China's debt tops 300% of GDP, now 15% of global total: IIF

China's total corporate, household and government debt rose to 303% of GDP in the first quarter of 2019, according to the Institute of International Finance (IIF). This is up from 297% in the same period a year earlier and makes up about 15% of all global debt. China's economic growth slowed to a 27-year-low of 6.2% in the second quarter.