A general election to the 56th Parliament of the United Kingdom with an electorate of 46,354,197, having 30,697,525 valid votes and 102,639 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 7 May 2015. 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 |
| Conservative | 58 | 1,445,946 | 49.2% | 52 |
| Labour | 58 | 649,321 | 22.1% | 4 |
| UK Independence Party | 58 | 478,517 | 16.3% | 1 |
| Liberal Democrat | 58 | 243,191 | 8.3% | 1 |
| Green Party | 54 | 116,274 | 4.0% | 0 |
| Residents for Uttlesford | 1 | 1,658 | 0.1% | 0 |
| Liberal | 2 | 1,304 | 0.0% | 0 |
| English Democrats | 5 | 730 | 0.0% | 0 |
| Trade Unionist and Socialist Coalition | 4 | 669 | 0.0% | 0 |
| Christian Peoples Alliance | 4 | 545 | 0.0% | 0 |
| Cannabis Is Safer Than Alcohol | 2 | 411 | 0.0% | 0 |
| Official Monster Raving Loony Party | 1 | 294 | 0.0% | 0 |
| Common Sense Party | 1 | 256 | 0.0% | 0 |
| Rebooting Democracy | 1 | 187 | 0.0% | 0 |
| The Sustainable Population Party | 1 | 116 | 0.0% | 0 |
| British National Party | 1 | 108 | 0.0% | 0 |
| Class War | 1 | 96 | 0.0% | 0 |
| Young People's Party | 1 | 80 | 0.0% | 0 |
| All People's Party | 1 | 31 | 0.0% | 0 |