Outgoing British Prime Minister Keir Starmer has warned his likely successor not to focus solely on domestic issues, saying the next leader will have to deal with an increasingly unstable international environment alongside challenges at home.
In his first interview since announcing his resignation on June 22, Starmer said Britain’s next prime minister would face the same global crises that shaped his own time in office. The interview, released by the BBC on Saturday, comes as the governing Labour Party prepares to choose a new leader.
Former Manchester mayor Andy Burnham is currently the only declared candidate to replace Starmer and could take office by the middle of July.
Starmer said international events and domestic concerns are closely connected, making it impossible for any prime minister to separate the two.
“Whoever’s my successor is going to face the same global conflict,” Starmer said. “We’re in a more dangerous and volatile world than we’ve been in for probably most of my lifetime. That’s not just a phrase, that’s reality.”
Burnham’s supporters have argued that his leadership should place greater emphasis on domestic priorities, particularly the rising cost of living and wider economic issues affecting households across Britain. Burnham has also identified decentralising government powers as one of his main priorities if elected Labour leader.
Despite that focus, Burnham has also addressed foreign policy in recent days. During a question-and-answer session on social media on Friday, he pledged to continue Britain’s support for Ukraine, saying he would back Kyiv “100 percent” in the same way as Starmer.
Responding to suggestions that his successor could spend less time on diplomacy, Starmer rejected the idea, arguing that international developments have a direct impact on everyday life in Britain.
“There’s often this discussion about the right balance between dealing with international affairs and dealing with domestic affairs. They’re one and the same thing,” he said.
“If you’re prime minister and you care what bills are going to be like in any household around the country, you have to care about finding a lasting solution to the situation in Ukraine, and you have to care about what happens in the Strait of Hormuz.”
Starmer also dismissed suggestions of any personal rivalry with Burnham, saying he had “never had any personal animosity” toward the former Manchester mayor. He added that he wanted the next Labour government to succeed and would offer his full support during the transition.
The outgoing prime minister confirmed he intends to remain a Member of Parliament until the next general election but said he would avoid publicly advising the new party leader.
“I’ll be keeping my mouth shut, rather than giving constant advice to my successor about what they should be doing,” he said.
Reflecting on his decision to step down, Starmer said it became a deeply personal choice made after discussions with his family during a stay at Chequers, the prime minister’s official country residence. He said the time together helped him reach his final decision to leave office after leading Labour to victory in the 2024 general election.

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