Thirty ninth G8 Summit was held at Lough Erne in Northern Ireland from 17 May - 18 June 2013. The two day summit was presided over by the David Cameron, the Prime Minister of United Kingdom.

The two day summit was attended by the leaders from G8 Nations namely Canada, France, Germany, Italy, Japan, Russia, the USA and UK. Jose Manuel Barroso, the President of the European Commission, and Herman Van Rompuy, the President of the European Council also were a part of the meet.

The Lough Erne Declaration from the G8 Summit 2013 sets out agreed principles for the future. The declaration focused on private enterprise that would drive growth, help in reduction of poverty and creation of jobs and prosperity for people around the world. It also sets out that governments have a special responsibility to make proper rules and promote good governance. In addition, fair taxes, increased transparency and open trade are vital drivers of this. The G8 leaders will make a real difference by acting on the principles in the declaration.

The UK assumed the one-year Presidency of the G8 in January 2013 and thus David Cameron, the Prime Minister of United Kingdom was the presiding leader of the 39th Summit.