CitationRogers, Richard G. & Hummer, Robert A. (2002). Longevity: Social Aspects. In Ekerdt, David J. (Ed.), Encyclopedia of Aging (pp. 820-6). New York: Macmillan Reference USA.
AbstractThe population of the United States enjoys one of the highest life expectancies in the world, and throughout the twentieth century the life expectancy of Americans increased remarkably. When the twentieth century began, U.S. newborns could expect to live an average of 47 years (see Figure 1). By 1960, that number had risen to 70 years, and it had increased to 76.7 years by the year 1998 (Anderson; Murphy).
Reference TypeBook Chapter
Book TitleEncyclopedia of Aging
Author(s)Rogers, Richard G.
Hummer, Robert A.