median income Its economy GDP largest largest second-largest largest United Nations World Bank International Monetary Fund Organization of American States NATO World Health Organization permanent member United Nations Security Council political cultural military scientific income wealth
The United States is a highly developed country that has the highest median income of any polity in the world. Its economy accounts for approximately a quarter of global GDP and is the world's largest by GDP at market exchange rates. It is the world's largest importer and second-largest exporter, and possesses the largest amount of wealth of any country. The United States is a founding member of the United Nations, World Bank, International Monetary Fund, Organization of American States, NATO, World Health Organization, and is a permanent member of the United Nations Security Council. It wields considerable global influence as the world's foremost political, cultural, economic, military, and scientific power.
