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...

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...

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

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

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...

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...

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...

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

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

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...

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

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

of spoiler effects depends substantially on the voting method. Instant-runoff or ranked-choice voting (RCV), the two-round system (TRS), and especially...

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

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

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...

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...

Multiple transferable voting, sometimes called block preferential, block instant-runoff, multi-pass, or cascade voting, is a winner-take-all system for...

(March 12, 2009). "Voting Paradoxes and Perverse Outcomes: Political Scientist Tony Gierzynski Lays Out A Case Against Instant Runoff Voting". Vermont Daily...

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...

re-election to a third term. Minneapolis uses instant-runoff voting, also known as ranked choice voting, in its mayoral elections. The election will be...

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...

Kröger, Sabine (2023). "How Do People Vote Under Instant Runoff Voting? An Experiment on Complexity and Voting Behavior". SSRN Electronic Journal. doi:10...

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...

and score). Negative responsiveness occurs in instant-runoff voting (IRV), the single transferable vote, and the two-round system. Some quota-based apportionment...

are sometimes called best-is-worst paradoxes, and can occur in instant-runoff voting and minimax. Methods that satisfy reversal symmetry include the...

"Estimating the Margin of Victory for Instant-runoff Voting". Proceedings of the 2011 Conference on Electronic Voting Technology/Workshop on Trustworthy Elections...