ranked voting
voting systems that use ranked ballots
The Borda method
Each candidate votes for the candidates and then the scores are calculated, each candidate's score is the same as the scores of other candidates below him, the last one gets 0 points, the next one gets 1 point, and so on until the win.
Schulze method
Single-winner electoral system
instant-runoff voting
voting method for single-seat elections, where voters rank the candidates in order of preference; ballots are initially counted for each voter’s top choice, losers are eliminated one-by-one, with losers' ballots redistributed till 1 candidate remains
single transferable vote
proportional representation voting system for multi-member constituencies
Positional voting system
Class of ranked-choice electoral systems