http://www.tradingeconomics.com/coun...nt-debt-to-gdp
In aus nissan (a japanese country) was using japanese 1% loans to offer 2% car loans in aus lol coz the cash rate in japan is so low to try help the economy.
If you pass 100% gdp essentially your living outside your means as a nation 100+gdp means you literally cannot afford to pay your debts off with what you as collect nation earns.