Keir Starmer became Prime Minister of the United Kingdom on 5 July 2024, following Labour’s landslide victory in the general election held on 4 July 2024.

Key date: when he took office

  • Sir Keir Starmer was formally appointed Prime Minister by King Charles III on 5 July 2024, after Labour won a large majority in the House of Commons.
  • This appointment made him the first Labour Prime Minister since Gordon Brown left office in 2010, ending 14 years of Conservative-led government.

Quick political context

  • Starmer had been leader of the Labour Party since 2020 and Leader of the Opposition until the 2024 election result allowed him to form a government.
  • His premiership started immediately after Rishi Sunak’s, with the transition marked by the traditional audience at Buckingham Palace where the monarch invites the new leader to form a government.

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