|Turnout||38.1% 7.2 pp|
Result of voting by London borough. Blue boroughs are those with most votes for Boris Johnson and red those for Ken Livingstone.
The London mayoral election of 2012 was on Thursday 3 May 2012. It was the fourth London mayoral election. It was won by Conservative Party candidate and the incumbent mayor Boris Johnson who has been mayor since the 2008 election.