there's no pay gap in any industry when you take into account hours worked and years of experience. Women generally work less than men and take time off to have babies, man lands on moon.
This is a common assertion but there's research showing that the gap persists even after controlling for education, years of experience, etc.: http://time.com/money/4285843/gender-pay-gap-excuses-wrong/ “A 2011 study from Georgetown's Center on Education and the Workforce found that "men with some college but no degree earn about the same as women with a Bachelor’s degree," and that "wo men have to have a Ph.D. to ma…
> Women in their late 20s earn around 92% of what their male peers receive, whereas women in their early 50s make just 71% of the average man's wages
That makes sense, but doesn't mean that disparity increases as a woman ages - my first impression is that a woman in her late 50s entered the workforce about 40 years ago. There was certainly pervasive inequity at that time, and the opportunities those women were excluded from early in their careers compound.