Silver Book Fact
The percentage of noninstitutionalized adults 65 years of age and over with limitation of activity decreased from 39% to 36% between 1997 and 1999 and then remained at 34-35% between 2000 and 2007.
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