The size of South Korea's household debt... and the *pace of increase in debt to GDP are both at a risky level.<br />This is according to data by Oxford Economics on 28 major economies... which show.... South Korea's household debt to GDP ratio has ranked third... reaching near 100 percent.<br />It's only behind Australia whose ratio is above 1-hundred-20 percent.... and Canada whose ratio is also around one-hundred percent.<br />South Korea's ballooning household debt added a whopping 15 percent in the last five years... ranking second only to China. <br />