0.00241 |
| 1973 | 93,704 | 94,781 | 2,155 | 2.274 | 0.00242 |
| 1974 | 95,859 | 96,939 | 2,161 | 2.229 | 0.00243 |
| 1975 | 98,020 | 99,057 | 2,074 | 2.094 | 0.00243 |
| 1976 | 100,094 | 101,166 | 2,144 | 2.119 | 0.00244 |
| 1977 | 102,238 | 103,298 | 2,120 | 2.052 | 0.00245 |
| 1978 | 104,358 | 105,424 | 2,131 | 2.021 | 0.00246 |
| 1979 | 106,489 | 107,636 | 2,295 | 2.132 | 0.00246 |
| 1980 | 108,784 | 110,141 | 2,713 | 2.463 | 0.00248 |
| 1981 | 111,497 | 112,902 | 2,810 | 2.489 | 0.00249 |
| 1982 | 114,307 | 115,711 | 2,808 | 2.427 | 0.00251 |
| 1983 | 117,115 | 118,508 | 2,787 | 2.352 | 0.00252 |
| 1984 | 119,902 | 121,302 | 2,801 | 2.309 | 0.00254 |
| 1985 | 122,703 | 124,117 | 2,827 | 2.278 | 0.00255 |
| 1986 | 125,530 | 126,965 | 2,869 | 2.260 | 0.00256 |
| 1987 | 128,399 | 129,858 | 2,919 | 2.248 | 0.00257 |
| 1988 | 131,318 | 132,799 | 2,963 | 2.231 | 0.00258 |
| 1989 | 134,281 | 135,799 | 3,037 | 2.236 | 0.00259 |
| 1990 | 137,318 | 138,610 | 2,584 | 1.864 | 0.00260 |
| 1991 | 139,902 | 141,073 | 2,343 | 1.661 | 0.00260 |
| 1992 | 142,245 | 143,393 | 2,295 | 1.601 | 0.00260 |
| 1993 | 144,540 | 145,654 | 2,227 | 1.529 | 0.00260 |
| 1994 | 146,767 | 147,868 | 2,201 | 1.489 | 0.00261 |
| 1995 | 148,968 | 150,054 | 2,173 | 1.448 | 0.00261 |
| 1996 | 151,141 | 152,169 | 2,057 | 1.352 | 0.00260 |
| 1997 | 153,198 | 154,215 | 2,034 | 1.319 | 0.00260 |
| 1998 | 155,232 | 156,237 | 2,010 | 1.287 | 0.00260 |
| 1999 | 157,242 | 158,289 | 2,094 | 1.323 | 0.00260 |
| 2000 | 159,336 | 160,065 | 1,458 | 0.911 | 0.00259 |
| 2001 | 160,794 | 161,329 | 1,071 | 0.664 | 0.00258 |
| 2002 | 161,865 | 162,315 | 900 | 0.554 | 0.00256 |
| 2003 | 162,765 | 163,137 | 743 | 0.455 | 0.00254 |
| 2004 | 163,508 | 163,810 | 603 | 0.368 | 0.00252 |
| 2005 | 164,111 | 164,365 | 509 | 0.310 | 0.00250 |
| 2006 | 164,620 | 164,839 | 438 | 0.266 | 0.00247 |
| 2007 | 165,058 | 165,267 | 418 | 0.253 | 0.00245 |
| 2008 | 165,476 | 165,693 | 434 | 0.262 | 0.00242 |
| 2009 | 165,910 | 166,173 | 526 | 0.317 | 0.00240 |
| 2010 | 166,436 | 166,522 | 171 | 0.103 | 0.00237 |
| 2011 | 166,607 | 166,543 | -128 | -0.077 | 0.00234 |
| 2012 | 166,479 | 166,331 | -297 | -0.179 | 0.00231 |
| 2013 | 166,182 | 165,966 | -431 | -0.260 | 0.00228 |
| 2014 | 165,751 | 165,486 | -530 | -0.320 | 0.00224 |
| 2015 | 165,221 | 164,905 | -633 | -0.384 | 0.00221 |
| 2016 | 164,588 | 164,233 | -709 | -0.432 | 0.00217 |
| 2017 | 163,879 | 163,490 | -778 | -0.476 | 0.00214 |
| 2018 | 163,101 | 162,679 | -843 | -0.518 | 0.00210 |
| 2019 | 162,258 | 161,808 | -900 | -0.556 | 0.00207 |
| 2020 | 161,358 | 162,158 | 1,600 | 0.987 | 0.00206 |
| 2021 | 162,958 | 163,730 | 1,544 | 0.943 | 0.00206 |
| 2022 | 164,502 | 165,180 | 1,356 | 0.821 | 0.00206 |
| 2023 | 165,858 | 166,506 | 1,297 | 0.779 | 0.00206 |