Results for a UK general election on 7 May 2015 Wales - by party
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.
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 |
| Labour | 40 | 552,473 | 37.0% | 25 |
| Conservative | 40 | 407,813 | 27.3% | 11 |
| Plaid Cymru | 40 | 181,704 | 12.2% | 3 |
| Liberal Democrat | 40 | 97,783 | 6.5% | 1 |
| UK Independence Party | 40 | 204,330 | 13.7% | 0 |
| Green Party | 35 | 38,344 | 2.6% | 0 |
| Independent Save Withybush Save Lives | 1 | 3,729 | 0.2% | 0 |
| Socialist Labour Party | 8 | 3,481 | 0.2% | 0 |
| Trade Unionist and Socialist Coalition | 12 | 1,780 | 0.1% | 0 |
| Official Monster Raving Loony Party | 2 | 466 | 0.0% | 0 |
| People First - Gwerin Gyntaf | 1 | 407 | 0.0% | 0 |
| Christian Party, Proclaiming Christ's Lordship | 1 | 331 | 0.0% | 0 |
| Communist Party of Britain | 2 | 330 | 0.0% | 0 |
| Cannabis Is Safer Than Alcohol | 1 | 238 | 0.0% | 0 |
| The Above and Beyond Party | 1 | 194 | 0.0% | 0 |
| Pirate Party UK | 1 | 106 | 0.0% | 0 |
| English Democrats | 1 | 100 | 0.0% | 0 |
| Alter Change - Politics. Only Different. | 1 | 78 | 0.0% | 0 |
| National Front | 1 | 66 | 0.0% | 0 |
| The Socialist Party of Great Britain | 1 | 49 | 0.0% | 0 |
| The New Society of Worth | 1 | 23 | 0.0% | 0 |