Silver Book Fact
Older American population change between 1980 and 2007
Between 1980 and 2007, the percentage of Americans 65-74 years of age decreased slightly from 7% to 6%, while the percentage of Americans 75 years of age and over increased from 4% to 6%.
Centers for Disease Control and Prevention. Health, United States, 2009. Hyattsville, MD: National Center for Health Statistics; 2009. http://www.cdc.gov/nchs/data/hus/hus09.pdf