The United States is a highly developed/advanced mixed economy. It is the world's largest economy by nominal GDP; it is also the second largest by purchasing power parity (PPP), behind China. It has the world's sixth highest per capita GDP (nominal) and the eighth highest per capita GDP (PPP) as of 2024. The U.S. accounted for 26% of the global economy in 2023 in nominal terms, and about 15.5% in PPP terms. The U.S. dollar is the currency of record most used in international transactions and is the world's reserve currency, backed by a large U.S. treasuries market, its role as the reference standard for the petrodollar system, and its linked eurodollar. Several countries use it as their official currency and in others it is the de facto currency. Since the end of World War II, the economy has achieved relatively steady growth, low unemployment and inflation, and rapid advances in technology.

Unemployment in the United States discusses the causes and measures of U.S. unemployment and strategies for reducing it. Job creation and unemployment are affected by factors such as economic conditions, global competition, education, automation, and demographics. These factors can affect the number of workers, the duration of unemployment, and wage levels.