Commonwealth of Nations
The land area of the Commonwealth nations is about , or about 21% of the total world land area. The three largest Commonwealth nations by area are Canada at , Australia at , and India at . In 2016, the Commonwealth members had a combined gross domestic product of over $9 trillion, 78% of which is accounted for by the four largest economies: United Kingdom ($2.629 trillion), India ($2.256 trillion), Canada ($1.529 trillion), and Australia ($1.258 trillion).
Commonwealth of Nations
The Foundation was established in 1965 by the Heads of Government. Admittance is open to all members of the Commonwealth, and in December 2008, stood at 46 out of the 53 member countries. Associate Membership, which is open to associated states or overseas territories of member governments, has been granted to Gibraltar. 2005 saw celebrations for the Foundation's 40th Anniversary. The Foundation is headquartered in Marlborough House, Pall Mall, London. Regular liaison and co-operation between the Secretariat and the Foundation is in place. The Foundation continues to serve the broad purposes for which it was established as written in the Memorandum of Understanding.