Male–female income disparity in the United States

The gender pay gap in the United States is the ratio of female-to-male median or average (depending on the source) yearly earnings among full-time, year-round workers.

The average woman's unadjusted annual salary has been cited as 78% to 82% of that of the average man's. However, after adjusting for choices made by male and female workers in college major, occupation, working hours, and parental leave, multiple studies find that pay rates between males and females varied by 5–6.6% or, females earning 94 cents to every dollar earned by their male counterparts. The remaining 6% of the gap has been speculated to originate from gender discrimination and a difference in ability and/or willingness to negotiate salaries.

The extent to which discrimination plays a role in explaining gender wage disparities is somewhat difficult to quantify, due to a number of potentially confounding variables. A 2010 research review by the majority staff of the United States Congress Joint Economic Committee reported that studies have consistently found unexplained pay differences even after controlling for measurable factors that are assumed to influence earnings – suggestive of unknown/unmeasurable contributing factors of which gender discrimination may be one. Other studies have found direct evidence of discrimination – for example, more jobs went to women when the applicant's sex was unknown during the hiring process.

Women's median yearly earnings (which is used by the Census Bureau to calculate its gap includes bonuses, while the Bureau of Labor Statistics uses weekly earnings which does not) relative to men's rose rapidly from 1980 to 1990 (from 60.2% to 71.6%), and less rapidly from 1990 to 2000 (from 71.6% to 73.7%) and from 2000 to 2009 (from 73.7% to 77.0%).

In 2016, women's earnings were lower than men's earnings in all states and the District of Columbia according to a survey conducted by the U.S. Census Bureau. The national female-to-male earnings ratio was 81.9%. Utah ranked lowest at 69.9% and Vermont ranked highest at 90.2%.

Women's median weekly earnings were lower than men's median weekly earnings in all industries in 2009. The industry with the largest gender pay gap was financial activities. Median weekly earnings of women employed in financial activities were 70.5% of men's median weekly earnings in that industry. Construction was the industry with the smallest gender pay gap, with women earning 92.2% of what men earned.

In 2009, women's weekly median earnings were higher than men's in only four of the 108 occupations for which sufficient data were available to the Bureau of Labor Statistics. The four occupations with higher weekly median earnings for women than men were "Other life, physical, and social science technicians" (102.4%), "bakers" (104.0%), "teacher assistants" (104.6%), and "dining room and cafeteria attendants and bartender helpers" (111.1%). The four largest gender wage gaps were found in well-paying occupations such as "Physicians and surgeons" (64.2%), "securities, commodities and financial services sales agents" (64.5%), "financial managers" (66.6%), and "other business operations specialists" (66.9%).

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