Accurate Democracy
Site explaining Condorcet's method and proportional representation, and their use in public elections and meetings. Free software included.
Administration and Cost of Elections (ACE) Electronic Publication
Contains comprehensive information on all aspects of organising elections. Includes detailed information on voting systems, particularly pointing out the current distribution of v…
Approval Voting
A voting procedure in which voters can vote for, or approve of, as many candidates as they wish. Each candidate approved of receives one vote, and the candidate with the most votes…
Center for Voting and Democracy
Organization that researches how voting systems affect participation, representation and governance. Advocates proportional representation systems for legislative elections, instan…
Condorcet.org
Information on voting methods, centering around the "Ranked Pairs" single-winner election method. This site has an explanation of the method, along with a comprehensive comparison…
Condorcet's Method
A pairwise election system where ranked ballots are used to simulate many head-to-head elections, where the winner is the candidate who wins all pairings.
Declared-Strategy Voting
Group decision-making procedure in which preference is specified using voting strategies in a given scenario (for instance, a first-past-the-post election)
Elections, Electoral Methods and Electoral Law
Describes the voting system for German Federal elections, with discussion, statistics, and links related to unusual characteristics such as with overhang seats and negative weighti…
How Democracy Works
Explanation two-party politics against left-right spectrum. Asserts that in perfect elections, candidates will appear equally imperfect, elections' voter turnout will often be low…
International Foundation for Election Systems (IFES)
A private, nonprofit organization established in 1987 to support electoral and other democratic institutions in emerging, evolving, and experienced democracies.
Politicians and Polytopes mailing list
Preferential voting, and the mathematics of methods derived from or compliant with, principles of STV & FPTP.
PR-Squared
A new electoral system which boasts the advantages of first-past-the-post, but retains the "fairness" of proportional representation.
The De Borda Institute
A Northern Ireland-based not-for-profit organisation which aims to promote the use of Borda voting and related voting procedures on all contentious questions of social choice.
Voting System Simulations
Millions of simulated elections, statistics gathered, utilitarian bests found. Advocates Acceptance/Approval, Borda, Condorcet, Rated, variations, while considering IRV harmful
Wikipedia: Voting System Definition
Comprehensive description of various voting systems. Site uses an open Wiki, which allows anyone to make additions or corrections.
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