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).
List of modern great powers
The Polish-Lithuanian Commonwealth was one of the largest, most powerful and most populous countries in 16th, 17th, and 18th century Europe. Its political structure was formed in 1569 by the Union of Lublin, which united the Kingdom of Poland and the Grand Duchy of Lithuania, and lasted in this form until the adoption of the Constitution of May 3, 1791. In the 16th century, the area of the Commonwealth reached almost 1 million km., with a population of 11 million. Poland-Lithuania was a political, military and economic power.