In Latin America, many people take on masters and PhD while living with their parents. You are often seen as smarter than the idiot who's working.
In Latin America a very small minority of young people even get to go to a proper academic institution and not just a quasi-degree mill college. For those going to somewhat reputable institutions with post-tertiary programs it's another small minority that gets to a masters degree, with even fewer getting into a doctorate track...
Quantify "many people" because it's absolute bullshit it's any kind of representative cohort of the population with the means to achieve this.
MALCOLM I’ve just had a briefing from a 9-year old child... His f*ing briefing notes were written in Alphabetti Spaghetti. When I left I nearly tripped over his umbilical cord.
LINTON I’m sorry if it troubles you that our people achieve excellence at a young age... By the way, your prime minister informs me that he’s tasked you with collating some fresh British intel for us.
MALCOLM Yeah, apparently your f*ing master race of gifted toddlers can’t quit get the job done in between breast feeds and playing with their power rangers.
If you do a BSc in Math in Europe and you have some olympiad creds, you have a good shot of joining Optiver or similar, and go from there.