China is on track to overtake Japan as the world's second-largest economy after the United States. Figures released today show, Japan's gross domestic product, totaled 1.29 trillion dollar for the three months ending in June, while China's official figure for the same period was 1.34 trillion dollar. While Eonomist Frederic Neumann at HSBC in Hong Kong said China is forecast to overtake Japan by the end of the year, making China the world's No. 2 economy. The International Monetary Fund expects China's output to reach 5.4 trillion dollar by the end of 2010. By comparison, it estimates Japan's GDP at 5.3 trillion dollar.