open primaries

Any-voter party contests

Open primaries are primary elections in which voters can participate regardless of their party affiliation or registration.

In contrast to closed primaries, where only registered party members may vote, open primaries allow independents—and sometimes members of opposing parties—to help select a party's candidates.

Critics argue this lets outsiders influence nominations; supporters say it produces more moderate candidates and increases voter participation.

Opposites
voter eligibility restrictions

open primariesclosed primaries

Elections excluding independents

closed primary · party primaries

party control over nomination process

open primariescaucuses

Closed political party meetings

party conventions · smoke-filled rooms · backroom deals · superdelegates · closed primaries

Family

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Familiarity
Top 500,000
Profile
Mostly American · Timeless · Abstract · Rated G