Global Debt Has Risen by $57 Trillion Since the Financial Crisis

http://www.nytimes.com/2015/02/06/upshot/global-debt-has-risen-by-57-trillion-since-the-financial-crisis-heres-why-that-is-scary.html?_r=0

http://www.washingtonsblog.com/2015/03/debt.html

http://www.theguardian.com/news/datablog/2015/feb/05/global-debt-has-grown-by-57-trillion-in-seven-years-following-the-financial-crisis