Area: 549 Km²
Population: 157.500 (2001 est.)
Density: 287 pop/Km²

System of government: Unincorporated territory of the US
Capital: Hagåtña (11.000 pop.)
Major cities: Tamuning 11.800 pop.
Ethnic majority: Chamorro 47%, Filipino 25%, White 10%, Chinese, Japanese, Korean and others 18%
Border countries: -

Principal mountains: Mount Lamlam 406 m
Principal rivers: -
Principal lakes: -
Principal islands: Guam
Climate: Tropical

Language: English, Chamorro (officials), Japanese
Religion: Catholic 85%, others 15%
Currency: US Dollar (USD)