In 1999, median, weekly earnings of male, full-time wage and salary workers were $618, while female, full-time wage and salary workers earned only $473, approximately 23 percent less. Data from this report come from the Current Population Survey, a monthly survey of the US Census Bureau, and represent nearly 50,000 US households. The main body of the report contains eighteen data tables, including "Median usual weekly earnings of full-time wage and salary workers by selected characteristics, 1999 annual averages," "Median usual weekly earnings of full-time wage and salary workers by occupation and sex, 1983 and 1999 annual averages," and "Median usual weekly earnings of full-time wage and salary workers by sex, marital status, and presence and age of own children under 18 years old, 1999 averages." The report also contains several pages of highlighted findings, in a browseable, bulleted format.