What is 2016 London mayoral election?
{{Infobox election | election_name = London mayoral election, 2016 | country = United Kingdom | type = presidential | ongoing = no | previous_election = London mayoral election, 2012 | previous_year = 2012 | next_election = London mayoral election, 2020 | next_year = ''2021'' | election_date = 5 May 2016 | turnout = 45.3% {{increase}} 7.2 [[percentage point|pp]] | title = [[Mayor of London|Mayor]] | 1blank = 1st&nbsp;Round&nbsp;vote | 2blank = Percentage | 3blank = 2nd&nbsp;Round&nbsp;vote | 4blank = Percentage | image1 = Sadiq Khan November 2016.jpg | image1_size = 160x160px | candidate1 = '''[[Sadiq Khan]]''' | party1 = Labour Party (UK) | 1data1 = '''1,148,716''' | 2data1 = '''44.2%''' | 3data1 = '''1,310,143''' | 4data1 = '''56.8%''' | image2 = Zac Goldsmith MP - official photo 2017 (cropped).jpg | image2_size = 160x160px | candidate2 = [[Zac Goldsmith]] | party2 = Conservative Party (UK) | 1data2 = 909,755 | 2data2 = 35.0% | 3data2 = 994,614 | 4data2 = 43.2% | map_image = London_mayoral_election_by_borough_2016_map.png | map_size = | map_caption = Result of voting by London borough. Red boroughs are those with a plurality of (first-preference) votes for Sadiq Khan and blue are those with a plurality for Zac Goldsmith. | before_election = [[Boris Johnson]] | before_party = Conservative Party (UK) | after_election = [[Sadiq Khan]] | after_party = Labour Party (UK) }} The '''2016 London mayoral election''' was held on 5 May 2016 to elect the next Mayor of London. It was the fifth London mayoral election. The sitting mayor of London [[Boris Johnson]] did not stand for re-election. The Conservative Party candidate was [[Zac Goldsmith]]<ref>{{cite web|last1=Donovan|first1=Tim|title=Tory London mayoral selection process 'chaotic compared to Labour'|url=https://www.bbc.co.uk/news/uk-england-london-34273413|publisher=BBC News|access-date=25 September 2015|date=17 September 2