| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
The current population of Northern Mariana Islands is 58,715 as of September 27, 2023, based on interpolation of the latest United Nations data. The population of Northern Mariana Islands is projected at 57,917 or 57.92 thousands as of July 1, 2021. The total population in Northern Mariana Islands is projected at 57,559 or 57.56 thousands people for the year 2020. Northern Mariana Islands ranks number 208th in the world by population in the list of 235 countries/territories. Northern Mariana Islands is ranked 15th among 23 countries in Oceania.
Northern Mariana Islands's population peak will be 2041 with 62.9 thousands people after Northern Mariana Islands's population will be decreased year by year. The Northern Mariana Islands population is projected to reach 61.1 thousands in 2030 and increase further to 62.0 thousands in 2050 and 53.4 thousands by 2100. Northern Mariana Islands accounts for 0.00074 percent of the world population. However, its global share declined by 0.00082% in 2007 and is projected to decline at 0.00049% by 2100.
Northern Mariana Islands was at 219th position globally in 1950, and its rank is projected to decline at 210th in 2100.
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 2020 | 57,559 | 343 | 0.60 | 0.00074 |
| 2021 | 57,917 | 358 | 0.62 | 0.00074 |
| 2022 | 58,269 | 352 | 0.61 | 0.00073 |
| 2023 | 58,629 | 360 | 0.62 | 0.00073 |
| 2024 | 58,981 | 352 | 0.60 | 0.00073 |
| 2025 | 59,339 | 358 | 0.61 | 0.00073 |
| 2026 | 59,706 | 367 | 0.62 | 0.00072 |
| 2027 | 60,056 | 350 | 0.59 | 0.00072 |
| 2028 | 60,400 | 344 | 0.57 | 0.00072 |
| 2029 | 60,735 | 335 | 0.55 | 0.00072 |
| 2030 | 61,060 | 325 | 0.54 | 0.00071 |
| 2031 | 61,363 | 303 | 0.50 | 0.00071 |
| 2032 | 61,646 | 283 | 0.46 | 0.00071 |
| 2033 | 61,915 | 269 | 0.44 | 0.00071 |
| 2034 | 62,151 | 236 | 0.38 | 0.00070 |
| 2035 | 62,355 | 204 | 0.33 | 0.00070 |
| 2036 | 62,527 | 172 | 0.28 | 0.00070 |
| 2037 | 62,674 | 147 | 0.24 | 0.00070 |
| 2038 | 62,780 | 106 | 0.17 | 0.00069 |
| 2039 | 62,854 | 74 | 0.12 | 0.00069 |
| 2040 | 62,898 | 44 | 0.07 | 0.00068 |
| 2041 | 62,902 | 4 | 0.01 | 0.00068 |
| 2042 | 62,880 | -22 | -0.03 | 0.00068 |
| 2043 | 62,826 | -54 | -0.09 | 0.00067 |
| 2044 | 62,752 | -74 | -0.12 | 0.00067 |
| 2045 | 62,662 | -90 | -0.14 | 0.00066 |
| 2046 | 62,559 | -103 | -0.16 | 0.00066 |
| 2047 | 62,442 | -117 | -0.19 | 0.00065 |
| 2048 | 62,309 | -133 | -0.21 | 0.00065 |
| 2049 | 62,177 | -132 | -0.21 | 0.00064 |
| 2050 | 62,032 | -145 | -0.23 | 0.00064 |
