Country Profile: Guam

Guam, an unincorporated territory of the United States located in the North Pacific Ocean, is both a strategic military hub and an island paradise. It is characterized by a tropical marine climate and volcanic terrain, coupled with a population of approximately 169,532 residents, primarily of Pacific Islander and Asian descent. The economy is heavily reliant on tourism and the military presence, providing income and stability to the region. While the island has a complex history of colonization and cultural influences, it retains a distinct Chamorro identity.

Geography

Guam is situated in Oceania, approximately three-quarters of the way from Hawaii to the Philippines, and holds the distinction of being the largest and southernmost island in the Mariana Islands archipelago. The island covers an area of 544 square kilometers, with a diverse topography that includes coastal cliffs, a flat limestone plateau, and low mountains. Its tropical marine climate fosters a humid environment, with a notable rainy season from July to December.

Area: 544 sq km
Coastline: 125.5 km
Highest Point: Mount Lamlam at 406 m
Natural Resources: Aquatic wildlife and undeveloped fishing potential

People and Society

The population of Guam is approximately 169,532, comprising predominantly native Chamorro and other Pacific Islander ethnic groups. The primary language spoken is English, with a significant proportion of residents also fluent in Filipino and Chamorro. The society is largely Christian, with Roman Catholicism being the dominant faith. Urbanization is high, with about 95.2% of the population living in urban areas, particularly in larger villages like Dededo.

Population Growth Rate: 0.08% (2025 est.)
Life Expectancy: 78 years (2024 est.)
Urban Population: 95.2% (2022)
Median Age: 30.5 years (2025 est.)

Economy

Guam's economy is small and primarily driven by tourism and military spending, which provides significant employment and income. The island faced challenges during the COVID-19 pandemic, but industry recovery has begun through initiatives like vaccination tourism. The GDP stands at approximately $6.91 billion, with a GDP growth rate of 5.1% in 2022, showcasing resilience despite economic shocks.

GDP (2022): $6.91 billion
Unemployment Rate: 5.6% (2024 est.)
Labor Force: 77,700 (2024 est.)
Major Industries: National defense, tourism, construction

Government

Guam operates as an unincorporated organized territory of the United States, with a republican form of local government. The capital is Hagatna, where residents participate in a local electoral process; however, they do not vote in U.S. presidential elections. The government is structured with executive, legislative, and judicial branches, promoting local self-governance under U.S. jurisdiction.

Governor: Lourdes Leon Guerrero (since 2019)
Legislature Seats: 15 in a unicameral body
Citizenship: Guamanians are U.S. citizens
Voting Age: 18 years for local elections

Military and Security

Guam plays a critical role in U.S. military strategy, hosting several thousand active-duty personnel and significant military installations. The local police force and the Guam National Guard contribute to the island's security. The military presence bolsters the local economy but also shapes the island’s political landscape and community dynamics.

U.S. Military Presence: Thousands of active-duty personnel
Local Security Force: Guam Police Department
Geostrategic Importance: Key U.S. military hub in the Pacific

Energy

Guam enjoys 100% electrification, with total electricity consumption amounting to 1.715 billion kWh in 2023. The primary source of power generation comes from fossil fuels, with a small percentage generated from renewable sources like solar energy.

Installed Generating Capacity: 525,000 kW (2023 est.)
Energy Consumption per Capita (2019): 150.555 million Btu/person
Energy Sources: 92.1% from fossil fuels

Environment

Environmental issues in Guam include freshwater scarcity, damage to coral reefs, and inadequate sewage treatment. The tropical climate and geographical features also contribute to natural hazards, particularly typhoons during the rainy season.

Environmental Issues: Freshwater scarcity, reef damage
Land Use: 29.6% agricultural land (2023 est.)
Urban Population: 95.2% of total population (2022)

Transportation

Guam is equipped with a network of transportation infrastructure, including three airports and a key port at Apra Harbor that supports maritime trade. The island serves as a transit point for both military and civilian air traffic.

Airports: 3 (2025)
Ports: 1 key port (Apra Harbor)
Merchant Marine: 3 vessels (2023)

Communications

Telecommunications in Guam are well-developed, with high mobile and internet penetration rates. Approximately 81% of the population uses the internet, and there are multiple television and radio stations providing diverse media options.

Internet Users: 81% of the population (2017 est.)
Fixed-line Telephones: 70,000 subscriptions (2021 est.)
Mobile Cellular Subscriptions: 98,000 (2009 est.)

Key Metrics

Metric	Value	Note
Population	169,532 (2024 est.)
Area	544 sq km
GDP	$6.91 billion (2022)
Unemployment Rate	5.6% (2024 est.)
Labor Force	77,700 (2024 est.)
Electricity Consumption	1.715 billion kWh (2023 est.)
Life Expectancy	78 years (2024 est.)
Urbanization Rate	95.2% (2022)
Median Age	30.5 years (2025 est.)
Birth Rate	17.9 births/1,000 population (2025 est.)