In the United States, the seats in the House of Representatives are apportioned in accordance with the population of each state, which is modified every 10 years when the U.S. Census is made. However, each state is guarantee at least one member.
Currently, the state that has more representatives is California, with 53 members, and the states that have only one representative are Alaska, Delaware, Montana, North Dakota, South Dakota, Vermont, and Wyoming.
