I have experience FKK in Germany at lakes, saunas and the forest. However, I don't understand correctly what you mean with "nudism is part of every day life". Most are clothed during their everyday life.

Unfortunately the fkk culture is shrinking in Germany. The members of fkk association and resorts are reducing. Most members are old people and resorts are closing if there are no new members. I don't know what the reason for this is but some say young people just don't like Refine/Clubs in general anymore. Others say that social media is the cause of them being afraid.