⚽ Live Match: wiki/Proxy voting - Info Live Streaming 2026

The examples and perspectives in this article deal primarily with the United States and do not represent a worldwide view of the subject. You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate. (May 2024) (Learn how and when to remove this message)

Social choice and electoral systems
A joint Politics and Economics series

Social choice Mechanism design Comparative politics Comparison List (By country)
Single-winner methods Single vote – plurality methods Approval voting First preference plurality (FPP) Two-round (US: Jungle primary) Partisan primary Instant-runoff UK/NZ: Alternative vote (AV) AU: Preferential voting US/CA: Ranked-choice (RCV) Party block voting Plurality block voting Condorcet methods Condorcet-IRV Round-robin voting Minimax Kemeny Schulze Ranked pairs Maximal lottery Positional voting Plurality (el. IRV) Borda count (el. Baldwin, Mdn. Bucklin) Antiplurality (el. Coombs) Rated (cardinal) voting Score voting Approval voting Combined approval voting Majority judgment STAR voting
Proportional representation Party-list Apportionment Highest averages (D'Hondt, Sainte-Laguë, Huntington–Hill) Largest remainders (Hare-Niemeyer, Hagenbach-Bischoff, Imperiali) National remnant Biproportional List type Closed list Localized list Open list Free list No list Quota-remainder methods Single transferable vote (Hare, Droop) Schulze STV CPO-STV Quota Borda Approval-based committees Thiele's method Phragmén's method Expanding approvals rule Method of equal shares Fractional social choice Direct representation Interactive representation Liquid democracy Fractional approval voting Maximal lottery Random ballot Semi-proportional representation Cumulative SNTV Limited voting
Mixed systems By results of combination Mixed-member majoritarian Mixed-member proportional By mechanism of combination Non-compensatory Parallel (superposition) Coexistence Conditional Fusion (majority bonus) Compensatory Seat linkage system UK: 'AMS' NZ: 'MMP' Vote linkage system Negative vote transfer Mixed ballot Supermixed systems Dual-member mixed proportional Rural–urban proportional Majority jackpot By ballot type Single vote Double simultaneous vote Dual-vote
Paradoxes and pathologies Spoiler effects Spoiler effect Cloning paradox Frustrated majorities paradox Center squeeze Pathological response Perverse response Apportionment paradox Best-is-worst paradox No-show paradox Multiple districts paradox Strategic voting Lesser evil voting Exaggeration Truncation Turkey-raising Wasted vote Paradoxes of majority rule Tyranny of the majority Discursive dilemma Conflicting majorities paradox
Social and collective choice Impossibility theorems Arrow's theorem Majority impossibility Moulin's impossibility theorem McKelvey–Schofield chaos theorem Gibbard's theorem Positive results Median voter theorem Condorcet's jury theorem May's theorem Condorcet dominance theorems Harsanyi's utilitarian theorem Non-classical mechanisms VCG mechanism Quadratic voting Supermajority Unanimity
Politics portal Economics portal Mathematics portal
v t e

Democracy
Part of the Politics series
History Theory Measuring / Indices / Rankings
Types Anticipatory Athenian Cellular Consensus Conservative Cosmopolitan Defensive Deliberative Direct Economic Electronic Empowered Ethnic Grassroots Guided Hybrid regime Illiberal Inclusive Industrial Jacksonian Jeffersonian Liberal Liquid Majoritarian Media Monitory Multiparty Non-partisan Oral Participatory Pluralist Popular Procedural Radical Representative Religious Buddhist Christian Islamic Jewish Mormon Sectarian Semi Social Socialist Sociocracy Sovereign Soviet Substantive Supermajority Totalitarian Whole-process people's Workplace
Methods Campaign Consultation Demonstration Election By-election Direct Indirect