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 |
| Democratic Unionist Party | 17 | 292,316 | 36.7% | 10 |
| Sinn Féin | 18 | 238,915 | 30.0% | 7 |
| Social Democratic & Labour Party | 18 | 95,419 | 12.0% | 0 |
| Ulster Unionist Party | 14 | 83,280 | 10.5% | 0 |
| Alliance | 18 | 64,553 | 8.1% | 0 |
| Green Party | 7 | 7,452 | 0.9% | 0 |
| People Before Profit Alliance | 2 | 5,509 | 0.7% | 0 |
| Conservative | 7 | 3,895 | 0.5% | 0 |
| Traditional Unionist Voice | 1 | 3,282 | 0.4% | 0 |
| The Workers' Party | 2 | 708 | 0.1% | 0 |
| Citizens Independent Social Thought Alliance | 1 | 393 | 0.0% | 0 |