""According to the U.S. Treasury Department, at the end of August 2014, more than a third of the debt was owned by foreign countries (34.4%). The largest foreign holders of U.S. debt were Mainland China (7.2%) and Japan (7.0%).

The percentage of debt owned by countries that are less friendly to America is about 10%. This includes China, several oil exporters (Ecuador, Venezuela, Iran, Iraq, Libya, etc.), and a few others. ""