The Prime Minister is head of the UK government and is responsible for its policies and decisions.
He or she appoints government officials, such as members of the Cabinet.
He or she is active in the House of Commons, often participating in debates, answering questions from fellow MPs, and making formal statements.
The Past Six Prime Ministers:
Theresa May 2016 – Conservative Party
David Cameron 2010-2016 – Conservative Party
Gordon Brown 2007-2010 – Labour Party
Tony Blair 1997-2007 – Labour Party
John Major 1990-1997 – Conservative Party
Margaret Thatcher 1979-1990 – Conservative Party