Guam is located in Micronesia, and its capital is Hagatna. It has a population of approximately 167,777 and covers an area of about 540 km². Its official currency is the United States dollar (USD).
What stands out
People & place
311 /km² across 540 km²
Guam has a recorded population of 167,777 and a reported surface area of 540 km².
Economic snapshot
$6.91 billion nominal GDP
Nominal GDP is recorded at $6.91 billion and GDP per capita at $41,833 for 2022. These measures do not describe income distribution or household wealth.
Practical reference
United States dollar (USD)
Guam uses United States dollar (USD), calling code +1, internet domain .gu.
About Guam
Guam, a tropical island in the western Pacific Ocean, is the largest and southernmost of the Mariana Islands and a vibrant U.S. territory known for its stunning beaches, rich Chamorro heritage, and strategic geopolitical role.
The island spans roughly 30 miles long and 4–6 miles wide, featuring limestone plateaus, volcanic hills, and the striking limestone cliffs of the Tumon Bay coastline; its interior is dotted with dense tropical rainforests, hidden waterfalls, and the iconic Mount Lamlam, the highest point in Guam, rising 1,332 feet above sea level.
Guam's culture blends ancient Chamorro traditions with Spanish, American, and Asian influences, evident in its lively festivals like the annual Liberation Day parade, the traditional latte stone architecture, and a cuisine that fuses fresh seafood, pork adobo, and the beloved kelaguen dish, all enjoyed to the rhythm of island drums and modern pop.
A pivotal moment in Guam's history occurred on July 21, 1944, when American forces liberated the island from Japanese occupation during World War II, an event commemorated each year as Liberation Day and marking the island's transition to becoming an important U.S. strategic outpost in the Pacific.
Key facts
Guam is the only U.S. territory where the majority of residents are of indigenous Chamorro descent.
The island's population is about 170,000 people, making it one of the most densely populated U.S. territories.
Guam operates on Chamorro Standard Time (UTC+10), the same time zone as Japan and the eastern part of Russia.
This overview is AI-assisted and grounded with available atlas facts and reference material. Treat linked primary data as authoritative. Read the methodology.
Population, area and economic figures use the latest available values from World Bank Open Data; reporting years can vary by country. See sources and methodology for indicator definitions, mapping attribution, and editorial limitations.
Guam has a recorded population of approximately 167,777 people.
How big is Guam?
Guam covers an area of about 540 km².
What is the population density of Guam?
Guam has a population density of roughly 311 /km² (people per square kilometre).
What is the GDP of Guam?
Guam has a gross domestic product (GDP) of approximately $6.91 billion as of 2022.
What is the GDP per capita of Guam?
Guam has a GDP per capita of approximately $41,833.
What currency is used in Guam?
Guam uses the United States dollar (USD), with the symbol $.
Where is Guam located?
Guam is located in Micronesia, Oceania.
What are people from Guam called?
People from Guam are referred to as Guamanian, Guambat.
What is the phone calling code for Guam?
The international dialing code for Guam is +1.
What is the internet domain for Guam?
The country code top-level domain (ccTLD) for Guam is .gu.
What time zone is Guam in?
Guam uses the Pacific/Guam time zone.
What is Guam known for?
Guam, a tropical island in the western Pacific Ocean, is the largest and southernmost of the Mariana Islands and a vibrant U.S. territory known for its stunning beaches, rich Chamorro heritage, and strategic geopolitical role.
Micronesia
