The Total Debt of the U.S. Government, Counting the Unfunded Liabilities of Medicare and Social Security
The testimomy of Dr. Kurt Smetters of the Wharton School of Finance was presented to the Committee on the Budget of the House of Representatives (Feb. 17, 2005).
It included this table.
As of 2009, the unfunded liabilities plus the deficit totalled $76.5 trillion.
