multinational;  transnational
 of unknown nationality (of a vessel, plane, etc.);  unidentified
 Japanese nationality;  Japanese citizenship
 foreign citizenship;  foreign nationality
 dual nationality;  dual citizenship
 choice of nationality;  choice of citizenship
 multiple citizenship;  multiple nationality
 reservation of Japanese nationality (procedure used with children born outside Japan)
 nationality clause;  legislated ban on foreigners taking up public posts
 loss of citizenship;  denaturalization;  expatriation