There have been very few (if any) Communist MPs in Britain.
There is currently a coalition government in Britain, with the Conservative Party and the Liberal Democrats party in government together. The Prime Minister is David Cameron, who is the leader of the Conservative Party, which is the larger of the two parties at present.
David Cameron is the British Prime Minister and Ed Miliband is the leader of the Labour party, the current main opposition party.
Mr. John Key of the National Party is the prime minister at the moment. (The National Party is the more right wing party - like the Republican in America or Conservative in Britain.)
The prime minister must be selected as the leader of the majority in Parliament. The current prime minister is David Cameron leader of the Conservative party.
Prime Minister
If you are asking about Britain, the Conservative Lib/Dem coalition is in power with David Cameron as Prime Minister. The Labour party is in opposition led by Ed Milliband.
The Labour Party, with Tony Blair as Prime Minister.
David Cameron is Prime Minister and leader of the Conservative Party.
Henry John Temple was Prime Minister of Britain in 1861. He served as Prime Minister of Britain from 1859 to 1865.
The Labour Party with Clement Attlee as Prime Minister.
The United Kingdom does not have a President. The Prime Minister is a party leader in the British Parliament, and has the executive powers of a President - but not the status, as this is held by the Queen.
In 2010, there were two Prime Ministers of Great Britain: Gordon Brown and David Cameron. Gordon Brown served as Prime Minister from 2007 to 2010 as the leader of the Labour Party. David Cameron then took over as the leader of the Conservative Party and served as Prime Minister from 2010 to 2016.