USA

The United States of America (USA) is a large federal republic in North America, composed of 50 states, a federal district (Washington, D.C.), and several territories. It is a highly developed country with the world's largest economy by GDP and a diverse, multicultural population. Political Structure The U.S. government is a federal system based on the U.S. Constitution, which divides powers between the federal government and the individual states. Each state has its own sovereign government, constitution, and laws, while also being subject to federal authority. The ISO 3166-2:US codes for these subdivisions consist of "US-" followed by their unique two-letter postal abbreviation. States and Territories with ISO Codes State or Territory ISO 3166-2:US Code States Alabama (US-AL), Alaska (US-AK), Arizona (US-AZ), Arkansas (US-AR) California (US-CA), Colorado (US-CO), Connecticut (US-CT) Delaware (US-DE) Florida (US-FL) Georgia (US-GA) Hawaii (US-HI) Idaho (US-ID), Illinois (US-IL), Indiana (US-IN), Iowa (US-IA) Kansas (US-KS), Kentucky (US-KY) Louisiana (US-LA) Maine (US-ME), Maryland (US-MD), Massachusetts (US-MA), Michigan (US-MI), Minnesota (US-MN), Mississippi (US-MS), Missouri (US-MO), Montana (US-MT) Nebraska (US-NE), Nevada (US-NV), New Hampshire (US-NH), New Jersey (US-NJ), New Mexico (US-NM), New York (US-NY), North Carolina (US-NC), North Dakota (US-ND) Ohio (US-OH), Oklahoma (US-OK), Oregon (US-OR) Pennsylvania (US-PA) Rhode Island (US-RI) South Carolina (US-SC), South Dakota (US-SD) Tennessee (US-TN), Texas (US-TX) Utah (US-UT) Vermont (US-VT) Virginia (US-VA) Washington (US-WA), West Virginia (US-WV), Wisconsin (US-WI), Wyoming (US-WY)