Parliamentary Parties

Every party that won at least 1% of valid votes at the 2024 UK general election, paired against the seats they actually took. Under First Past the Post the gap is routinely large — that's the story.

649 constituencies elected (28,775,376 valid votes)
554 seats won without majority support (85.4% of constituencies)
Severely disproportional overall vote-to-seat distortion (Gallagher index)

Cycle-over-cycle movement

Vote share (solid) and seat share (dashed) across every ingested general election. Hover any marker for the year and share at that cycle.

Who won what now

Every Westminster constituency from the 2024 election, coloured by the winning party. Hover any hex for the winning share; click to drill into the full candidate record. Northern Ireland is included — Westminster elections use First Past the Post across the whole UK.

Winning party

  • Labour Party 411
  • Conservative Party 121
  • Liberal Democrats 72
  • Scottish National Party 9
  • Independent 6
  • Reform UK 5
  • Green Party 4

Votes vs seats, by election

For each ingested general election, the bars show every party's share of valid votes (filled) against its share of the 650-odd seats they actually won (outlined). The signed gap on the right is the disproportionality FPTP produced.

2024 general election

649 seats · 28,775,376 valid votes · severely disproportional · 554 minority winners.

89 smaller parties (under 1% of valid votes) hidden — the full party-by-party totals are in the CSV downloads.

2019 general election

649 seats · 31,974,240 valid votes · highly disproportional · 229 minority winners.

64 smaller parties (under 1% of valid votes) hidden — the full party-by-party totals are in the CSV downloads.

2017 general election

649 seats · 32,151,505 valid votes · moderately disproportional · 174 minority winners.

66 smaller parties (under 1% of valid votes) hidden — the full party-by-party totals are in the CSV downloads.

2015 general election

649 seats · 30,643,833 valid votes · severely disproportional · 334 minority winners.

122 smaller parties (under 1% of valid votes) hidden — the full party-by-party totals are in the CSV downloads.

2010 general election

649 seats · 29,639,269 valid votes · severely disproportional · 433 minority winners.

124 smaller parties (under 1% of valid votes) hidden — the full party-by-party totals are in the CSV downloads.

Pick a party

Every party visible at the 2024 general election, sorted by vote share. Each card shows the headline distortion in that cycle and the four-year vote-share movement where we have a prior cycle to compare against.

Definitions and caveats live in the methodology page. Source data for the 2024 cycle: House of Commons Library general election results 2024, retrieved 2026-05-18 (Open Parliament Licence v3.0).