MONTHLY STATEMENT OF THE PUBLIC DEBT
OF THE UNITED STATES
MAY 31, 2007

TABLE I -- SUMMARY OF TREASURY SECURITIES OUTSTANDING, MAY 31, 2007
(Millions of dollars)
                                              Amount Outstanding
Title                                         Debt Held             Intragovernmental         Totals
                                              By the Public         Holdings
Marketable:
  Bills.......................................          915,490                     3,589                  919,079
  Notes.......................................        2,461,180                     1,797                2,462,977
  Bonds.......................................          547,151                       105                  547,257
  Treasury Inflation-Protected Securities.....          434,820                       140                  434,960
  Federal Financing Bank  1  .................                0                    14,000                   14,000
Total Marketable  a...........................        4,358,641                    19,632 2              4,378,273
Nonmarketable:
  Domestic Series.............................           29,995                         0                   29,995
  Foreign Series..............................            2,986                         0                    2,986
  R.E.A. Series...............................                1                         0                        1
  State and Local Government Series...........          300,303                         0                  300,303
  United States Savings Securities............          199,168                         0                  199,168
  Government Account Series...................           83,802                 3,828,489                3,912,291
  Other.......................................            5,975                         0                    5,975
Total Nonmarketable  b........................          622,230                 3,828,489                4,450,720
Total Public Debt Outstanding.................        4,980,871                 3,848,121                8,828,992
TABLE II -- STATUTORY DEBT LIMIT, MAY 31, 2007
(Millions of dollars)
                                              Amount Outstanding
Title                                         Debt Held             Intragovernmental         Totals
                                                 By the Public 19   Holdings
Debt Subject to Limit: 19
  Public Debt Outstanding.....................        4,980,871                 3,848,121                8,828,992
  Less Amounts Not Subject to Limit:
    Other Debt Not Subject to Limit...........              503                         0                      503
    Unamortized Discount  3...................           31,748                    41,920                   73,668
    Federal Financing Bank  1     ............                0                    14,000                   14,000
  Total Public Debt Subject to Limit..........        4,948,620                 3,792,201                8,740,822
  Other Debt Subject to Limit:
    Guaranteed Debt of Government Agencies  4                70                         0                       70
  Total Public Debt Subject to Limit..........        4,948,691                 3,792,201                8,740,892
  Statutory Debt Limit  5.....................................................................           8,965,000
  Balance of Statutory Debt Limit.............................................................             224,108
COMPILED AND PUBLISHED BY
THE BUREAU OF THE PUBLIC DEBT
www.TreasuryDirect.gov