All of the money borrowed by the united states government over the years and still outstanding is called the national:

the national or federal debt consists of all the money borrowed over the years by the national government that is still outstanding. The national debt is the public and intragovernmental debt owed by the federal government. Two-thirds of the U. S. debt is the Treasury bills, notes and bonds owned by to the public. They include investors, the Federal Reserve, and foreign governments.