Medicare: History of Insolvency Projections

Patricia A. Davis
Specialist in Health Care Financing

Medicare is the nation’s health insurance program for persons age 65 and older and certain

disabled persons. Medicare consists of four distinct parts: Part A (Hospital Insurance, or HI);

Part B (Supplementary Medical Insurance, or SMI); Part C (Medicare Advantage, or MA); and

Part D (the outpatient prescription drug benefit). The Part A program is financed primarily

through payroll taxes levied on current workers and their employers; these are credited to the HI

trust fund. The Part B program is financed through a combination of monthly premiums paid by

current enrollees and general revenues. Income from these sources is credited to the SMI trust

fund. As an alternative, beneficiaries can choose to receive all their Medicare services through

private health plans under the MA program; payment is made on their behalf in appropriate parts

from the HI and SMI trust funds. The Part D drug benefit is funded through a separate account in

the SMI trust fund and is financed through general revenues, state contributions, and beneficiary

premiums. The HI and SMI trust funds are overseen by a board of trustees that makes an annual

report to Congress concerning the financial status of the funds.

Almost from its inception, the HI trust fund has faced a projected shortfall. The insolvency date

has been postponed a number of times, primarily due to legislative changes that have had the

effect of restraining growth in program spending. The 2012 Medicare trustees report projects that,

under intermediate assumptions, the HI trust fund will become insolvent in 2024, the same as

projected in the 2011 report, but five years earlier than estimated by the 2010 report. This report

is a supplement to CRS Report R41436, Medicare Financing, which discusses the findings from

the 2012 trustees report. Both reports will be updated upon receipt of the trustees 2013 report.

Date of Report: June 11, 2012
Number of Pages: 15
Order Number: RS20946
Price: $29.95

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