Among Baby Boomers born in 1946 who turned 65 in 2011, "almost twice as many ... stated that they were fully retired as were working full-time at age 65 (45% versus 24% respectively)," according to a 2012 Metlife report.
MetLife. (2012). Transitioning into retirement: The MetLife study of Baby Boomers at 65. Westport, CT: Metlife Mature Market Institute. Retrieved from www.metlife.com.