1. Ireland 1,352%
2. United Kingdom 427.6%
3. Netherlands 395.6%
4. Switzerland 390%
5. Belgium 345.6%
6. Denmark 315.2%
7. Sweden 275%
8. Austria 268.9%
9. France 247.2%
10. Portugal 231.5%
11. Hong Kong 218.8%
12. Norway 208.9%
13. Finland 205.7%
14. Germany 189.4%
15. Spain 184.7%
16. Greece 175.3%
17. Italy 154.6%
18. Hungary 124.2%
19. Australia 108.8%
20. United States 95.9%
External debt is a measure of a nation's foreign liabilities, capital plus interest that the government and institutions within a nation's borders must eventually pay. This number not only includes government debt, but also debt owed by corporations and individuals to entities outside their home country.
Below is a different statistic : Central Government Debt-GDP ratio