It would appear to be Serbia. His username is supposedly a reference to celebrity, "Vladan Aksentijević, better known by his stage name Ajs Nigrutin, is a Serbian rapper and actor."

From the Statistical Office of the Republic of Serbia[1], a quick glance at the Higher Education statistics would seem to indicate there are 32% more women.

[1] https://www.stat.gov.rs/en-us/oblasti/obrazovanje/visoko-obr...