Factbox – How will Conservative Party choose May’s successor?

Britain's Prime Minister Theresa May is seen outside Downing Street, as uncertainty over Brexit continues, in London, Britain May 15, 2019. REUTERS/Hannah Mckay

(Reuters) – British Prime Minister Theresa May has said she will stand down once her Brexit deal with Brussels is approved by parliament and the government has said it hopes to do this by the time lawmakers break for the summer in late July.

Lawmakers are due to vote on legislation to ratify May’s Brexit deal in early June. But her deal has already been rejected three times and if this bill is voted down too, it is likely to spell the end of May’s premiership.

A national election is not automatically triggered if she stands down, instead it is up to her Conservative Party to choose her replacement as party leader and prime minister.

Here is how that process, which is overseen by the party’s 1922 Committee, is likely to work:


Candidates putting themselves forward for the leadership must be nominated by two other Conservative lawmakers. A large number of Conservatives appear to be jostling to replace May so there could be a wide field of candidates.


Conservatives lawmakers then hold several rounds of votes to whittle down the number of candidates. Each time they are asked to vote for their favoured candidate in a secret ballot, and the person with the fewest votes is eliminated.

This process is repeated until there are two candidates remaining. Votes previously have been held on Tuesdays and Thursdays.


The final two candidates are then put to a postal ballot of the wider Conservative Party membership, with the winner named the new leader. The party had 124,000 members as of March 2018.

There is no fixed time period for this. At the last leadership contest in 2016, this vote was due to last for around nine weeks but did not go ahead after May’s opponent, Andrea Leadsom, pulled out of the race. At the previous contest in 2005, the process took around a month.


May would be expected to stay on as prime minister until her successor was chosen although some local media have suggested a caretaker leader could be appointed in the interim.


If May leaves before a Brexit deal has been approved, it is possible the 1922 Committee could propose a quicker contest in order to get a new leader in place as soon as possible to negotiate with the EU ahead of Britain’s Oct. 31 departure.

Lawmakers could also seek to coalesce around a smaller number of candidates in order to make the process of choosing the final two to put to the membership quicker.

(Reporting by Kylie MacLellan; Editing by Mark Heinrich)

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