26 ms·Poland (and probably a lot of other European countries as well).by lgieron 13y agoPoland (and probably a lot of other European countries as well).Theodores 13y agoThat's plumbing for you...lgieron 13y agoPlumbing? BTW. I now realised I misread the parent poster. It's not true that more than 50% Poles have an advanced degree, what I meant was that more than 50% of people with a degree get an advanced degree.