Over time, more females have entered STEM occupations. While the life sciences have seen an overall reduction in the gender gap, the percentage of women in engineering and computer science occupations has stagnated.
Sources: Corbett, C., & Hill, C. (2015). Solving the Equation: The Variables for Women’s Success in Engineering and Computing. Washington, DC: American Association of University Women; U.S. Dept. of Labor, BLS: 11. Employed persons by detailed occupation, sex, race, and Hispanic or Latino ethnicity (2017) https://www.bls.gov/cps/cpsaat11.htm
The percentage of female engineers and computer professionals varies by specialization. Only 7% of mechanical engineers are female compared to 19% of industrial engineers. In the computer industry, females are better represented, but still very low.