Pemungutan suara putaran kedua instan (Instant-runoff voting, IRV) adalah sebuah metode Pemungutan suara yang dipakai dalam pemilihan kursi tunggal dengan lebih dari dua kandidat. (ini juga terkadang disebut Pemungutan suara pilihan berperingkat (ranked-choice voting (RCV) dan Pemungutan suara preferensial (preferential voting). Disamping pemberian suara hanya untuk seorang kandidat tunggal, para pemilih dalam pemilihan IRV dapat memeringkatkan para kandidat dalam tatanan preferensi. Jajak pendapat awalnya dihitung untuk pilihan papan atas setiap elektor. Jika seorang kandidat meraih lebih dari setengah jumlah suara, kandidat tersebut menang. Selain itu, kandidat di tempat terakhir dieliminasi dan dihapus dari konsiderasi. Pilihan papan atas yang masih tersisi pada seluruh Pemungutan suara kemudian dihitung lagi. Proses ini diulang sampai satu kandidat menjadi pilihan teratas yang tersisa dari mayoritas pemilih. Saat pemilihan dikurangi sampai dua pilihan, ini menjadi sebuah "instant runoff" yang membolehkan perbandingan dua kandidat papan atas secara head-to-head.

Referensi

Pranala luar

2010 articles from the Constitution Society and Electoral Reform Society summarizing the proposed change in the United Kingdom to IRV/Alternative Vote

= Praktik

= Advantages and disadvantages of AV from the ACE Project Electoral Design Reference Materials A Handbook of Electoral System Design from International IDEA Australian Electoral Commission Web Site Preferential Voting in Australia from Australian Politics.com San Francisco Department of Elections, California Diarsipkan 2017-07-15 di Wayback Machine. Alameda County Registrar of Voters, California City of Minneapolis, Minnesota Ranked Choice Voting Resource Center

= Demo dan simulasi

= The Star Tribune: How ranked-choice voting works – an interactive graphic AmericanQuorum.com A ranked-choice ballot tool from the Indaba Application Network, including the animated display of an instant runoff. BBC: Would the alternative vote have changed history?, illustration of how the results of the last six general elections might have looked had the 'alternative vote' system been in place. OpenSTV – Open source software for computing IRV and STV Favourite Futurama Character Poll Voting System Visualizations – 2-dimensional plots of results of various methods, with assumptions of sincere voting behavior. Simulation Of Various Voting Models for Close Elections Opposition article by Brian Olson.

= Kelompok dan pihak pendukung

= Yes to Fairer Votes Diarsipkan 2011-04-19 di Wayback Machine. campaign site for the Yes side of the United Kingdom Alternative Vote referendum, 2011 Washington Post Ranked Choice Voting Diarsipkan 2013-12-31 di Wayback Machine. at FairVote League of Women Voters of Vermont Diarsipkan 2007-11-28 di Wayback Machine. Ranked Choice Voting at [Represent.Us] InstantRunoff.com Ranked Ballot Initiative of Toronto, rabit.ca Roosevelt Institution Citizens for Voter Choice:: Massachusetts FairVote Minnesota Common Cause Massachusetts Brookings Institution's "Empowering Moderate Voters" paper Does the Alternative Vote Bring Tyranny to Australia? – Antony Green ABC

= Kelompok dan pihak penentang

= Fair Vote Canada paper on the Alternative Vote IRV page at the Center for Range Voting Instant Runoff Voting Report Diarsipkan 2007-09-26 di Wayback Machine. Values and Risks Report by the N.C. Coalition for Verified Voting