Northern Mariana Islands
The Northern Mariana Islands is a US commonwealth located in the Micronesia subregion of Oceania, consisting of a chain of 14 islands that includes the capital of Saipan. Current estimates show a population of approximately 43,000 residents and a projected GDP per capita of $44,030. The territory is defined by its strategic Pacific location and its unique political union with the United States.
Where is Northern Mariana Islands?
Northern Mariana Islands
- Continent
- Oceania
- Country
- Northern Mariana Islands
- Coordinates
- 15.20°, 145.75°
Population Details
- Population
- 42.6K
- Area
- 464 km²
- Density per km²
- 92 / km²
- Growth rate
- -1.93%
- Annual growth
- -823.83 people
- Daily growth
- -2.26 people
- World population share
- 0.00%
Population Trend
Historical series from 1960 to 2026
Population & Social Snapshot
Age structure, urbanization, and benchmark indicators for Northern Mariana Islands
Age Distribution
Urbanization
Health & Education Benchmarks
Quick Facts
- Capital
- Saipan
- Region
- Oceania
- Area
- 464 km²
- Languages
- Carolinian, Chamorro, English
- Currency
- United States dollar ($)
- Timezones
- UTC+10:00
- UN Member
- No
Economy
The economy is heavily influenced by its relationship with the United States, relying on tourism and federal grants. Recent data shows a total GDP of approximately $1.10 billion, with the islands experiencing a significant annual growth rate of 16.6%. The territory currently holds a GDP per capita rank of 65 of 212 globally and 5 of 19 in the Oceania region. While the economy has historically seen fluctuations, it remains one of the more prosperous areas in Micronesia, ranking 2 of 7 subregionally for GDP per capita.
Society
Residents of the Northern Mariana Islands enjoy a relatively high life expectancy of approximately 78.9 years, which ranks 57 of 215 globally. The population is highly urbanized, with 92.1% of people residing in urban areas like Saipan, Tinian, and Rota. The demographic landscape is diverse, featuring a mix of Asian ethnicities and indigenous Pacific Islander groups, primarily Chamorro and Carolinian. While historical data from the 1990s listed the territory at an internet users rank of 209 of 212, modern digital infrastructure has since expanded to serve the majority of the population.
Climate & Environment
The islands experience a tropical maritime climate with little seasonal temperature variation, typically ranging from 24 °C (75 °F) to 30 °C (86 °F). The region is characterized by a distinct dry season and a wet season, though it remains vulnerable to seasonal typhoons that can bring heavy rainfall to the 464 km² (179 sq mi) land area.
Government & Politics
- Government Type
- Commonwealth in political union with the US; republican form of government with separate executive, legislative, and judicial branches
- Independence
- 1986-11-04 (United States (transition from Trust Territory of the Pacific Islands))
Geography
- Highest Point
- unnamed elevation on Agrihan (965 m)
- Lowest Point
- Pacific Ocean (0 m)
- Coastline
- 1,482 km
Major Cities
Largest Cities in Northern Mariana IslandsExplore weather and climate data for cities in Northern Mariana Islands
Climate & Weather
View full climate guideMonthly averages for Saipan
| Month | Temp | Feels Like | Rain | Sun | Humidity | Status | Details |
|---|---|---|---|---|---|---|---|
| January best | 26°C / 24°C | 26°C / 24°C | 13days (75 mm) Wet | 10.5h Excellent | 78% Humid | Excellent | View Details |
| February best | 25°C / 24°C | 26°C / 23°C | 13days (43 mm) Wet | 10.8h Excellent | 77% Humid | Excellent | View Details |
| March best | 25°C / 24°C | 27°C / 25°C | 13days (42 mm) Wet | 11.3h Excellent | 80% Humid | Excellent | View Details |
| April best | 26°C / 25°C | 29°C / 26°C | 11days (44 mm) Wet | 11.7h Excellent | 80% Humid | Excellent | View Details |
| May best | 26°C / 25°C | 30°C / 27°C | 14days (60 mm) Wet | 12.1h Excellent | 81% Humid | Excellent | View Details |
| June | 27°C / 25°C | 30°C / 27°C | 19days (106 mm) Wet | 12.1h Excellent | 82% Humid | Wet | View Details |
| July | 27°C / 25°C | 30°C / 27°C | 28days (289 mm) Wet | 10.4h Excellent | 83% Humid | Wet | View Details |
| August | 27°C / 25°C | 31°C / 27°C | 28days (315 mm) Wet | 10h Excellent | 83% Humid | Wet | View Details |
| September | 27°C / 25°C | 31°C / 27°C | 27days (313 mm) Wet | 9.4h Good | 83% Humid | Wet | View Details |
| October | 27°C / 25°C | 30°C / 27°C | 29days (386 mm) Wet | 9.2h Good | 83% Humid | Wet | View Details |
| November | 27°C / 25°C | 29°C / 27°C | 20days (113 mm) Wet | 10.7h Excellent | 82% Humid | Wet | View Details |
| December | 26°C / 25°C | 28°C / 26°C | 18days (76 mm) Wet | 10.5h Excellent | 80% Humid | Wet | View Details |
Temperature
Line chart showing monthly temperatures. Jan: 26°C / 24°C . Feb: 25°C / 24°C . Mar: 25°C / 24°C . Apr: 26°C / 25°C . May: 26°C / 25°C . Jun: 27°C / 25°C . Jul: 27°C / 25°C . Aug: 27°C / 25°C . Sep: 27°C / 25°C . Oct: 27°C / 25°C . Nov: 27°C / 25°C . Dec: 26°C / 25°C .
