If Congress doesn't raise the debt ceiling soon, the U.S. government won't be able to pay its debts. Here's who the government owes money to — all the holders of U.S. Treasury debt, broken down by category and by how much government debt they hold.
For more, see our story: What A U.S. Default Would Mean For Pensions, China And Social Security
Update: There were two misspellings in the original version of the graphic. Thanks to the commenters who pointed this out.