According to an article in the Atlantic, https://www.theatlantic.com/science/archive/2018/02/the-more..., "nations that have traditionally less gender equality [tend] to have more women in science and technology than their gender-progressive counterparts do".

There's a plot of % women STEM graduates vs. a measure of opportunities for women. Algeria has the highest percentage of women STEM graduates on the chart. The Nordic countries have some of the lowest.