Vote for the Mayor and London Assembly on Thursday 7 May 2020

The countdown to Election Day begins

100 days to polling day

One hundred days from today - on Thursday the 7th of May 2020 - Londoners go to the polls to elect a Mayor of London and 25 London Assembly Members. [1]

  • London’s population: 8.9 million
  • Registered voters: 5.9 million [2]
  • 740,000 postal voters [2]
  • 3,900 polling stations with 12,000+ staff
  • Possible 7.1m ballot papers to count [3]
  • 3 ballot papers – one for each contest [4]

The Greater London Returning Officer (GLRO), Mary Harpley said:

“When London goes to the polls everyone takes notice.  We look forward to running a fair and efficient democratic process in partnership with the London boroughs, to allow London's 5.9 million voters to have their say on 7 May.”

  • Count Day is Friday 8th May.
  • Constituency declarations to be made at count centres: Olympia, Alexandra Palace, Excel – London Elects Media Officers on site
  • Media centre & declaration of Mayoral & London wide Assembly Member results at City Hall
  • Vote progress on website
  • London Elects running central accreditation for all counts - online accreditation will open soon

Important dates: These dates apply to both the Mayor and the London Assembly.

  • Pre-election period: 23 March 2020
  • Nominations: 23 March – 1 April 2020
  • Candidates announced: 3 April 2020 (tentative) [5]
  • Voting: Thursday 7 May 2020 (polling stations open from 7am to 10pm)
  • Count commences: Friday 8 May 2020 (8am)

The last day to register to vote in the Mayor of London and London Assembly elections is 21 April 2020.

  • Opportunity to film/photograph the e-counting machines - Weds February 26th.
  • First Media briefing at City Hall – Tuesday March the 3rd 2-4pm. General overview.
  • Second Media briefing at City Hall – Monday March 30th 2-4pm. Editorial with Electoral Commission.
  • Third Media briefing at City Hall – Tuesday 28th April 10-12pm. Technical.

For more information please contact the London Elects media office.

London Elects Head of Media:

Alison Bell - 07887 832 918 or 020 7983 4228 – City Hall

[email protected]

Follow us on Twitter @londonelects

Notes to editors

  1. This unique form of local government represents the interests of London and Londoners.
    London has one Mayor and 25 Assembly Members. The Mayor of London is responsible for running the city, from policing and housing to environment and transport.
    The Assembly keeps a check on the Mayor’s work and investigates issues that matter to Londoners.
  2. Approximate figures from 2018 election
  3. Based on a 40% turnout
  4. Mayor; Assembly Constituency and London-wide
  5. Statutory deadline April 1st.
  6. All registered EU voters can vote in this election; regardless of whether settled status has been applied for, or secured.
  7. To find out more, visit:
  8. Link to 2016 results