Higher education is a pretty low percentage of the population in Switzerland, so I'd say it's not surprising given the number of high technology companies. As

Higher education is a pretty low percentage of the population in Switzerland, so I'd say it's not surprising given the number of high technology companies. As far as I know, some specialisations are simply not found at all (e.g. aerospace engineering). But it's all over the economy really, Switzerland is really reliant an foreign labour. Just have a look at construction or healthcare.