Look up the gender equality paradox in Nordic countries. Nordic countries are the most egalitarian countries in the world that offer the best equal opportunities for men and women. The initial conclusions were that as Nordic countries made opportunities for either gender more equal the differences in choice for careers between genders became more pronounced.
There's various cooked interpretations of the result from agenda based groups but those are the initial results. This person illustrates the whole study the best:
https://youtu.be/_iudkPi4_sY?si=DPtr46-vw94sa70v
It's hard to draw a definitive conclusion from the study due to all the controversy and various parties cooking the numbers for their own agenda but take from it what you will, but the initial conclusion was that most of this is biological.