Silver Book Fact
Non-institutionalized Medicare beneficiaries age 65 and older spent an average of $3,455 (22% of their income) on healthcare in 2003.
Caplan C, Brangan N. Out-of-Pocket Spending on Health Care by Medicare Beneficiaries Age 65 and Older in 2003. Washington, DC: AARP; 2004. http://www.aarp.org/research/medicare/outofpocket/aresearch-import-912-DD101.html