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).
Charter of the Commonwealth
The Charter of the Commonwealth is a charter setting out the values of the Commonwealth of Nations as well as the commitment of its 53 member states to equal rights, democracy, and so on. It was proposed at the 2011 CHOGM in Perth, Australia, adopted on 19 December 2012 and officially signed by Queen Elizabeth II at Marlborough House, London, on the Commonwealth Day on 11 March 2013.