China 'overtakes U.S. as the the world's largest economy': IMF says economy is now worth £11 trillion as America falls into second place for the first time since 1872
Figures show the Chinese economy is worth £11trillion, the US £10.8trillion
The IMF estimates China's economy will be worth £16.7trillion in 2019
The US has been the global leader since it overtook Britain in 1872