Michigan is one of the fifty states in the United States.
Michigan [ ˈmɪʃᵻgən ] is a state in the Great Lakes and Midwestern regions of the United States . Michigan is the tenth most populous of the 50 United States , with the 11th most extensive total area ( the largest state by total area east of the Mississippi River ) . The United States of America ( USA ) , commonly known as the United States ( U.S. ) or America , is a constitutional federal republic composed of 50 states , a federal district , five major self-governing territories , and various possessions .