Political Dictionary
A primary election helps a political party choose its nominee for the general election.
Definition
A primary election is a nominating contest in which voters choose which candidate will represent a political party in a later general election. Primary rules vary widely. Some are open to any registered voter, others are limited to party members, and some use top-two or top-four systems in which all candidates appear on one ballot.
Why It Matters
Primaries shape the choices voters see in the general election and can influence a party’s ideological direction, coalition, and campaign strategy. In districts dominated by one party, the primary may be the most competitive and consequential stage.
How It Works
Candidates file for office, meet ballot-access requirements, and campaign for support. Eligible voters receive a primary ballot under their state’s rules. The winner may advance directly, qualify for a runoff, or proceed under a top-two or ranked-choice system.
History
Party nominations were once controlled mainly by caucuses and conventions. Reform movements in the late nineteenth and early twentieth centuries promoted direct primaries to give voters a larger role in selecting nominees.
Example
Several candidates from one party may compete in a congressional primary, with the winner becoming that party’s nominee in November.
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