Instant-runoff voting (IRV; US: ranked-choice voting (RCV), AU: preferential voting, UK/NZ: alternative vote) is a single-winner ranked voting election...

not strictly defined, but most often refers to instant-runoff voting (IRV) or single transferable vote (STV), the main difference being whether only one...

Runoff voting can refer to: election methods where candidates are eliminated based on comparison of votes tallies: Two-round system, a voting system where...

Maine use the Instant-runoff voting system, the ranked-choice voting (RCV) system, which unlike TRS does not require multiple rounds of voting.) The French...

Instant-runoff voting (IRV) is a ranked voting method used in single-winner elections. IRV is also known outside the US as the alternative vote (AV) or...

voting systems vary dramatically in how preferences are tabulated and counted, which gives them very different properties. In instant-runoff voting (IRV)...

in the United States have begun to adopt instant-runoff voting. In 2020 a referendum adopting approval voting in St. Louis passed with 70% support. In...

preferential voting systems, such as instant runoff voting, as well as the two-round system of runoffs and less tested methods such as approval voting and Condorcet...

severity of spoiler effects depends substantially on the voting method. Instant-runoff voting (IRV), the two-round system (TRS), and especially first-past-the-post...

a hybrid between (rated) score voting and (ranked) instant runoff voting. The first movement to implement STAR voting was centered in Oregon, with chapters...

later-no-harm (most methods) or monotonicity (such as instant-runoff voting) will encourage bullet voting or truncation in some situations. In systems that...

other ranked-vote systems – such as single transferable voting (STV), instant-runoff voting (IRV), Coombs' method, and Baldwin's method – allow for many...

literature) Instant-runoff voting and single transferable vote, referred to as "preferential voting" in Australia by way of conflation Bucklin voting, similarly...

Plurality voting Instant-runoff voting Borda count Approval Voting Coombs' rule Bucklin voting (and the closely related median voting) Score Voting With plurality...

one does exist, include instant-runoff voting (often called ranked-choice in the United States), First-past-the-post voting, and the two-round system...

systems – such as first-past-the-post (FPTP), instant-runoff voting (IRV), and block voting – one party or voting bloc can take all seats in a district. The...

winner-take-all elections using block plurality voting or block instant-runoff voting. Cumulative voting is commonly used in corporate governance, where...

New York City, primaries are held using ranked-choice voting, also known as instant runoff voting. Eric Adams was elected mayor of New York City in 2021...

Multiple transferable voting, sometimes called block preferential or block instant-runoff voting, is a winner-take-all system for electing several representatives...

no-show paradoxes is the use of instant-runoff (often called ranked-choice voting in the United States). In instant-runoff voting, a no-show paradox can occur...

is one. Not all single winner, ranked voting systems are Condorcet methods. For example, instant-runoff voting and the Borda count are not Condorcet methods...

Coombs' method is a ranked voting system. Like instant-runoff (IRV-RCV), Coombs' method is a sequential-loser method, where the last-place finisher according...

one vote. Alternatives to First-past-the-post voting include approval voting, two-round, proportional representation, and instant-runoff voting. With...

emphasize instant-runoff voting (IRV), a national popular vote, and universal voter registration. It changed its name to the Center for Voting and Democracy...

is necessary to vote only once, instant-runoff voting has been used for large-scale elections in many places. Like instant-runoff voting, the exhaustive...

criterion include any Condorcet method, instant-runoff voting, Bucklin voting, plurality voting, and approval voting. The mutual majority criterion is a generalized...

preference Instant-runoff voting (IRV), a specific ranked voting system with single-winner districts Single transferable vote (STV), a specific ranked voting system...

will contest the election. Australia has compulsory voting, with preferential instant-runoff voting in single-member seats. The 2025 Australian federal...

two-round system, instant-runoff voting, and some primary systems. Instant-runoff voting is a sequential loser method based on plurality voting, while Baldwin's...

rules like the two-round system, plurality-with-primaries, and instant-runoff voting (IRV). In a center squeeze, the majority-preferred and socially...