Over the last ten years, the combination of higher tuition fees, more student enrollment, and greater reliance on loans has caused the stock of outstanding student debt nearly to triple. It now stands at well over $1.2 trillion, more than 60% of which is held by the bottom quartile of households (those with a net worth of less than $8,500).
过去十年来，学费的提高、学生人数的增加以及对贷款依赖性的增长导致学生债务存量翻了近三倍。如今学生债务存量高达1.2万亿美元，其中超过60%由收入最低的四分之一家庭（即净财富少于8,500美元的家庭）承担