Hamilton, Gary. 1990. “Patriarchy, Patrimonialism, and Filial Piety: A Comparison of China and Western Europe.” British Journal of Sociology 41:77–104.
Hashimoto, Akiko. 1996. The Gift of Generations: Japanese and American Perspectives on Aging and the Social Contract . New York: Cambridge University Press.
Hobbs, Frank. 1994. “The Elderly Population.” Population Profile of the United States . Retrieved January 28, 2012 ( (External Link) ).
Hsu, Francis. 1971. “Filial Piety in Japan and China: Borrowing, Variation and Significance.” Journal of Comparative Family Studies 2:67–74.
Lee, Mary. 2009. “Trends in Global Population Growth.” Research Starters Sociology: Academic Topic Overview . Retrieved January 28, 2012 from ( (External Link) ).
Levy, Becca R., Martin D. Slade, Suzanne R. Kunkel, and Stanislav V. Kasl, 2002. “Longevity Increased by Positive Self-perceptions of Aging.” Journal of Personality and Social Psychology 83(2):261–270.
Logan, J.R., R. Ward, and G. Spitze. 1992. “As Old as You Feel: Age Identity in Middle and Later Life.” Sociological Forces 71:451–67.
Macunovich, Diane J. 2000. The Baby Boomers . New York: Barnard College Department of Economics.
Mujahid, G. 2006. “Population Ageing in East and South-East Asia: Current Situation and Emerging Challenges.” Papers in Population Ageing No.1. New York: United Nations Population Fund. Retrieved January 28, 2012 ( (External Link) ).
Native News Network. 2011. “Age Distribution: AIAN Compared to Total US.” Retrieved January 22, 2012 ( (External Link) ).
Ogawa, Naohiro and Robert Retherford. 1993. “Care of the Elderly in Japan: Changing Norms and Expectations.” Journal of Marriage and the Family 55:585–597.
Population Fund. Retrieved January 28, 2012 ( (External Link) ).
Raikhola, Pushkar Singh and Yasuhiro Kuroki. 2009. “Aging and Elderly Care Practice in Japan: Main Issues, Policy and Program Perspective; What Lessons Can Be Learned from Japanese Experiences?” Dhaulagiri: Journal of Sociology&Anthropology 3:41–82.
Reuteman, Rob. 2010. Will Baby Boomers Bankrupt Social Security? Retrieved January 31, 2012 ( (External Link) ).
Rothbaum, F. 1983. “Aging and Age Stereotypes.” Social Cognition 2:171–84.
Shaw, Gina. “Hip and Knee Replacements on the Rise.” Web MD. Retrieved February 13, 2012 ( (External Link) ).
Sweetser, Dorian Apple. 1984. “Love and Work: Intergenerational Household Composition in the U. S. in 1900.” Journal of Marriage and the Family 46(2):289–293.
U.S. Census Bureau. 2001. “Households and Families: 2000.” 2000 Census Briefs, September. Retrieved December 13, 2011 ( (External Link) ).
U.S. Census Bureau. 2011a. “Age and Sex Composition 2010.” 2010 Census Briefs, May. Retrieved February 13, 2012 ( (External Link) ).
U.S. Census Bureau. 2011b. “The Older Population: 2010.” 2010 Census Briefs, November. Retrieved December 13, 2011 ( (External Link) ).
U.S. Census Bureau. 2011c. “Population.” The 2012 Statistical Abstract. Retrieved January 28, 2012 ( (External Link) ).
Werner, Carrie. 2011. “The Older Population: 2010.” U.S. Census Bureau. Retrieved January 28, 2012 ( (External Link) ).
Wiencaw, Ruth. 2009. “Caring for the Elderly in America.” Research Starters. Retrieved January 28, 2012 ( (External Link) ).
World Health Organization. 2012. “Definition of an Older or Elderly Person.” Retrieved January 28, 2012 ( (External Link) ).
Xuequan, Mu. 2011. “Premier Wen Join Nursing Home Seniors to Celebrate Mid-Autumn Festival.” Retrieved February 12, 2012 ( (External Link) ).
Yap, Mui Teng, Leng Leng Thang, and John W. Traphagan. 2005. “Introduction: Aging in Asia—Perennial Concerns on Support and Caring for the Old.” Journal of Cross-Cultural Gerontology 20:257–267.
Zelenev, Sergei. 2008. “Regional Dimensions of the Ageing Situation.” The United Nations. Retrieved January 28, 2012 ( (External Link) ).