noun which may take the genitive case particle 'no', noun
unregistered; without a family register
Refers to a person who is not listed in any official family register (koseki), often due to birth registration issues. Used in legal and social contexts.
It is necessary to guarantee the right to education for unregistered children.
He lived for many years without being registered in a family register.
無国籍 means stateless (no nationality), while 無戸籍 means lacking a family register entry, which is a domestic legal status.
Compound of 無 (mu, 'without') and 戸籍 (koseki, 'family register'). The term is a straightforward modern legal coinage.