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

TABLE I -- SUMMARY OF TREASURY SECURITIES OUTSTANDING, DECEMBER 31, 2007
(Millions of dollars)
                                              Amount Outstanding
Title                                         Debt Held             Intragovernmental         Totals
                                              By the Public         Holdings
Marketable:
  Bills.......................................          999,547                     4,327                1,003,875
  Notes.......................................        2,487,368                     1,119                2,488,487
  Bonds.......................................          558,447                        91                  558,538
  Treasury Inflation-Protected Securities.....          471,430                       256                  471,686
  Federal Financing Bank  1  .................                0                    14,000                   14,000
Total Marketable  a...........................        4,516,792                    19,793 2              4,536,585
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...........          293,239                         0                  293,239
  United States Savings Securities............          196,452                         0                  196,452
  Government Account Series...................           91,189                 4,073,077                4,164,266
  Other.......................................            5,648                         0                    5,648
Total Nonmarketable  b........................          619,510                 4,073,077                4,692,587
Total Public Debt Outstanding.................        5,136,303                 4,092,870                9,229,173
TABLE II -- STATUTORY DEBT LIMIT, DECEMBER 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.....................        5,136,303                 4,092,870                9,229,173
  Less Amounts Not Subject to Limit:
    Other Debt Not Subject to Limit...........              500                         0                      500
    Unamortized Discount  3...................           29,721                    40,304                   70,025
    Federal Financing Bank  1     ............                0                    14,000                   14,000
  Total Public Debt Subject to Limit..........        5,106,081                 4,038,566                9,144,647
  Other Debt Subject to Limit:
    Guaranteed Debt of Government Agencies  4                68                         0                       68
  Total Public Debt Subject to Limit..........        5,106,149                 4,038,566                9,144,715
  Statutory Debt Limit  5.....................................................................           9,815,000
  Balance of Statutory Debt Limit.............................................................             670,285
COMPILED AND PUBLISHED BY
THE BUREAU OF THE PUBLIC DEBT
www.TreasuryDirect.gov