This graph ends in 2005 – PWC has apparently projected that China will overtake the US in GDP by 2020. With a growth rate north of 8% lately, India will eventually overtake the US as well, rolling the clock back to the year 1600 or thereabouts. This makes sense – both India and China dominated in pre-Industrial Revolution GDP owing to their large population base, and they are now simply catching up as they rapidly industrialize.

Here is the original pdf containing the referenced graph, as presented to the International Conference of Commercial Bank Economists.