Economy of the countries has changed by time. Most of the countries progress is very fast there export is highest so they can attain highest GDP (nominal) .From the last few years united state has world largest country. USA has largest economy of the world. The chart below has represent the world largest GDP (nominal)countries. Data in this chart is found from the international monitory fund.   10. Canada Canada is north American country consisting of 10 province. Pacific ocean in the west [...]