Among respondents to a 2012 survey of a nationally-representative sample of 2250 US adults aged 60+, 14% report that they are employed full-time, 10% part-time, and 2% unemployed but looking for work. 63% report that they are retired.
National Council on Aging. (2012). United States of aging. New York, NY: Penn Schoen Berland. Retrieved from www.ncoa.org.