The Hospital Insurance (HI) Trust Fund (Medicare) is expected to become insolvent by 2019; The Social Security trust fund, by 2041.

Treasury Secretary Henry M. Paulson, Jr. Statement on the 2007 Social Security and Medicare Trust Fund Reports: " . . . to make the system whole on a permanent basis, the combined payroll tax rate would have to be raised immediately by about one-third from 12.4 percent to about 15.9 percent, or benefits reduced immediately by 22 percent."

• Treasury Secretary Henry M. Paulson, Jr. Statement on the 2007 Social Security and Medicare Trust Fund Reports. United Stats Department of the Treasury, Press Release HP-367, 23-Apr-07.
• Summary of Medicare and Social Security Reports.

• 2007 Annual Report of the Boards of Trustees of the Federal Hospital Insurance and Federal Supplementary Medical Insurance Trust Funds.

• The 2007 Annual Report of the Board of Trustees of the Federal Old-Age and Survivors Insurance and Federal Disability Insurance Trust Funds.