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unusual facts about History and use of instant-runoff voting


History and use of instant-runoff voting

As of September 2013, American cities currently using IRV to elect at least one office include Minneapolis, Minnesota; Oakland, California; Portland, Maine; St. Paul, Minnesota; San Francisco, California; Takoma Park, Maryland; Berkeley, California; San Leandro, California; and Telluride, Colorado.


Preferential voting

Instant-runoff voting, referred to as "preferential voting" in Australia, is one type of ranked voting system.

Runoff voting

Exhaustive ballot, a reiterative voting system whereby rounds of voting continue (with or without elimination) until one candidate achieves a majority, also called repeated balloting

Instant-runoff voting, an electoral system whereby voters rank the candidates in order of preference

Two-round system, a voting system used to elect a single winner, whereby only two candidates from the first round continue to the second round

Victorian Legislative Assembly

The Legislative Assembly presently consists of 88 members, each elected in single-member electoral districts, more commonly known as electorates or seats, using preferential voting, which is the same voting system used for the federal lower house, the Australian House of Representatives.

Vote splitting

Runoff voting methods are less vulnerable to vote splitting compared to plurality voting.


see also