Gross domestic product (GDP) at current prices of China and the U.S. 2005-2035

Between 2005 and 2020, the GDP of China grew from 2.3 trillion to 14.9 trillion U.S. dollars. During the same time period the GDP of the United States grew from 13 trillion to 20.8 trillion dollars. It is estimated that, by 2030, China will overtake the U.S. as the world's largest economy, with a GDP of 33.7 trillion dollars, compared to 30.5 trillion dollars; this margin of more than three trillion is predicted to increase to almost 13 trillion over the subsequent five year period.