Home

Geography of Guam

Location:Oceania, island in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines
Geographic coordinates:13 28 N, 144 47 E
Map references:Oceania
Area:total: 541.3 sq km
land: 541.3 sq km
water: 0 sq km
Area - comparative:three times the size of Washington, DC
Land boundaries:0 km
Coastline:125.5 km
Maritime claims:territorial sea: 12 nm
exclusive economic zone: 200 nm
Climate:tropical marine; generally warm and humid, moderated by northeast trade winds; dry season (January to June), rainy season (July to December); little seasonal temperature variation
Terrain:volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south
Elevation extremes:lowest point: Pacific Ocean 0 m
highest point: Mount Lamlam 406 m
Natural resources:fishing (largely undeveloped), tourism (especially from Japan)
Land use:arable land: 3.64%
permanent crops: 18.18%
other: 78.18% (2005)
Irrigated land:NA
Natural hazards:frequent squalls during rainy season; relatively rare, but potentially very destructive typhoons (June - December)
Environment - current issues:extirpation of native bird population by the rapid proliferation of the brown tree snake, an exotic, invasive species
Geography - note:largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean

Guam Quickstats

  • Population: 173,456 (July 2007 est.)
  • Area: 541.3 sq km
  • Density: 307 /km² (37th)
  • GDP (total): $3.2 billion (167th)
  • GDP (per capita): $21,0001 (35th)
  • Literacy: 99%

Languages of Guam

  • English 38.3%
  • Chamorro 22.2%
  • Philippine 22.2%
  • Pacific island 6.8%
  • Other 10.5%

Useful to know

  • Currency: United States dollar (USD)
  • Dial code: +1 671

International Trade

External sites

More Resources

Guam Internet

  • Usage: 79,000
  • Penetration: 47.7 %
  • Top Domain: .gq

WT eBusiness info:

  • Success Ranking: 100
  • Market testing: Untested
  • Overall risk: High
  • Overall reward: Low

e-maturity:

  • Tourism: 10%
  • eCommerce: 10%
  • Gaming: 10%
  • eLearning: 10%

Recent blog posts