2011   Financial Report of the United States Government

Financial Statements

Changes in Social Insurance Amounts

United States Government
Statement of Changes in Social Insurance Amounts
for the Year Ended September 30, 2011 (Note 26)
(In billions of dollars)
Social
Securtiy
Medicare
HI
Medicare
SMI
Other (e.g.
Railroad
Retirement)
Total
 
Net present value (NPV) of future revenue less future expenditures for current and future participants (the “open group”) over the next 75 years, beginning of the year (7,947) (2,683) (20,130) (97) (30,857)
Reasons for changes in the NPV during
    the year:
  Changes in valuation period (436) (112) (968) (2) (1,518)
  Changes in demographic data and
    assumptions
(688) (112) (59) (0) (859)
  Changes in economic data and assumptions(143)0-(2)(145)
  Changes in law or policy - - (14) - (14)
  Changes in methodology and
    programmatic data
56---56
  Changes in economic and other
    healthcare assumptions
- 185 (648) - (31)
Change in projection base - (531) 500 - (31)
Net change in open group measure (1,211) (570) (1,189) (4) (2,974)
Open group measure, end of year (9,157) (3,252) (21,320) (101) (33,830)
Totals may not equal the sum of components due to rounding.

The accompanying notes are an integral part of these financial statements.

Last Updated:  February 16, 2012