There is no political leader of Great Britain.
Great Britain is the larger of the two main islands of The British Isles - there are more than 1000 smaller islands.
Great Britain includes England Scotland and Wales and these, together with The Province of Northern Ireland make up The United Kingdom of Great Britain and Northern Ireland.
The Prime Minister of The United Kingdom is David Cameron.
As of May 10 2010 the political leader of the United Kingdom is David Cameron. His Conservative party won the most seats in the recent election, but did not get enough to give him a clear majority so he is head of a coalition government.
David Cameron.
When
There is no pre-determined limit.
Gordon Brown
Gordon Brown
Gordon Brown
Oliver Cromwell.
Winston Churchill
David Cameron is the current leader
Winston Churchill
Prime Minister.
No, but Harold Wilson was
Great Britain does not have a leader because it is not a country. The head of state of the United Kingdom is Queen Elizabeth II. The current head of government in the UK is David Cameron.