Population of Northern Mariana Islands

Population - July 2026 42,914 #215 worldwide Bandera of Northern Mariana Islands
Annual Growth -560 #189 worldwide
Median Age 38.8 years #78 worldwide
Life Expectancy 79.2 years #68 worldwide
Density 93.9 p/km² #125 worldwide

As of July 2026, the population of Northern Mariana Islands is 42.9 thousand. The number of inhabitants has decreased by 560 in the last year, representing a decline of 1.44%. The median age of the population has increased in recent years, rising from 32.9 years in 2016 to 38.8 years in 2026. Currently, life expectancy at birth is 79.2 years and population density is 93.9 inhabitants per square kilometer.

Population Growth

The population growth rate of Northern Mariana Islands peaked in 1981, reaching around 12.59% annually, but has since declined to approximately -1.3% in 2026. The annual increase in the number of people has also decreased from a peak of around 4.96 thousand in 1996 to nearly -560 in 2026.

Life Expectancy

In Northern Mariana Islands, life expectancy at birth has been increasing, with the indicator rising from 77.7 years in 2006 to 79.2 years in 2026, representing an increase of almost 2 years over the past 2 decades.

Most populous cities in Northern Mariana Islands

The cities of Northern Mariana Islands are small, with the 5 most populated adding up to around 68.8 thousand inhabitants. The most populous city is Saipan, con una diferencia significativa sobre las demás, alcanzando approximately 48.2 thousand inhabitants. It is followed by San Jose Village, Tinian with 15 thousand and Garapan, Saipan with 3.1 thousand.

These are the 10 most populous cities in Northern Mariana Islands:

# City Population
1 Saipan 48,220
2 San Jose Village, Tinian 15,000
3 Garapan, Saipan 3,096
4 Chalan Piao village, Saipan 1,338
5 Fananganan village, Saipan 1,129
# City Population
6 Chalan Laulau Village, Saipan 1,087
7 China Town Village, Saipan 1,000
8 Capitol Hill Village, Saipan 979
9 I Liyang, Saipan 898
10 Songsong, Rota 593