the reason there are many women in tech is simple: IT jobs pay ridiculously good compared to non-IT jobs and barrier of entry has been lowered enough for even non-techy women to realize they can train for few weeks and get a solid paying job as junior QA. and when they are smart and went for math/technical education - being software developer is a no brainer, it pays easily 10-100 times better than average job in any other sector.

same thing is happening in ukraine: https://s.dou.ua/files/lenta/salary-report-dec-2016/fem-titl...

full survey: https://dou.ua/lenta/articles/salary-report-dec-2016/?from=s...

compare to previous surveys: https://jobs.dou.ua/salaries/demography/dec2016/