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First Past the Post Explained: How Seat Winners Work

Parliament building context for first-past-the-post explainer
Photo: “View Big Ben London Parliament” by rawpixel.com · CC0 1.0 · via Openverse (rawpixel)

In brief

First past the post is a plurality voting system where the candidate with the most votes in a district wins, even without a majority. The UK and Canada use versions of it for many parliamentary seats; national vote share can differ from seat share.

First past the post is a plurality voting system where the candidate with the most votes in a district wins, even without a majority. The UK and Canada use versions of it for many parliamentary seats; national vote share can differ from seat share.

Why can seat share diverge?

Geography and vote distribution matter as much as national percentages.

Related UK polls?

See uk-voting-intention-polls-latest — polls are not seat forecasts.

Canada?

See canada-federal-polls-latest-338.

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Last updated: 12 Oct 2026. Re-check linked official sources before citing figures.

Why it matters

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People also ask

Is it the same as ranked choice?

No.

US House?

Also district plurality in most cases.

Predictions?

No.

Sources

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