Statements of Changes in Social Insurance Amounts
| United States Government Statement of Changes in Social Insurance Amounts for the Year Ended September 30, 2021 (Note 25) | |||||
|---|---|---|---|---|---|
| (In trillions of dollars) | Social Security 1 | Medicare HI 1 | Medicare SMI 1 | Other 2 | Total |
| NPV of future revenue less future expenditures for current and future participants (the "open group") over the next 75 years, beginning of the year | (19.7) | (4.8) | (40.9) | (0.1) | (65.5) |
| Reasons for changes in the NPV during the year: | |||||
| Changes in valuation period | (0.7) | (0.1) | (1.4) | - | (2.2) |
| Changes in demographic data, assumptions, and methods | 0.2 | 0.7 | 0.6 | - | 1.5 |
| Changes in economic data, assumptions, and methods | (1.2) | - | - | - | (1.2) |
| Changes in law or policy | (0.1) | - | (0.1) | - | (0.2) |
| Changes in methodology and programmatic data | (1.2) | - | - | - | (1.2) |
| Changes in economic and other health care assumptions | - | (1.0) | (2.8) | - | (3.8) |
| Change in projection base | - | 0.2 | 1.4 | - | 1.6 |
| Net change in open group measure | (3.0) | (0.2) | (2.3) | - | (5.5) |
| Open group measure, end of year | (22.7) | (5.0) | (43.2) | (0.1) | (71.0) |
| 1Amounts represent changes between valuation dates 1/1/2020 and 1/1/2021. | |||||
| 2Includes Railroad Retirement changes between valuation dates 10/1/2019 and 10/1/2020 and Black Lung changes between 9/30/2020 and 9/30/2021. | |||||
| 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, 2020 (Note 25) | |||||
|---|---|---|---|---|---|
| (In trillions of dollars) | Social Security 1 | Medicare HI 1 | Medicare SMI 1 | Other 2 | Total |
| NPV of future revenue less future expenditures for current and future participants (the "open group") over the next 75 years, beginning of the year | (16.8) | (5.4) | (36.8) | (0.1) | (59.1) |
| Reasons for changes in the NPV during the year: | |||||
| Changes in valuation period | (0.6) | (0.2) | (1.4) | - | (2.2) |
| Changes in demographic data, assumptions, and methods | (0.4) | 2.6 | 1.1 | - | 3.3 |
| Changes in economic data, assumptions, and methods | (1.8) | - | - | - | (1.8) |
| Changes in law or policy | (0.3) | (0.5) | 0.2 | - | (0.6) |
| Changes in methodology and programmatic data | 0.2 | - | - | - | 0.2 |
| Changes in economic and other health care assumptions | - | (1.7) | (3.7) | - | (5.4) |
| Change in projection base | - | 0.4 | (0.3) | - | 0.1 |
| Net change in open group measure | (2.9) | 0.6 | (4.1) | - | (6.4) |
| Open group measure, end of year | (19.7) | (4.8) | (40.9) | (0.1) | (65.5) |
| 1Amounts represent changes between valuation dates 1/1/2019 and 1/1/2020. | |||||
| 2Includes Railroad Retirement changes between valuation dates 10/1/2018 and 10/1/2019 and Black Lung changes between 9/30/2019 and 9/30/2020. | |||||
| The accompanying notes are an integral part of these financial statements. | |||||