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| (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: |
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| 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. |
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