<Table> United Kingdom general election, 2015 <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2010 </Td> <Td> 7 May 2015 </Td> <Td> 2017 → </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> ← outgoing members elected members → </Td> </Tr> <Tr> <Th_colspan="2"> All 650 seats in the House of Commons 326 seats needed for a majority </Th> </Tr> <Tr> <Td_colspan="2"> Opinion polls </Td> </Tr> <Tr> <Th> Turnout </Th> <Td> 66.4% (1.3%) </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> </Th> <Th> First party </Th> <Th> Second party </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Leader </Th> <Td> David Cameron </Td> <Td> Ed Miliband </Td> </Tr> <Tr> <Th> Party </Th> <Td> Conservative </Td> <Td> Labour </Td> </Tr> <Tr> <Th> Leader since </Th> <Td> 6 December 2005 </Td> <Td> 25 September 2010 </Td> </Tr> <Tr> <Th> Leader's seat </Th> <Td> Witney </Td> <Td> Doncaster North </Td> </Tr> <Tr> <Th> Last election </Th> <Td> 306 seats, 36.1% </Td> <Td> 258 seats, 29.0% </Td> </Tr> <Tr> <Th> Seats won </Th> <Td> 330 * </Td> <Td> 232 </Td> </Tr> <Tr> <Th> Seat change </Th> <Td> 24 </Td> <Td> 26 </Td> </Tr> <Tr> <Th> Popular vote </Th> <Td> 11,334,226 </Td> <Td> 9,347,273 </Td> </Tr> <Tr> <Th> Percentage </Th> <Td> 36.8% </Td> <Td> 30.4% </Td> </Tr> <Tr> <Th> Swing </Th> <Td> 0.7% </Td> <Td> 1.5% </Td> </Tr> <Tr> <Td_colspan="4"> </Td> </Tr> <Tr> <Th> </Th> <Th> Third party </Th> <Th> Fourth party </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Leader </Th> <Td> Nicola Sturgeon </Td> <Td> Nick Clegg </Td> </Tr> <Tr> <Th> Party </Th> <Td> SNP </Td> <Td> Liberal Democrat </Td> </Tr> <Tr> <Th> Leader since </Th> <Td> 14 November 2014 </Td> <Td> 18 December 2007 </Td> </Tr> <Tr> <Th> Leader's seat </Th> <Td> Did not stand </Td> <Td> Sheffield Hallam </Td> </Tr> <Tr> <Th> Last election </Th> <Td> 6 seats, 1.7% </Td> <Td> 57 seats, 23.0% </Td> </Tr> <Tr> <Th> Seats won </Th> <Td> 56 </Td> <Td> 8 </Td> </Tr> <Tr> <Th> Seat change </Th> <Td> 50 </Td> <Td> 49 </Td> </Tr> <Tr> <Th> Popular vote </Th> <Td> 1,454,436 </Td> <Td> 2,415,916 </Td> </Tr> <Tr> <Th> Percentage </Th> <Td> 4.7% </Td> <Td> 7.9% </Td> </Tr> <Tr> <Th> Swing </Th> <Td> 3.1% </Td> <Td> 15.2% </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Colours denote the winning party, as shown in the main table of results . * Figure does not include the Speaker of the House of Commons John Bercow, who was included in the Conservative seat total by some media outlets . </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Prime Minister before election <P> David Cameron Conservative </P> </Td> <Td> Subsequent Prime Minister <P> David Cameron Conservative </P> </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2010 </Td> <Td> 7 May 2015 </Td> <Td> 2017 → </Td> </Tr> </Table> </Td> </Tr>

How many seats did labour win in 2015