electionstracker

United Kingdom 2017 general election

What was the result of the 2017 general election in the United Kingdom?

Conservative won 317 of 650 seats with 42.3% of the vote. 68.9% of registered voters cast a ballot.

  • United Kingdom
  • Held:
  • Final result
  • House of Commons Library, read 5 October 2026

Which party won the most seats?

Final results from the House of Commons Library, read : Conservative won 317 of 650 seats with 42.3% of the vote; 68.9% of registered voters cast a ballot, up 2.5 points on 2015.

  • Conservative 317 −13 seats 42.3% +5.5 points
  • Labour 262 +30 seats 40.0% +9.5 points
  • Liberal Democrat 12 +4 seats 7.4% −0.5 points
  • Scottish National Party 35 −21 seats 3.0% −1.7 points
  • UK Independence Party 0 −1 seat 1.8% −10.8 points
  • Green Party 1 0 seats 1.6% −2.0 points
  • Democratic Unionist Party 10 +2 seats 0.9% +0.3 points
  • Sinn Féin 7 +3 seats 0.7% +0.2 points
  • Plaid Cymru 4 +1 seat 0.5% −0.1 points
  • Seats won
  • Change on the previous election at the right
  • Share of the vote
  • Share at the previous election
  • Change in points at the right

Changes are against the United Kingdom 2015 general election, party by party.

326 of 650 seats make a majority

Key numbers

  1. 42.3%

    Share of the vote won by Conservative

    Conservative won 317 of 650 seats. A majority needs 326.

  2. +30 seats

    Seats gained by Labour

    The largest gain in seats compared with 2015. Scottish National Party lost 21 seats.

  3. 68.9%

    Voter turnout

    Up 2.5 points on 2015.

Seats and votes by party

PartySeats± seats%± pointsVotes
Conservative317−1342.3+5.513,636,684
Labour262+3040.0+9.512,877,918
Liberal Democrat12+47.4−0.52,371,861
Scottish National Party35−213.0−1.7977,568
UK Independence Party0−11.8−10.8594,068
Green Party101.6−2.0512,327
Democratic Unionist Party10+20.9+0.3292,316
Sinn Féin7+30.7+0.2238,915
Plaid Cymru4+10.5−0.1164,466
Independent100.5+0.1151,471
Social Democratic & Labour Party0−30.30.095,419
Ulster Unionist Party0−20.3−0.183,280
The other parties and groups
PartySeats± seats%± pointsVotes
Alliance000.20.064,553
Speaker100.10.034,299
The Yorkshire Party00.120,958
National Health Action Party000.10.016,119
Green Party Northern Ireland000.00.07,452
Scottish Green Party000.0−0.15,886
Christian Peoples Alliance000.00.05,869
People Before Profit Alliance000.00.05,509
Ashfield Independents00.04,612
British National Party000.00.04,580
Official Monster Raving Loony Party000.00.03,890
Liberal000.00.03,672
Women's Equality Party00.03,580
Traditional Unionist Voice000.00.03,282
The North East Party000.00.02,355
Pirate Party UK000.00.02,321
English Democrats000.00.01,913
Christian Party, Proclaiming Christ's Lordship000.00.01,720
Independent Save Withybush Save Lives000.00.01,209
Socialist Labour Party000.00.01,154
The Justice & Anti-Corruption Party000.00.0991
Animal Welfare Party000.00.0955
Southampton Independents00.0816
Workers Revolutionary Party000.00.0771
The Workers' Party000.00.0708
Something New000.00.0552
Demos Direct Initiative Party00.0551
Libertarian Party00.0524

± is the change against the United Kingdom 2015 general election, party by party.

Votes by party
  • Conservative 13,636,684
  • Labour 12,877,918
  • Liberal Democrat 2,371,861
  • Scottish National Party 977,568
  • UK Independence Party 594,068
  • Green Party 512,327
  • Democratic Unionist Party 292,316
  • Sinn Féin 238,915
  • Plaid Cymru 164,466
  • Independent 151,471
  • Social Democratic & Labour Party 95,419
  • Ulster Unionist Party 83,280
  • Alliance 64,553
  • Speaker 34,299
  • The Yorkshire Party 20,958
  • National Health Action Party 16,119
  • Green Party Northern Ireland 7,452
  • Scottish Green Party 5,886
  • Christian Peoples Alliance 5,869
  • People Before Profit Alliance 5,509
  • Ashfield Independents 4,612
  • British National Party 4,580
  • Official Monster Raving Loony Party 3,890
  • Liberal 3,672
  • Women's Equality Party 3,580
  • Traditional Unionist Voice 3,282
  • The North East Party 2,355
  • Pirate Party UK 2,321
  • English Democrats 1,913
  • Christian Party, Proclaiming Christ's Lordship 1,720
  • Independent Save Withybush Save Lives 1,209
  • Socialist Labour Party 1,154
  • The Justice & Anti-Corruption Party 991
  • Animal Welfare Party 955
  • Southampton Independents 816
  • Workers Revolutionary Party 771
  • The Workers' Party 708
  • Something New 552
  • Demos Direct Initiative Party 551
  • Libertarian Party 524

34 smaller parties are not shown.

How many people voted?

68.9% of the 46,836,533 registered voters cast a ballot (32,278,372 ballots), up 2.5 points on 2015. 32,204,184 of them were valid votes. The highest turnout since 1997 in our data.

How do the votes compare with the seats?

  • Conservative42.3% of votes48.8% of seats
  • Labour40.0% of votes40.3% of seats
  • Scottish National Party3.0% of votes5.4% of seats
  • Liberal Democrat7.4% of votes1.8% of seats
  • Democratic Unionist Party0.9% of votes1.5% of seats
  • Sinn Féin0.7% of votes1.1% of seats
  • Plaid Cymru0.5% of votes0.6% of seats
  • Green Party1.6% of votes0.2% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 6.5 (0 when seats follow votes exactly); the effective number of parties is 2.9 by votes and 2.5 by seats; Conservative led Labour by 2.4 points of the vote.

Time and source Data as of

Sources