"In 2015, women who were full-time wage and salary workers had median usual weekly earnings that were 81 percent of those of male full-time wage and salary workers. In 1979, the first year for which comparable earnings data are available, women’s earnings were 62 percent of men’s. Since 2004, the women’s-to-men’s earnings ratio has ranged from 80 to 83 percent. (See chart 1 and tables 1 and 12.)This report presents earnings data from the Current Population Survey (CPS), a national monthly survey of 60,000 eligible households conducted by the U.S. Census Bureau for the U.S. Bureau of Labor Statistics (BLS). The weekly and hourly earnings estimates in Highlights of Women’s Earnings reflect information collected from one-fourth of the CPS monthly sample and averaged for the calendar year. These data are distinct from the annual earnings estimates for full-time, year-round workers collected separately in the Annual Social and Economic Supplement (ASEC) to the CPS and published by the U.S. Census Bureau..."