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
The Commonwealth of Nations—formerly the British Commonwealth—is a voluntary association or confederation of 53 independent sovereign states, most of which were once part of the British Empire. The Commonwealth's membership includes both republics and monarchies. The Head of the Commonwealth is Queen Elizabeth II, who also reigns as monarch directly in the 16 member states known as Commonwealth realms.