Truth in Accounting's Debt Clock consists of the "U.S. Published National Debt" and "The Truth."
US Published National Debt
U.S. Published National Debt consists of:
debt held by the public
intragovernmental holdings, including debt held by Social Security and Medicare trust funds
It does not include total unfunded Social Security and Medicare promises.
This amount is updated periodically to coincide to with The Debt to the Penny
"The Truth" represents:
assets and liabilities reported in the Financial Report of the U.S. Government
unfunded Social Security and Medicare promises, based on assumptions