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 Commonwealth of Nations countries by GDP (PPP)
The table below shows the latest PPP and PPP per capita data for Commonwealth countries and territories of the member countries. Most figures (including for the world) are 2017 data from the International Monetary Fund, and are shown in international dollars. Other figures are estimates from "The World Factbook" of the Central Intelligence Agency (for GDP and GDP per capita), and are noted beside the figures along with the year of estimate.