Silver Book Fact
Total population and older population: United States, 1950-2050

Total population and older population: United States, 1950-2050
Centers for Disease Control and Prevention, National Center for Health Statistics. Health, United States, 2005: With chartbook on trends in the health of Americans. Atlanta, GA: Centers for Disease Control and Prevention; 2005. http://www.cdc.gov/nchs/data/hus/hus05.pdf