2016 London mayoral election

2016 election for the Mayor of London

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[1] and the Labour Party candidate was Sadiq Khan.[2] In the election, Khan was elected mayor.

London mayoral election, 2016

← 2012 5 May 2016 2021 →
Turnout45.3% Increase 7.2 pp
  Sadiq Khan November 2016.jpg Zac Goldsmith MP - official photo 2017 (cropped).jpg
Candidate Sadiq Khan Zac Goldsmith
Party Labour Conservative
1st Round vote 1,148,716 909,755
Percentage 44.2% 35.0%
2nd Round vote 1,310,143 994,614
Percentage 56.8% 43.2%

London mayoral election by borough 2016 map.png
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.

Mayor before election

Boris Johnson

Elected Mayor

Sadiq Khan



  • Sadiq Khan - 1,310,143
  • Zack Goldsmith - 994,614
  • Siân Berry - 150,673
  • Caroline Pidgeon - 120,005
  • Peter Whittle - 94,373
  • George Galloway- 37,007

The election election used the supplementary vote system, which is where the voters choose a first and a second choice of candidates. After two rounds Khan was elected as Mayor.[3]


  1. Donovan, Tim (17 September 2015). "Tory London mayoral selection process 'chaotic compared to Labour'". BBC News. Retrieved 25 September 2015.
  2. Wintour, Patrick. "Sadiq Khan elected as Labour's candidate for mayor of Londo". The Guardian. Retrieved 11 September 2015.
  3. "Elections: Labour's Sadiq Khan elected London mayor". BBC News. Retrieved 7 May 2016.