Is there any data in which places on the Earth the norm is to cover your mouth when coughing? Anecdata: in the London tube it seems normal that someone can coug

Is there any data in which places on the Earth the norm is to cover your mouth when coughing? Anecdata: in the London tube it seems normal that someone can cough straight in your face then say "I have mask exemption". If not masks, I wish that one thing could be fixed.