Demographics of the Northern Mariana Islands
Population
| Age group | Male | Female | Total | % |
| Total | 22 153 | 23 897 | 46 050 | 100 |
| 0–4 | 2 495 | 2 357 | 4 852 | 10.54 |
| 5–9 | 1 883 | 1 739 | 3 622 | 7.87 |
| 10–14 | 1 971 | 1 529 | 3 500 | 7.60 |
| 15–19 | 2 121 | 1 681 | 3 802 | 8.26 |
| 20–24 | 1 607 | 1 791 | 3 398 | 7.38 |
| 25–29 | 1 050 | 2 781 | 3 831 | 8.32 |
| 30–34 | 1 008 | 2 688 | 3 696 | 8.03 |
| 35–39 | 1 550 | 1 661 | 3 211 | 6.97 |
| 40–44 | 1 858 | 1 726 | 3 584 | 7.78 |
| 45–49 | 1 967 | 1 771 | 3 738 | 8.12 |
| 50–54 | 1 824 | 1 617 | 3 441 | 7.47 |
| 55–59 | 1 260 | 1 010 | 2 270 | 4.93 |
| 60–64 | 769 | 671 | 1 440 | 3.13 |
| 65-69 | 366 | 428 | 794 | 1.72 |
| 70-74 | 248 | 168 | 416 | 0.90 |
| 75-79 | 101 | 138 | 239 | 0.52 |
| 80-84 | 54 | 93 | 147 | 0.32 |
| 85-89 | 17 | 36 | 53 | 0.12 |
| 90-94 | 3 | 11 | 14 | 0.03 |
| 95-99 | 1 | 0 | 1 | <0.01 |
| 100+ | 0 | 1 | 1 | <0.01 |
| Age group | Male | Female | Total | Percent |
| 0–14 | 6 349 | 5 625 | 11 974 | 26.00 |
| 15–64 | 15 014 | 17 397 | 32 411 | 70.38 |
| 65+ | 790 | 875 | 1 665 | 3.62 |
Demographic features of the population of the Northern Mariana Islands include population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects.
Births and deaths
Population from census data, other data from CDC Births/Deaths reports.
| Year | Population | Live births | Deaths | Natural increase | Crude birth rate | Crude death rate | Natural Change | Total Fertility Rate |
| 1998 | | 1,462 | 162 | 1,300 | 21.9 | 2.4 | 19.5 | 1.79 |
| 1999 | | 1,381 | 162 | 1,219 | 20.0 | 2.3 | 17.7 | 1.68 |
| 2000 | 69,221 | 1,431 | 136 | 1,295 | 19.9 | 1.9 | 18.0 | 1.68 |
| 2001 | | 1,449 | 148 | 1,301 | 19.4 | 2.1 | 17.3 | 1.65 |
| 2002 | | 1,290 | 161 | 1,129 | 17.4 | 2.2 | 15.2 | 1.27 |
| 2003 | | 1,349 | 142 | 1,207 | 17.7 | 1.9 | 15.8 | 1.29 |
| 2004 | | 1,355 | 164 | 1,191 | 17.3 | 2.1 | 15.2 | 1.23 |
| 2005 | | 1,335 | 186 | 1,149 | 16.6 | 2.3 | 14.3 | 1.16 |
| 2006 | | 1,422 | 170 | 1,252 | 17.2 | 2.1 | 15.1 | 1.21 |
| 2007 | | 1,387 | 137 | 1,250 | 16.4 | 1.6 | 14.8 | 1.13 |
| 2008 | | 1,265 | 178 | 1,087 | 22.9 | 3.2 | 19.7 | 2.30 |
| 2009 | | 1,109 | 203 | 906 | 21.5 | 3.9 | 17.6 | 2.27 |
| 2010 | 53,883 | 1,072 | 174 | 898 | 20.0 | 3.3 | 16.7 | 2.19 |
| 2011 | | 1,033 | 165 | 868 | 19.8 | 3.2 | 16.6 | 2.17 |
| 2012 | | 853 | 163 | 690 | 16.6 | 3.2 | 13.4 | 1.83 |
| 2013 | | 686 | 185 | 501 | 13.4 | 3.6 | 9.8 | 1.58 |
| 2014 | | 517 | 202 | 315 | 10.0 | 3.9 | 6.1 | 1.58 |
| 2015 | | 416 | 223 | 193 | 8.2 | 4.3 | 3.9 | 1.08 |
| 2016 | | 427 | 220 | 207 | 7.9 | 4.2 | 3.7 | 1.50 |
| 2017 | | 363 | 232 | 131 | 6.9 | 4.4 | 2.5 | 1.33 |
| 2018 | | 566 | 221 | 345 | 10.9 | 4.3 | 6.6 | 2.10 |
| 2019 | | 686 | 209 | 477 | 13.3 | 4.0 | 9.3 | 2.64 |
| 2020 | 47,329 | 628 | 219 | 409 | 12.1 | 4.2 | 7.9 | 2.41 |
| 2021 | | 570 | | | 11.0 | | | 2.20 |
| 2022 | | 467 | | | 9.1 | | | 1.73 |
| 2023 | | 579 | | | 11.3 | | | 2.13 |
Ethnic groups
Languages
Religion
According to the Pew Research Center, 2010: