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Many more people work on weekdays than on weekend days.
About 83 percent of employed persons worked on an average weekday in 2005, compared with 32 percent on an average weekend day.
Among full-time workers, about 88 percent worked on an average weekday, while among part-time workers, 63 percent worked on a given weekday. Full-time and part-time workers were equally likely to work on a given weekend day; in each group, 32 percent worked on an average weekend day in 2005.
The American Time Use Survey is the source of these data. Note that the figures about weekend days are for Saturdays, Sundays, and holidays. You can find out more in American Time Use Survey — 2005 (PDF) (TXT), news release USDL 06-1276.
Bureau of Labor Statistics, U.S. Department of Labor, The Economics Daily, Working on the weekend at https://www.bls.gov/opub/ted/2006/jul/wk4/art05.htm (visited April 01, 2023).