The United States (US) is a federal republic composed of 50 states, five major territories and several minor islands. It is the world’s third-largest country by total area and the largest by population. The US has a long history of engagement with anthropology, dating back to the late 19th century when anthropologists. Today, the US is home to several prominent anthropology programs and organizations, such as the American Anthropological Association and the National Association for the Practice of Anthropology. It is also an important source of research funding for anthropologists both within its boundaries and across the world. Moreover, many US universities offer four-field anthropology programs and, increasingly, applied anthropology programs.