In certain
ranked-voting systems, a first-preference vote (or first preference, 1st preference, or primary vote) is the individual voter's first choice amongst (possibly) many.
In certain ranked systems such as
Instant-Runoff Voting
Instant-runoff voting (IRV) is a type of ranked preferential voting method. It uses a majority voting rule in single-winner elections where there are more than two candidates. It is commonly referred to as ranked-choice voting (RCV) in the Un ...
or
Single Transferable Vote
Single transferable vote (STV) is a multi-winner electoral system in which voters cast a single vote in the form of a ranked-choice ballot. Voters have the option to rank candidates, and their vote may be transferred according to alternate p ...
, the first-preference for candidate(s)/option(s) are initially counted, and then, if necessary, this criterion is altered to allow for proportionality, and to carry surplus and/or ineffective votes to second and subsequent options depending on the system involved.
Ballots with no clear first preference (
no preference, or
multiple first preferences) are generally regarded as a
spoilt vote
In voting, a ballot is considered spoilt, spoiled, void, null, informal, invalid or stray if a law declares or an election authority determines that it is invalid and thus not included in the vote count. This may occur accidentally or deliberat ...
. The term is also used (trivially) in
first past the post
In a first-past-the-post electoral system (FPTP or FPP), formally called single-member plurality voting (SMP) when used in single-member districts or informally choose-one voting in contrast to ranked voting, or score voting, voters cast their ...
systems.
First-preference votes are used by
psephologists
Psephology (; from Greek el, ψῆφος, psephos, pebble, label=none) or political analysis is a branch of political science, the "quantitative analysis of elections and balloting". As such, psephology attempts to explain elections using the ...
and the
print and
broadcast
Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum ( radio waves), in a one-to-many model. Broadcasting began ...
media to broadly describe the ''state of the parties'' at elections and the ''
swing'' between elections.
The term is much-used in Australian politics, where ranked voting has been universal at federal, state, and local levels since the 1920s.
References
{{voting systems
Non-monotonic electoral systems
Preferential electoral systems
Proportional representation electoral systems
Single-winner electoral systems