United States of America Government Constitutional republic; UN Member State (1945) Capital Washington D.C. Population 324 000 000 Land area 9 800 000 km² Max height above sea level 6 191 m EEZ 11 700 000 km² Currency US dollar (USD) Languages English GDP per capita 55 800 USD Useful links U.S. Department of State U.S. Embassy in Fiji, Kiribati, Nauru, Tonga and Tuvalu USAID