Rainfall
Bar chart showing monthly rainfall. Jan: 75 mm. Feb: 43 mm. Mar: 42 mm. Apr: 44 mm. May: 60 mm. Jun: 106 mm. Jul: 289 mm. Aug: 315 mm. Sep: 313 mm. Oct: 386 mm. Nov: 113 mm. Dec: 76 mm.
Frequently Asked Questions
The population of Northern Mariana Islands is approximately 42.6K (2024).
The capital of Northern Mariana Islands is Saipan.
Northern Mariana Islands's GDP per capita is $44K (2022).
Life expectancy in Northern Mariana Islands is 78.95 years (2024).
Northern Mariana Islands covers 464 km² (179 sq mi).
Northern Mariana Islands has a moderate population density of 92 people per km², close to the global average of 60.
Northern Mariana Islands's population is shrinking at 1.9% per year — one of the few countries seeing sustained decline.
Yes — based on GDP per capita, Northern Mariana Islands falls in the high GDP-per-person tier at $44K. Official World Bank income groups use Atlas-method GNI per capita, so this is a GDP-based comparison rather than an official income-group label.
Northern Mariana Islands has 3 official languages: Carolinian, Chamorro, English.
Northern Mariana Islands uses the United States dollar ($) as its sole official currency.
Northern Mariana Islands is an island nation and shares no land borders.
The best months to visit Northern Mariana Islands are January, February, March, April, May, based on climate data for the capital.
Current estimates project a population of approximately 43,000 residents across the archipelago. The Northern Mariana Islands currently ranks 204 of 215 globally and 15 of 19 in the Oceania region by population size. This small population is highly concentrated in urban centers, which account for over 92% of the total residency.
No, the Northern Mariana Islands is a Commonwealth in political union with the United States. It is not an independent country or a UN member, but it operates with a republican form of government and a separate executive, legislative, and judicial branch. Residents are US citizens, though the territory maintains its own distinct political identity.
Recent data indicates a projected GDP per capita of $44,030 for the territory. This economic performance places the Northern Mariana Islands at a GDP per capita rank of 65 of 212 globally and 5 of 19 within Oceania. The economy has recently demonstrated a robust annual growth rate of 16.6%.
The official languages of the Northern Mariana Islands are Carolinian, Chamorro, and English. English is the primary language used in government, business, and education, while Chamorro and Carolinian are vital to the indigenous culture. This linguistic variety reflects the islands' heritage and its significant Asian and Pacific Islander populations.
The life expectancy at birth is approximately 78.9 years, reflecting high standards of healthcare and living conditions relative to the region. This figure places the islands at a life expectancy rank of 57 of 215 globally. Demographic data also shows a fertility rate of 2.3 births per woman and a crude birth rate of 12.1 per 1,000 people.
The Northern Mariana Islands rely primarily on its arable land and fish as its main natural resources. The territory encompasses a total land area of 464 km² (179 sq mi) and a coastline stretching 1482 km (921 mi). These resources support local agriculture and a fishing industry that contributes to the island's economic and food security.
The highest point in the territory is an unnamed elevation on the island of Agrihan, reaching 965 m (3,166 ft) above sea level. This volcanic peak is the tallest in the archipelago and highlights the dramatic topography of the northern islands. In contrast, the lowest point is the Pacific Ocean at 0 m (0 ft).
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