I'm not really sure.
Natural instinct? Experts at fifth column approach?
I would say, relatively. I've met both sexes in this field in the same amount.
I graduated with my doctorate in 1991. At that time, my particularly graduate program seemed to be balanced in the percentage of men to women. Prior to the late nineties, psychology was predominantly a man’s profession. In some subsections, such as academia, it still is.
I have to admit I wasn’t aware of the profound shift in the trends, so thank you for this great question and for the A2A.
I did some research and discovered that American Psychological Association is also monitoring the gender shift in the field of psychology.
Here’s what they report: