Keir Starmer resigns as Labour leader, Andy Burnham seen as likely successor

https://www.cnn.com/2026/06/22/world/live-news/keir-starmer-uk-pm

Keir Starmer’s resignation as Labour leader has sent ripples through UK politics, with market participants closely monitoring the implications for the Labour Party’s leadership race. Starmer resigned after losing the confidence of his party following significant electoral losses. This has positioned Andy Burnham, a former Mayor of Greater Manchester and MP for Makerfield, as a likely successor. Burnham’s potential leadership has spurred speculation about his political approach compared to Starmer’s, amid calls for a shift in strategy. Meanwhile, Wes Streeting, a former Health Secretary, has endorsed Burnham, reinforcing the expectation of his ascension to leadership.

Key Takeaways

Starmer’s resignation appears to have increased the likelihood of a Labour leadership election being scheduled by June 30, with market pricing suggesting a 95% probability.

The prospect of Andy Burnham becoming the next UK Prime Minister seems to have gained traction, as indicated by a 98% probability in related markets.