As of June 2, 2008
Debt Held by the Public: $5,299,425,239,865.48
Inter-Governmental Holdings: $4,096,913,314,130.09
Total National Debt: $9,396,338,553,995.57
Nine trillion, three hundred ninety-six billion, three hundred thirty-eight million, five hundred fifty-three thousand, nine hundred ninety-five dollars and fifty-seven cents.
http://www.treasurydirect.gov/NP/BPDLogin?application=np
