Keir Starmer will resign as UK Prime Minister within 30 days if leade…

Market overview

If Streeting or another senior Labour figure launches a formal leadership challenge, Starmer's position will become untenable due to the immediate loss of party support. Historical precedent suggests such challenges rarely fail once initiated.

leadership prediction market

Implied probability (Yes)

60%

More leadership markets

• Starmer survives leadership challenge, cabinet reshuffle by September 2027 — 55% Yes
• Labour MPs to trigger leadership challenge within 30 days — 60% Yes
• Labour Party replaces Starmer with Angela Rayner by 2027 — 45% Yes
• Prince Harry meets King Charles III during UK visit — 45% Yes
• Andy Burnham will win a parliamentary seat by 2028 — 60% Yes
• Labour Party removes Starmer as leader by October 2028 — 70% Yes
• Keir Starmer will survive Streeting's challenge by 2028-10-31 — 75% Yes
• Wes Streeting will announce a leadership bid against Keir Starmer by July 2027 — 70% Yes

Browse all leadership markets →