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).
Political divisions of the United States
The primary political entity of the United States is the state. Four states—Kentucky, Massachusetts, Pennsylvania, and Virginia—call themselves "commonwealths." The word "commonwealth" in this context refers to the common "wealth", or welfare, of the public. The term has no legal impact.