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Financial Report of the United States Government

Financial Statements of the United States Government for the Fiscal Years Ended September 30, 2019, and 2018

Statements of Social Insurance and Changes in Social Insurance Amounts

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United States Government
Statements of Changes in Social Insurance Amounts
for the Year Ended September 30, 2019 (Note 22)
(In trillions of dollars) Social Security 1 Medicare HI 1 Medicare SMI 1 Other 2 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 (16.2) (4.7) (33.0) (0.1) (54.0)
Reasons for changes in the NPV during the year:
Changes in valuation period (0.5) (0.2) (1.2) - (1.9)
Changes in demographic data, assumptions, and methods 0.4 - 0.4 - 0.8
Changes in economic data, assumptions, and methods (1.0) - - - (1.0)
Changes in law or policy - - - - -
Changes in methodology and programmatic data 0.5 - - - 0.5
Changes in economic and other health care assumptions - (0.3) (2.7) - (3.0)
Change in projection base - (0.2) (0.3) - (0.5)
Net change in open group measure (0.6) (0.7) (3.8) - (5.1)
Open group measure, end of year (16.8) (5.4) (36.8) (0.1) (59.1)
 
1Amounts represent changes between valuation dates 1/1/2018 and 1/1/2019.
2Includes Railroad Retirement changes between valuation dates 10/1/2017 and 10/1/2018 and Black Lung changes between 9/30/2018 and 9/30/2019.
 
The accompanying notes are an integral part of these financial statements.

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United States Government
Statements of Changes in Social Insurance Amounts
for the Year Ended September 30, 2018 (Note 22)
(In trillions of dollars) Social Security 1 Medicare HI 1 Medicare SMI 1 Other 2 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 (15.4) (3.5) (30.0) (0.1) (49.0)
Reasons for changes in the NPV during the year:
Changes in valuation period (0.6) (0.2) (1.2) - (2.0)
Changes in demographic data, assumptions, and methods 0.1 0.4 0.2 - 0.7
Changes in economic data, assumptions, and methods (0.5) - - - (0.5)
Changes in law or policy - (0.5) (0.5) - (1.0)
Changes in methodology and programmatic data 0.2 - - - 0.2
Changes in economic and other health care assumptions - - (1.5) - (1.5)
Change in projection base - (0.9) - - (0.9)
Net change in open group measure (0.8) (1.2) (3.0) - (5.0)
Open group measure, end of year (16.2) (4.7) (33.0) (0.1) (54.0)
 
1Amounts represent changes between valuation dates 1/1/2017 and 1/1/2018.
2Includes Railroad Retirement changes between valuation dates 10/1/2016 and 10/1/2017 and Black Lung changes between 9/30/2017 and 9/30/2018.
 
The accompanying notes are an integral part of these financial statements.
Previously reported amounts have been adjusted for rounding differences.
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Last modified 05/07/21