World Factbook
Northern Mariana Islands
Commonwealth of the Northern Mariana Islands
Last updated: 2026-03-28 (today)
Languages
Philippine languages 32.8%, Chamorro (official) 24.1%, English (official) 17%, other Pacific island languages 10.1% (includes Carolinian (official), Chinese 6.8%, other Asian languages 7.3%, other 1.9% (2010 est.)
Religions
Christian (Roman Catholic majority, although traditional beliefs and taboos may still be found)
Sex ratio
at birth
1.17 male(s)/female
0-14 years
1.16 male(s)/female
15-64 years
1.11 male(s)/female
total population
1.12 male(s)/female (2024 est.)
65 years and over
1.12 male(s)/female
Birth rate
15.8 births/1,000 population (2025 est.)
Death rate
5.91 deaths/1,000 population (2025 est.)
Median age
male
31.8 years
total
32.6 years (2025 est.)
female
33.2 years
Population
male
27,044
total
51,118 (2024 est.)
female
24,074
Nationality
noun
NA (US citizens)
adjective
NA
Urbanization
urban population
92.1% of total population (2023)
rate of urbanization
0.36% annual rate of change (2020-25 est.)
Age structure
0-14 years
22.1% (male 6,066/female 5,231)
15-64 years
67.7% (male 18,206/female 16,377)
65 years and over
10.2% (2024 est.) (male 2,772/female 2,466)
Ethnic groups
Asian 50% (includes Filipino 35.3%, Chinese 6.8%, Korean 4.2%, and other Asian 3.7%), Native Hawaiian or other Pacific Islander 34.9% (includes Chamorro 23.9%, Carolinian 4.6%, and other Native Hawaiian or Pacific Islander 6.4%), other 2.5%, two or more ethnicities or races 12.7% (2010 est.)
Dependency ratios
total dependency ratio
47.8 (2024 est.)
youth dependency ratio
32.7 (2024 est.)
potential support ratio
6.6 (2024 est.)
elderly dependency ratio
15.1 (2024 est.)
Net migration rate
-13.21 migrant(s)/1,000 population (2025 est.)
Total fertility rate
2.53 children born/woman (2025 est.)
Drinking water source
improved: total
total: 100% of population (2022 est.)
unimproved: total
total: 0% of population (2022 est.)
Infant mortality rate
male
14.4 deaths/1,000 live births
total
11.6 deaths/1,000 live births (2025 est.)
female
9 deaths/1,000 live births
Population growth rate
-0.33% (2025 est.)
Gross reproduction rate
1.17 (2025 est.)
Population distribution
approximately 90% of the population lives on the island of Saipan
Life expectancy at birth
male
75 years
female
79.5 years
total population
77.1 years (2024 est.)
Sanitation facility access
improved: total
total: 99.4% of population (2022 est.)
unimproved: total
total: 0.6% of population (2022 est.)
Major urban areas - population
51,000 SAIPAN (capital) (2018)
Currently married women (ages 15-49)
38.2% (2020 est.)