Two-Party System
A two-party system is one in which two major political parties dominate electoral competition and government. Electoral rules, political history, fundraising, and voter behavior can all contribute to this pattern.
A two-party system is one in which two major political parties dominate electoral competition and government. Electoral rules, political history, fundraising, and voter behavior can all contribute to this pattern.
Example: The Democratic and Republican parties have held most seats in Congress and won most U.S. presidential elections in the modern era.
Common misconception: The Constitution requires the United States to have only two political parties. It does not; third parties may organize, nominate candidates, and compete under applicable election laws.
Sources: https://www.fec.gov/introduction-campaign-finance/election-and-voting-information/; https://www.usa.gov/register-to-vote