#204 in world Oceania

Northern Mariana Islands

Saipan Oceania Micronesia

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

Start 8.7K Latest 42.6K

Population & Social Snapshot

Age structure, urbanization, and benchmark indicators for Northern Mariana Islands

Age Distribution

0-14 years 9.4K
15-64 years 29.1K
65+ years 4.2K

Urbanization

92.1% Urban
39.2K
Urban 39.2K
Rural 3.4K

Health & Education Benchmarks

Life Expectancy at Birth +7%
78.9 years
World avg: 74.0 years
Fertility Rate -1%
2.32 births per woman
World avg: 2.35 births per woman
Internet Users -100%
0.0 % of population
World avg: 0.0 % of population

Demographics

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

Explore weather and climate data for cities in Northern Mariana Islands

Monthly averages for Saipan

January best
Excellent
Temp
26°C / 24°C
Feels Like
26°C / 24°C
Rain
13days (75 mm) Wet
Sun
10.5h Excellent
Humidity
78% Humid
February best
Excellent
Temp
25°C / 24°C
Feels Like
26°C / 23°C
Rain
13days (43 mm) Wet
Sun
10.8h Excellent
Humidity
77% Humid
March best
Excellent
Temp
25°C / 24°C
Feels Like
27°C / 25°C
Rain
13days (42 mm) Wet
Sun
11.3h Excellent
Humidity
80% Humid
April best
Excellent
Temp
26°C / 25°C
Feels Like
29°C / 26°C
Rain
11days (44 mm) Wet
Sun
11.7h Excellent
Humidity
80% Humid
May best
Excellent
Temp
26°C / 25°C
Feels Like
30°C / 27°C
Rain
14days (60 mm) Wet
Sun
12.1h Excellent
Humidity
81% Humid
June
Wet
Temp
27°C / 25°C
Feels Like
30°C / 27°C
Rain
19days (106 mm) Wet
Sun
12.1h Excellent
Humidity
82% Humid
July
Wet
Temp
27°C / 25°C
Feels Like
30°C / 27°C
Rain
28days (289 mm) Wet
Sun
10.4h Excellent
Humidity
83% Humid
August
Wet
Temp
27°C / 25°C
Feels Like
31°C / 27°C
Rain
28days (315 mm) Wet
Sun
10h Excellent
Humidity
83% Humid
September
Wet
Temp
27°C / 25°C
Feels Like
31°C / 27°C
Rain
27days (313 mm) Wet
Sun
9.4h Good
Humidity
83% Humid
October
Wet
Temp
27°C / 25°C
Feels Like
30°C / 27°C
Rain
29days (386 mm) Wet
Sun
9.2h Good
Humidity
83% Humid
November
Wet
Temp
27°C / 25°C
Feels Like
29°C / 27°C
Rain
20days (113 mm) Wet
Sun
10.7h Excellent
Humidity
82% Humid
December
Wet
Temp
26°C / 25°C
Feels Like
28°C / 26°C
Rain
18days (76 mm) Wet
Sun
10.5h Excellent
Humidity
80% Humid
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

36°C 30°C 24°C 18°C JanFebMarAprMayJunJulAugSepOctNovDec
HighLow

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

0 mm 66 mm 132 mm 198 mm 264 mm 330 mm JanFebMarAprMayJunJulAugSepOctNovDec
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).

All Indicators

Explore Northern Mariana Islands's data across 50+ indicators

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