Electoral reform in the United States refers to efforts to change American elections and the electoral system used in the United States. Most elections in the U.S. select one person; elections with multiple candidates selected by proportional representation are relatively rare. Typical examples include the House of Representatives, whose members are elected by a plurality of votes in single-member districts. The number of representatives from each state is set in proportion to each state's population in the most recent decennial census. District boundaries are usually redrawn after each such census. This process often produces "gerrymandered" district boundaries designed to increase and secure the majority of the party in power, often by offering secure seats to members of the opposition p