| 2051 | 61,890 | -142 | -0.23 | 0.00063 |
| 2052 | 61,735 | -155 | -0.25 | 0.00063 |
| 2053 | 61,591 | -144 | -0.23 | 0.00062 |
| 2054 | 61,438 | -153 | -0.25 | 0.00062 |
| 2055 | 61,294 | -144 | -0.23 | 0.00062 |
| 2056 | 61,142 | -152 | -0.25 | 0.00061 |
| 2057 | 61,001 | -141 | -0.23 | 0.00061 |
| 2058 | 60,863 | -138 | -0.23 | 0.00060 |
| 2059 | 60,725 | -138 | -0.23 | 0.00060 |
| 2060 | 60,592 | -133 | -0.22 | 0.00060 |
| 2061 | 60,462 | -130 | -0.21 | 0.00059 |
| 2062 | 60,340 | -122 | -0.20 | 0.00059 |
| 2063 | 60,210 | -130 | -0.22 | 0.00059 |
| 2064 | 60,090 | -120 | -0.20 | 0.00058 |
| 2065 | 59,973 | -117 | -0.19 | 0.00058 |
| 2066 | 59,856 | -117 | -0.20 | 0.00058 |
| 2067 | 59,744 | -112 | -0.19 | 0.00058 |
| 2068 | 59,630 | -114 | -0.19 | 0.00057 |
| 2069 | 59,517 | -113 | -0.19 | 0.00057 |
| 2070 | 59,405 | -112 | -0.19 | 0.00057 |
| 2071 | 59,305 | -100 | -0.17 | 0.00057 |
| 2072 | 59,199 | -106 | -0.18 | 0.00056 |
| 2073 | 59,090 | -109 | -0.18 | 0.00056 |
| 2074 | 58,982 | -108 | -0.18 | 0.00056 |
| 2075 | 58,871 | -111 | -0.19 | 0.00056 |
| 2076 | 58,761 | -110 | -0.19 | 0.00055 |
| 2077 | 58,645 | -116 | -0.20 | 0.00055 |
| 2078 | 58,526 | -119 | -0.20 | 0.00055 |
| 2079 | 58,399 | -127 | -0.22 | 0.00055 |
| 2080 | 58,261 | -138 | -0.24 | 0.00055 |
| 2081 | 58,114 | -147 | -0.25 | 0.00054 |
| 2082 | 57,965 | -149 | -0.26 | 0.00054 |
| 2083 | 57,790 | -175 | -0.30 | 0.00054 |
| 2084 | 57,612 | -178 | -0.31 | 0.00054 |
| 2085 | 57,418 | -194 | -0.34 | 0.00053 |
| 2086 | 57,214 | -204 | -0.36 | 0.00053 |
| 2087 | 56,998 | -216 | -0.38 | 0.00053 |
| 2088 | 56,767 | -231 | -0.41 | 0.00053 |
| 2089 | 56,530 | -237 | -0.42 | 0.00052 |
| 2090 | 56,277 | -253 | -0.45 | 0.00052 |
| 2091 | 56,018 | -259 | -0.46 | 0.00052 |
| 2092 | 55,746 | -272 | -0.49 | 0.00051 |
| 2093 | 55,470 | -276 | -0.50 | 0.00051 |
| 2094 | 55,187 | -283 | -0.51 | 0.00051 |
| 2095 | 54,889 | -298 | -0.54 | 0.00051 |
| 2096 | 54,590 | -299 | -0.54 | 0.00050 |
| 2097 | 54,292 | -298 | -0.55 | 0.00050 |
| 2098 | 53,991 | -301 | -0.55 | 0.00050 |
| 2099 | 53,684 | -307 | -0.57 | 0.00049 |
| 2100 | 53,390 | -294 | -0.55 | 0.00049 |
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 1950 | 6,999 | - | - | 0.00028 |
| 1951 | 7,080 | 81 | 1.16 | 0.00027 |
| 1952 | 7,202 | 122 | 1.72 | 0.00027 |
| 1953 | 7,395 | 193 | 2.68 | 0.00028 |
| 1954 | 7,650 | 255 | 3.45 | 0.00028 |
| 1955 | 7,985 | 335 | 4.38 | 0.00029 |
| 1956 | 8,378 | 393 | 4.92 | 0.00030 |
| 1957 | 8,802 | 424 | 5.06 | 0.00031 |
| 1958 | 9,239 | 437 | 4.96 | 0.00032 |
