A plurality voting system is a voting system in which each voter is allowed to vote for only one candidate, and the candidate who polls more votes (plurality) than any other candidate is elected. In a system based on single-member districts, it may be called first-past-the-post, single-choice voting, simple plurality or relative/simple majority. In a system based on multi-member districts, it may be referred to as winner-takes-all or bloc voting. The system is often used to elect members of a legislative assembly or executive officers. The most common form of the system, used in Canada, the lower house (Lok Sabha) in India, the United Kingdom, and most elections in the United States.