Miéville has been a member of the International Socialist Organization (US) and, until 13 March 2013, was also a member of the Socialist Workers Party (UK). He stood for the House of Commons of the United Kingdom in the 2001 general election as a candidate for the Socialist Alliance. He did not win. He got 459 votes, or 1.2%, in Regent's Park and Kensington North, a Labour constituency.