Germans and Swiss prefer renting to buying, whilst the Spanish are majority owner-occupiers. Why is that? This article has a go at explaining it.
http://qz.com/167887/germany-has-one-of-the-worlds-lowest-homeownership-rates/
If there Germans aren’t motivated to buy homes in German, it makes you wonder how much German demand there is for property in Spain….
That said, German demand in Spain is on the increase, and they are now the second biggest group after the British.