WordNet sense 1 (a person who owes allegiance to that nation):

subject, subject

WordNet sense 2 (not private; open to or concerning the people as a whole):

public

WordNet sense 3 (of national scope):

general

WordNet sense 4 (inside the country):

home, interior, internal

WordNet sense 5 (of concern to or concerning the internal affairs of a nation):

domestic