> On the purchasing power basis, China is overtaking the US right about now and becoming the world’s biggest economy.
We’ve just gone past that cross-over on the chart below, according to the IMF. By the end of 2014, China will make up 16.48% of the world’s purchasing-power adjusted GDP (or $17.632 trillion), and the US will make up just 16.28% (or $17.416 trillion):