>I got my undergrad degree in Iran (a relatively conservative society with an ultra-conservative even anti-women government), where the ratio of women to men in our computer science class was roughly 60/40 in favor of women [...]

>When I went to Europe for grad school (to a very progressive university in perhaps the most progressive European country) to my surprise I had only one female classmate who was a non-European international student in a class of 40.

also known as https://en.wikipedia.org/wiki/Gender-equality_paradox