Guam

Guam
Nickname(s): 
"Tånó y Chamoru" (Chamorro) (English: "Land of the Chamorro")
Motto: 
"Tånó I' Man Chamoru" (Chamorro)
(English: "Land of the Chamorros")
Anthem: "Stand Ye Guamanians" (regional)

"The Star-Spangled Banner" (official)
Location of Guam (circled in red)
Sovereign stateUnited States
Before annexationSpanish East Indies
Cession from SpainDecember 10, 1898
CapitalHagåtña
Largest cityDededo
Official languages
Ethnic groups
(2010)
Religion
(2010)
Demonym(s)Guamanian
GovernmentDevolved presidential dependency within a federal republic
 President
Donald Trump (R)
 Governor
Lou Leon Guerrero (D)
Josh Tenorio (D)
LegislatureLegislature of Guam
United States Congress
James Moylan (R)
Area
 Total
210 sq mi (540 km2)
Highest elevation
1,334 ft (407 m)
Population
 2021 estimate
168,801 (177th)
 Density
299/km2 (774.4/sq mi)
GDP (PPP)2016 estimate
 Total
$5.8 billion
 Per capita
$35,600
GDP (nominal)2019 estimate
 Total
$6.3 billion
 Per capita
$37,387
HDI (2017) 0.901
very high
CurrencyUnited States dollar (US$) (USD)
Time zoneUTC+10:00 (ChST)
Date formatmm/dd/yyyy
Driving sideRight
Calling code+1
USPS abbreviation
GU
ISO 3166 code
Internet TLD.gu

Guam (/ˈɡwɑːm/ GWAHM; Chamorro: Guåhan [ˈɡʷɑhɑn]) is an island that is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, and the most populous village is Dededo. It is the westernmost point and territory of the United States, as measured from the geographic center of the U.S. In Oceania, Guam is the largest and southernmost of the Mariana Islands and the largest island in Micronesia. As of 2022, its population was 168,801. Chamorros are its largest ethnic group, but a minority on the multiethnic island. The territory spans 210 square miles (540 km2; 130,000 acres) and has a population density of 775 per square mile (299/km2).

Indigenous Guamanians are the Chamorro, who are related to the Austronesian peoples of the Malay Archipelago, the Philippines, Taiwan, and Polynesia. But unlike most of its neighbors, the Chamorro language is not classified as a Micronesian or Polynesian language. Rather, like Palauan, it possibly constitutes an independent branch of the Malayo-Polynesian language family. The Chamorro people settled Guam and the Mariana islands approximately 3,500 years ago. Portuguese explorer Ferdinand Magellan, while in the service of Spain, was the first European to visit and claim the island on March 6, 1521. Guam was fully colonized by Spain in 1668. Between the 17th and 19th centuries, Guam was an important stopover for Spanish Manila galleons. During the Spanish–American War, the United States captured Guam on June 21, 1898. Under the 1898 Treaty of Paris, Spain ceded Guam to the U.S. effective April 11, 1899.

Before World War II, Guam was one of five American jurisdictions in the Pacific Ocean, along with Wake Island in Micronesia, American Samoa and Hawaii in Polynesia, and the Philippines. On December 8, 1941, hours after the attack on Pearl Harbor, Guam was captured by the Japanese, who occupied the island for two and a half years before American forces recaptured it on July 21, 1944, which is commemorated there as Liberation Day. Since the 1960s, Guam's economy has been supported primarily by tourism and the U.S. military, for which Guam is a major strategic asset. Its future political status has been a matter of significant discussion, with public opinion polls indicating a strong preference for American statehood.

Guam's de facto motto is "Where America's Day Begins", which refers to the island's proximity to the International Date Line. Guam is among the 17 non-self-governing territories listed by the United Nations, and has been a member of the Pacific Community since 1983.

Guam is called Guåhan by Chamorro speakers, from the word guaha, meaning 'to have'; its English gloss 'we have' references the island's providing everything needed to live.