<Table> <Tr> <Th_colspan="2"> United Kingdom Alternative Vote referendum </Th> </Tr> <Tr> <Td_colspan="2"> At present, the UK uses the "first past the post" system to elect MPs to the House of Commons . Should the "alternative vote" system be used instead? </Td> </Tr> <Tr> <Th> Location </Th> <Td> United Kingdom </Td> </Tr> <Tr> <Th> Date </Th> <Td> 5 May 2011 (2011 - 05 - 05) </Td> </Tr> <Tr> <Td_colspan="2"> <Table> Results <Tr> <Td> </Td> <Th> Votes </Th> <Th>% </Th> </Tr> <Tr> <Td> Yes </Td> <Td> 6,152,607 </Td> <Td> 7001321000000000000 ♠ 32.10% </Td> </Tr> <Tr> <Td> No </Td> <Td> 13,013,123 </Td> <Td> 7001679000000000000 ♠ 67.90% </Td> </Tr> <Tr> <Td> Valid votes </Td> <Td> 19,165,730 </Td> <Td> 7001994100000000000 ♠ 99.41% </Td> </Tr> <Tr> <Td> Invalid or blank votes </Td> <Td> 113,292 </Td> <Td> 6999590000000000000 ♠ 0.59% </Td> </Tr> <Tr> <Td> Total votes </Td> <Td> 19,279,022 </Td> <Td> 100.00% </Td> </Tr> <Tr> <Td> Registered voters / turnout </Td> <Td> 45,684,501 </Td> <Td> 7001422000000000000 ♠ 42.2% </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Results by local voting areas </Th> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Yes No </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> United Kingdom Alternative Vote referendum </Th> </Tr>

Where is alternative vote used in the uk
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