| 1959 | 9,645 | 406 | 4.39 | 0.00032 |
| 1960 | 9,979 | 334 | 3.46 | 0.00033 |
| 1961 | 10,245 | 266 | 2.67 | 0.00033 |
| 1962 | 10,436 | 191 | 1.86 | 0.00033 |
| 1963 | 10,590 | 154 | 1.48 | 0.00033 |
| 1964 | 10,783 | 193 | 1.82 | 0.00033 |
| 1965 | 11,022 | 239 | 2.22 | 0.00033 |
| 1966 | 11,344 | 322 | 2.92 | 0.00033 |
| 1967 | 11,721 | 377 | 3.32 | 0.00034 |
| 1968 | 12,140 | 419 | 3.57 | 0.00034 |
| 1969 | 12,574 | 434 | 3.57 | 0.00035 |
| 1970 | 12,994 | 420 | 3.34 | 0.00035 |
| 1971 | 13,429 | 435 | 3.35 | 0.00036 |
| 1972 | 13,882 | 453 | 3.37 | 0.00036 |
| 1973 | 14,325 | 443 | 3.19 | 0.00036 |
| 1974 | 14,677 | 352 | 2.46 | 0.00037 |
| 1975 | 14,924 | 247 | 1.68 | 0.00037 |
| 1976 | 15,026 | 102 | 0.68 | 0.00036 |
| 1977 | 15,048 | 22 | 0.15 | 0.00036 |
| 1978 | 15,170 | 122 | 0.81 | 0.00035 |
| 1979 | 15,638 | 468 | 3.09 | 0.00036 |
| 1980 | 16,633 | 995 | 6.36 | 0.00037 |
| 1981 | 18,158 | 1,525 | 9.17 | 0.00040 |
| 1982 | 20,167 | 2,009 | 11.06 | 0.00044 |
| 1983 | 22,622 | 2,455 | 12.17 | 0.00048 |
| 1984 | 25,500 | 2,878 | 12.72 | 0.00053 |
| 1985 | 28,720 | 3,220 | 12.63 | 0.00059 |
| 1986 | 32,370 | 3,650 | 12.71 | 0.00065 |
| 1987 | 36,377 | 4,007 | 12.38 | 0.00072 |
| 1988 | 40,288 | 3,911 | 10.75 | 0.00078 |
| 1989 | 43,540 | 3,252 | 8.07 | 0.00083 |
| 1990 | 45,752 | 2,212 | 5.08 | 0.00086 |
| 1991 | 46,666 | 914 | 2.00 | 0.00086 |
| 1992 | 46,476 | -190 | -0.41 | 0.00085 |
| 1993 | 45,758 | -718 | -1.54 | 0.00082 |
| 1994 | 45,364 | -394 | -0.86 | 0.00080 |
| 1995 | 45,870 | 506 | 1.12 | 0.00080 |
| 1996 | 47,521 | 1,651 | 3.60 | 0.00082 |
| 1997 | 50,056 | 2,535 | 5.33 | 0.00085 |
| 1998 | 52,997 | 2,941 | 5.88 | 0.00089 |
| 1999 | 55,636 | 2,639 | 4.98 | 0.00092 |
| 2000 | 57,453 | 1,817 | 3.27 | 0.00094 |
| 2001 | 58,321 | 868 | 1.51 | 0.00094 |
| 2002 | 58,420 | 99 | 0.17 | 0.00093 |
| 2003 | 57,947 | -473 | -0.81 | 0.00091 |
| 2004 | 57,246 | -701 | -1.21 | 0.00089 |
| 2005 | 56,542 | -704 | -1.23 | 0.00086 |
| 2006 | 55,882 | -660 | -1.17 | 0.00084 |
| 2007 | 55,219 | -663 | -1.19 | 0.00082 |
| 2008 | 54,625 | -594 | -1.08 | 0.00080 |
| 2009 | 54,193 | -432 | -0.79 | 0.00079 |
| 2010 | 53,971 | -222 | -0.41 | 0.00078 |
| 2011 | 54,012 | 41 | 0.08 | 0.00077 |
| 2012 | 54,311 | 299 | 0.55 | 0.00076 |
| 2013 | 54,784 | 473 | 0.87 | 0.00076 |
| 2014 | 55,305 | 521 | 0.95 | 0.00076 |
| 2015 | 55,780 | 475 | 0.86 | 0.00076 |
| 2016 | 56,188 | 408 | 0.73 | 0.00075 |
| 2017 | 56,562 | 374 | 0.67 | 0.00075 |
| 2018 | 56,882 | 320 | 0.57 | 0.00075 |
| 2019 | 57,216 | 334 | 0.59 | 0.00074 |