China's GDP is expected to exceed that of the United States in 2022, according to a report by Standard Chartered Bank forecasting the global economic outlook in 2030. The report, released on Thursday, said that the success of China's reform holds the key to its economy, which will grow at a rate of 7 percent between 2013 to 2020 and 5.3 percent between 2021 to 2030.

Emerging economies, which account for 38 percent of the world's GDP, will see that share increase to 63 percent in 2030, it added, as the world trade volume will grow fourfold to $75 trillion by 2030. Urbanization and an expanding middle class, particularly in Asia, will be the major engine for the world economy.