National Debt Liability $516,348 per U.S. householdUSA TODAY | 05/29/07
Bottom line: Taxpayers are now on the hook for a record $59.1 trillion in liabilities, a 2.3% increase from 2006.That amount is equal to $516,348 for every U.S. household. By comparison, U.S. households owe an average of $112,043 for mortgages, car loans, credit cards and all other debt combined -Dennis Cauchon/USA Today
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http://www.usatoday.com/printedition/news/20070529/1a_lede29.art.htm