According to an analysis of U.S. Census data by the Congressional Research Service, "In 2006, 91% of men and 76% of women aged 25 to 54 participated in the labor force. In contrast, just 70% of men and 58% of women aged 55 to 64 were either working or looking for work in 2006." (p. 2)
Purcell, P. (2007). Older workers: Employment and retirement trends. Washington, DC: Congressional Research Service. Retrieved September 11, 2007 from http://opencrs.cdt.org/document/RL30629
This Congressional Research Service Report was prepared for members and committees of Congress using 2007 data from the U.S. Census Bureau.