巨额国债确实是个问题，不知道哪个总统上去能还掉一些。

按国债和GDP的比率，日本一贯是最多的。

In 2016, United States public debt-to-GDP ratio was estimated at 71.8%[2] or 104.5%, including external debt.[3] The level of public debt in Japan 2013 was 243.2% of GDP, in China 22.4% and in India 66.7%, according to the IMF,[4] while the public debt-to-GDP ratio in 2013 was at 76.9% of GDP in Germany, 87.2% in the United Kingdom, 92.2% in France and 127.9% in Italy, according to Eurostat.[5]