On April 30, data released by the United Nations International Comparison Program showed China’s estimated 2011 purchasing power parity (PPP) exchange rate was twenty percent higher than was estimated in 2005. What does this mean? That China’s economy could become the largest in the world by the end of 2014, unseating the ecomomy of the United States some five years ahead of earlier predictions by the International Monetary Fund.—The Editors

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