References

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Martin, Joyce A., Brady E. Hamilton, Paul D. Sutton, Stephanie J. Ventura, Fay Menacker, Sharon Kirmeyer, and Martha L. Munson. 2007. "Births: Final Data for 2005." National Vital Statistics Reports 56(6): 1–104.

National Center for Health Statistics. 1999. Vital Statistics of the United States 1993. Vol 1: Natality. Washington, DC: US Government Printing Office. 

Social Security Administration. 1997. Social Security Area Population Projections: 1997. SSA Pub. No. 11-11553. Washington, DC: Social Security Administration.  

———. 2008a. Annual Statistical Supplement to the Social Security Bulletin, 2007. Washington, DC: Social Security Administration.

———. 2008b. The 2008 Annual Report of the Board of Trustees of the Federal Old-Age and Survivors Insurance and Federal Disability Insurance Trust Funds. Washington, DC: Social Security Administration. 

———. 2008c. "United States Life Table Functions." Unpublished tabulations from the Office of the Chief Actuary. Washington, DC: Social Security Administration. 

Toossi, Mitra. 2006. "A New Look at Long-Term Labor Force Projections to 2050." Monthly Labor Review 129(11): 19-39.

US Census Bureau. 1984. "Educational Attainment In the United States, March 1981 and 1980." Washington, DC: US Census Bureau.

———. 2000. "Educational Attainment In the United States, March 2000." Washington, DC: US Census Bureau.

———. 2004a. "National Estimates by Age, Sex, Race: 1900-1979." Washington, DC: US Census Bureau.

———. 2004b. "Projected Population of the United States, by Age and Sex: 2000 to 2050." Washington, DC: US Census Bureau.

———. 2004c. "Quarterly Population Estimates, 1980 to 1990." Washington, DC: US Census Bureau.

Vaupel, James W. 2000. "Setting the Stage: A Generation of Centenarians?"The Washington Quarterly 23 (3): 197–200.