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.

Labour Party
Vote share — 2010: 29.0%Vote share — 2015: 30.5%Vote share — 2017: 40.1%Vote share — 2019: 32.1%Vote share — 2024: 33.7%Seat share — 2010: 39.8%Seat share — 2015: 35.7%Seat share — 2017: 40.4%Seat share — 2019: 31.1%Seat share — 2024: 63.3%29%34%40%63%20102024

votes +5 pts seats +24 pts

Conservative Party
Vote share — 2010: 36.1%Vote share — 2015: 36.9%Vote share — 2017: 42.4%Vote share — 2019: 43.7%Vote share — 2024: 23.7%Seat share — 2010: 47.1%Seat share — 2015: 50.8%Seat share — 2017: 48.8%Seat share — 2019: 56.2%Seat share — 2024: 18.6%36%24%47%19%20102024

votes −12 pts seats −29 pts

Liberal Democrats
Vote share — 2010: 23.1%Vote share — 2015: 7.9%Vote share — 2017: 7.4%Vote share — 2019: 11.6%Vote share — 2024: 12.2%Seat share — 2010: 8.8%Seat share — 2015: 1.2%Seat share — 2017: 1.8%Seat share — 2019: 1.7%Seat share — 2024: 11.1%23%12%9%11%20102024

votes −11 pts seats +2 pts

Scottish National Party Why is this dark? Scottish National Party's colour is unreadable against the normal background, so it gets special treatment.
Vote share — 2010: 1.7%Vote share — 2015: 4.7%Vote share — 2017: 3.0%Vote share — 2019: 3.9%Vote share — 2024: 2.5%Seat share — 2010: 0.9%Seat share — 2015: 8.6%Seat share — 2017: 5.4%Seat share — 2019: 7.4%Seat share — 2024: 1.4%2%3%1%1%20102024

votes +1 pts seats +0 pts

Independent
Vote share — 2010: 1.0%Vote share — 2015: 0.3%Vote share — 2017: 0.5%Vote share — 2019: 0.6%Vote share — 2024: 2.0%Seat share — 2010: 0.2%Seat share — 2015: 0.2%Seat share — 2017: 0.2%Seat share — 2019: 0.0%Seat share — 2024: 0.9%1%2%0%1%20102024

votes +1 pts seats +1 pts

Green Party
Vote share — 2010: 1.0%Vote share — 2015: 3.7%Vote share — 2017: 1.6%Vote share — 2019: 2.7%Vote share — 2024: 6.7%Seat share — 2010: 0.2%Seat share — 2015: 0.2%Seat share — 2017: 0.2%Seat share — 2019: 0.2%Seat share — 2024: 0.6%1%7%0%1%20102024

votes +6 pts seats +0 pts

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).