Top Three Countries By Economic Dominance: History, Present & Future

China can be in 2030 economically almost as big as the United States was in 1970, as a share of global economic power (which consists of GDP, Trade and net capital exports). The top 3 for 1870 and 2010 are also given. The United States is the only country that is listed three times. China, Germany and Japan are all listed twice.

The Economist