tsquare, I'm almost sure that the difference is that the table you picked is only counting the "public" portion of the debt and is not counting the overall gross debt. That separation of the debt into 2 pieces was accounting shenanigans that started under Clinton (I think) and carries through to today. United States public debt - Wikipedia, the free encyclopedia The part of the couric article that I quoted doesn't include the 2009 budget. It was the debt numbers as of Sept 2008.