A general election to the 57th Parliament of the United Kingdom with an electorate of 46,836,533, having 32,204,184 valid votes and 74,188 invalid votes.
Read the House of Commons Library briefing.
By area - By majority - By vote share of winning candidate - By turnout - By declaration time - By party - Non-party candidates
Registered political parties nominating candidates standing in the general election on 8 June 2017. This list does not include candidates standing as independents or the candidate standing as House of Commons Speaker.
| Party | Constituencies contested | Votes | Vote share | Constituencies won |
| Labour | 40 | 771,354 | 49.0% | 28 |
| Conservative | 40 | 528,839 | 33.6% | 8 |
| Plaid Cymru | 40 | 164,466 | 10.4% | 4 |
| Liberal Democrat | 40 | 71,039 | 4.5% | 0 |
| UK Independence Party | 32 | 31,376 | 2.0% | 0 |
| Green Party | 10 | 5,128 | 0.3% | 0 |
| Independent Save Withybush Save Lives | 1 | 1,209 | 0.1% | 0 |
| Pirate Party UK | 3 | 446 | 0.0% | 0 |
| Women's Equality Party | 1 | 177 | 0.0% | 0 |
| Official Monster Raving Loony Party | 1 | 157 | 0.0% | 0 |
| The Socialist Party of Great Britain | 1 | 92 | 0.0% | 0 |
| The New Society of Worth | 1 | 31 | 0.0% | 0 |