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
Leader of the Labour Party (UK) and 2005, and Harold Wilson, who won three general elections out of five contested, in 1964, 1966 and October 1974. Unlike other British political party leaders, the Labour Leader does not have the power to dismiss or appoint their Deputy. Both the Leader and Deputy Leader are elected by an Alternative Vote system. From 1980 to 2014 an electoral college was used, with a third of the votes allocated to the Party's MPs and MEPs, a third to individual members of the Labour Party, and a third to individual members of all affiliated organisations, including socialist societies and trade unions.