That could lead to debtors getting into difficulty with repayments as interest rates rise from the post -- financial crisis lows.
The London Debt Agreement provided West Germany with relief on its post-war debts and tied repayments to the state of the country's economy, in a bid to help it re-integrate with the West.
Indebted property owners, who had bought multiple properties with wafer-thin deposits, fled the country, fearing jail for missed mortgage repayments.
73 billion yuan in 2015, more than double the loss made in 2014, due to a sharp rise in loan repayments, according to a Ministry of Transport annual report last Tuesday.
It means a 60-year-old could take out a 25-year mortgage as long as they prove they can afford the repayments.
But the Chinese may seek loan repayments in other ways.
Men are more prone to ignoring mounting debts and forgetting to pay bills, whereas women chip away at credit card bills with regular repayments, the study found.
German Chancellor Angela Merkel has again rejected proposals to write off part of Greece's debt, but says her government will show flexibility in new talks about how Athens structures its bailout repayments.
Russian companies have $120bn in repayments and interest due on external debt next year, according to the central bank, which estimates that about $70bn of that debt will not be able to be refinanced.
Similarly, Indian companies are borrowing more in dollars without selling rupees forward to hedge repayments.
