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electoral systems - Coggle Diagram
electoral systems
supplementary vote
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If no candidate receives more than 50% of the first-preference votes, all but the top two candidates are eliminated.
Second-preference votes for the eliminated candidates are then redistributed to the remaining two candidates.
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used to be used for mayoral elections, now FPTP is used
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disadvantages
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May not be fully proportional, as it is still a majoritarian system.
Can still result in tactical voting, although to a lesser extent than FPTP.
single transferable vote
Voters rank candidates in order of preference (1, 2, 3, etc.).
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If a candidate reaches the quota on the first count, they are elected, and any surplus votes are transferred to other candidates based on voter preferences.
If no candidate reaches the quota, the candidate with the fewest votes is eliminated, and their votes are transferred to other candidates.
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advantages
Proportional representation, ensuring that seats are allocated more fairly based on votes.
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disadvantages
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May not always produce a clear winner, leading to coalition governments.
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first past the post
Each voter casts one vote for their preferred candidate in constuency, each constuency has 1 MP
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advantages
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Often leads to single-party majority governments, providing stability.
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