Statements of Changes in Social Insurance Amounts
United States Government
Statement of Changes in Social Insurance Amounts
for the Year Ended September 30, 2024 (Note 25)
(In trillions of dollars) | Social Security 1 | Medicare HI 1 | Medicare SMI 1,3 | Other 2 | Total |
|---|---|---|---|---|---|
| NPV of future revenue less future expenditures for current and future participants (open group) over the next 75 years, beginning of the year | (25.2) | (4.6) | (48.5) | (0.1) | (78.4) |
| Reasons for changes in the NPV during the year: | |||||
| Changes in valuation period | (0.8) | (0.1) | (1.4) | - | (2.3) |
| Changes in demographic data, assumptions, and methods | (1.2) | (0.7) | (0.4) | - | (2.3) |
| Changes in economic data, assumptions, and methods | 0.4 | - | - | - | 0.4 |
| Changes in law or policy | - | - | - | - | - |
| Changes in methodology and programmatic data | 1.4 | - | - | - | 1.4 |
| Changes in economic and health care assumptions | - | 2.1 | 0.6 | - | 2.7 |
| Change in projection base | - | 0.7 | (0.5) | - | 0.2 |
| Net change in open group measure | (0.2) | 2.0 | (1.7) | - | 0.1 |
| Open group measure, end of year | (25.4) | (2.6) | (50.2) | (0.1) | (78.3) |
| 1Amounts represent changes between valuation dates 1/1/2023 and 1/1/2024. | |||||
| 2Includes Railroad Retirement changes between valuation dates 10/1/2022 and 10/1/2023 and Black Lung changes between 9/30/2023 and and 9/30/2024. | |||||
| 3Amounts shown exclude General Fund transfers reported by CMS for Medicare's Parts B and D. | |||||
| The accompanying notes are an integral part of these financial statements. | |||||
United States Government
Statement of Changes in Social Insurance Amounts
for the Year Ended September 30, 2023 (Note 25)
(In trillions of dollars) | Social Security 1 | Medicare HI 1 | Medicare SMI 1,3 | Other 2 | Total |
|---|---|---|---|---|---|
| NPV of future revenue less future expenditures for current and future participants (open group) over the next 75 years, beginning of the year | (23.3) | (5.0) | (47.5) | (0.1) | (75.9) |
| Reasons for changes in the NPV during the year: | |||||
| Changes in valuation period | (0.7) | (0.2) | (1.1) | - | (2.0) |
| Changes in demographic data, assumptions, and methods | (0.1) | (0.3) | 0.2 | - | (0.2) |
| Changes in economic data, assumptions, and methods | (0.8) | - | - | - | (0.8) |
| Changes in law or policy | - | - | 1.1 | - | 1.1 |
| Changes in methodology and programmatic data | (0.3) | - | - | - | (0.3) |
| Changes in economic and health care assumptions | - | (0.3) | (2.3) | - | (2.6) |
| Change in projection base | - | 1.2 | 1.1 | - | 2.3 |
| Net change in open group measure | (1.9) | 0.4 | (1.0) | - | (2.5) |
| Open group measure, end of year | (25.2) | (4.6) | (48.5) | (0.1) | (78.4) |
| 1 Amounts represent changes between valuation dates 1/1/2022 and 1/1/2023. | |||||
| 2 Includes Railroad Retirement changes between valuation dates 10/1/2021 and 10/1/2022 and Black Lung changes between 9/30/2022 and 9/30/2023. | |||||
| 3 Amounts shown exclude General Fund transfers reported by CMS for Medicare's Parts B and D. | |||||
| The accompanying notes are an integral part of these financial statements. | |||||