Statistics have been presented in many reports and the trend is in the last two decades, increasing number of women joining science and technology e.g. in U.S., very large number of Ph Ds in Biological Sciences, Chemistry, Mathematics and other areas.
In India, about 40% of university positions taken by women in 2000.
22% in engineering and technology, 40% in science (INSA 2004 Report)
A critical issue is the inclusiveness on part of the S&T leadership world over.