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Top-two primary

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Top-two primary
NameTop-two primary
Other namesnonpartisan blanket primary, jungle primary
Typeelectoral system
Introduced2000s
JurisdictionsCalifornia, Washington (state), Louisiana, Nebraska
Statusimplemented, proposed

Top-two primary

A primary election system in which the two candidates receiving the most votes advance to the general election regardless of party affiliation, the top-two arrangement has been proposed, adopted, litigated, and debated across several United States states and in comparative electoral reform discussions involving United Kingdom, Canada, and Australia examples. Proponents cite broader voter choice, diminished polarization, and more moderate general-election contests, while critics point to diminished minor party viability, strategic voting, and potential conflicts with party-association rights under laws such as the First Amendment and the Voting Rights Act of 1965. Key practitioners, reformers, and litigants include Californians for Electoral Reform, Open Primaries, California Democratic Party v. Jones, and state officials in California, Washington (state), Louisiana, and Nebraska.

Overview

The system places all candidates on a single primary ballot irrespective of party labels and sends the top two vote-getters to the general election, a format compared with the nonpartisan blanket primary and sometimes colloquially called a "jungle primary" in contexts involving Louisiana politics. Advocates such as Bruce Cain and organizations like FairVote argue that the mechanism encourages competition among prominent figures like Dianne Feinstein or Barbara Lee in California contexts, while opponents including the Republican National Committee and the Democratic National Committee express concern for party autonomy. Reform campaigns have intersected with ballot initiatives, state constitutions, and decisions coming from courts such as the United States Supreme Court.

Mechanics and Ballot Structure

Ballots list all candidates, often with party labels provided by state election agencies or secretaries of state such as Alex Padilla or Kim Wyman, and voters choose one candidate; the top two advance. The ballot design and voter information practices have been informed by research from scholars like Pippa Norris and John R. Koza and institutions including the Brennan Center for Justice, Hoover Institution, and Brookings Institution. Implementation varies: California and Washington (state) use statewide top-two for United States House of Representatives and state legislature races, while Louisiana historically used a similar system for statewide offices culminating in runoffs like those involving Bobby Jindal or John Bel Edwards. Ballot-access rules, signature thresholds, and party-labeling disputes have involved election officials and litigation teams led by groups like Campaign Legal Center.

History and Adoption

Top-two proposals trace to reform debates in the late 20th and early 21st centuries and were advanced through initiatives and legislation such as California's Proposition 14 (2010) championed by figures including Jerry Brown allies and political reformers. Washington (state) adopted top-two via Initiative 872 (2004) and later confirmed by legislative action; both states faced court challenges culminating in key rulings by the United States Court of Appeals for the Ninth Circuit and the United States Supreme Court addressing constitutional questions. Comparative precedents include the nonpartisan primaries of Louisiana and the single-member plurality adjustments debated in United Kingdom constituency reforms. Political actors such as Gavin Newsom and Stacey Abrams have commented on or been affected by these structures in high-profile races.

Effects and Criticisms

Empirical studies by researchers like Keith T. Poole, Howard Rosenthal, Nate Silver, and organizations including Pew Research Center have examined impacts on polarization, representation, turnout, and minority-voter influence. Findings are mixed: some analyses report more moderate general-election nominees and increased cross-party appeal for candidates akin to Mark Takano or Ken Buck, while others show depressed minor-party success and strategic candidate entry similar to dynamics observed in Nebraska unicameral races. Civil-rights groups such as the NAACP Legal Defense Fund and Mexican American Legal Defense and Educational Fund have raised concerns about dilution of minority-preferred candidates under top-two systems in jurisdictions like California's Central Valley and Los Angeles County. Critics including party committees argue the system infringes party-association rights, while supporters claim it reduces influence of special interest groups and partisan primaries controlled by activists.

Legal challenges have centered on party associational rights under the First Amendment and protections under the Voting Rights Act of 1965, leading to litigation such as California Democratic Party v. Jones and subsequent suits against state implementations. The United States Supreme Court and federal appellate courts have adjudicated disputes over whether state-run top-two primaries force political parties to associate with candidates they do not endorse. Plaintiffs have included state parties like the California Republican Party and civil-rights organizations, while defendants have included state officials such as secretaries of state. Remedies sought range from injunctions against top-two procedures to structural adjustments in ballot labeling and candidate access.

Comparative Variants and Alternatives

Variants include the nonpartisan blanket primary historically used in Louisiana, two-round systems implemented in countries like France for presidential and legislative elections, and alternative voting reforms such as ranked-choice voting (adopted in places like Maine and San Francisco), open primaries in states like New Hampshire, and proportional nominations promoted by organizations like Democracy Matters and Electoral Reform Society. Systems such as mixed-member proportional representation and single transferable vote present contrasts in terms of party representation and minor-party viability, and scholars from Princeton University and Stanford University have modeled outcomes under these alternatives. Reform debates continue in legislatures, party conventions, and ballot initiatives across jurisdictions including Oregon, Idaho, and electoral reform movements within European Union member states.

Category:Electoral systems