Deputy Leader of the Labour Party (UK) of the Party until a new leader is elected. If a vacancy in the leadership occurs while the Labour Party is in government, then the Cabinet, in consultation with the National Executive Committee of the Labour Party, chooses a new leader, who serves until a new leader is elected. To date, the only Deputy Leaders who have gone on to become the elected leader of the Labour Party are Clement Attlee and Michael Foot. Margaret Beckett briefly served as Labour leader following the unexpected death of John Smith in 1994. Harriet Harman was leader after Gordon Brown resigned in 2010
Labour Party leadership of Jeremy Corbyn 57.6% of affiliated supporters. Corbyn's 40.5% majority was larger than that attained by Tony Blair in 1994. His margin of victory was said to be "the largest mandate ever won by a party leader", though no previous Labour leader had been elected with so little support from their own MPs. Opinion polls of the general public during the first few months of Corbyn's leadership were the lowest personal approval ratings of any Labour leader in the early stages of their leadership. His approval amongst party members, however, was initially strong reaching a net approval of +45 in May 2016, though