No, a visa is not necessary, as Japan is in the visa waiver program, but that would require an ESTA from you.
yes, they do
Do Japanese needs visa to visit USA?
Yes the man from China will need a visa to visit the U.K.
you need the schengen visa
No
no
This visa is not necessary.
yes but it has to be an American visa.
there is no visa for moroccans who want visit south korea
yes
Yes.
Yes
yes
Yes