gender gap
A phrase that can be applied to any socioeconomic difference that exists between men and women. I really hope Maureen's big raise helps to lessen the gender gap in wages at this company.
gender gap
A broad difference between men and women, as in There is still an enormous gender gap in the wages of unskilled labor. This expression at first referred to the difference between men and women in voting preferences. It has since been extended to other areas. [1970s]