3 Restructure Medicare & Medicaid: Social Factors— USA is Aging...13% of Americans Over 65 Years Old, Up from 5% in 1930 Older Population (65+) as Percent of Total Population, 1930 / 1970 / 2010E Total Population 310MM Total Population 203MM Total Population 123MM Age 65+ 5% 1930 1970 2010E # of Elderly # of Elderly #