The US DOL says that 47% of the labor force is female and there is a significant gap in educational attainment between women and men in younger cohorts so the available pool of college educated women under 30-35 probably exceeds men.
https://blog.dol.gov/2017/03/01/12-stats-about-working-women
https://www.census.gov/content/dam/Census/library/publicatio...