I don't know what proportion of waiters are members, but the union for hospitality workers is one of the largest (possibly the largest) in Denmark: https://cf.3f.dk/english/wages-and-sectors/working-in-the-ho...
In Danish, the collective agreement they negotiated with McDonald's: https://www.3f.dk/-/media/files/artikler/overenskomst/privat...
I don't know what proportion of waiters are members, but the union for hospitality workers is one of the largest (possibly the largest) in Denmark: https://cf.3f.dk/english/wages-and-sectors/working-in-the-ho...
In Danish, the collective agreement they negotiated with McDonald's: https://www.3f.dk/-/media/files/artikler/overenskomst/privat...