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My understanding is that every Japanese adult has their own Koseki Touhon. So I don't think you join the Koseki, but my understanding maybe incorrect. Children
by new299 12y ago
My understanding is that every Japanese adult has their own Koseki Touhon. So I don't think you join the Koseki, but my understanding maybe incorrect. Children are registered on their parents Koseki. Marriages are also registered. When a name change occurs, this is also registered on the Koseki, but adult individuals retain their own Koseki's.
Foreigners can only be "noted" in a Koseki, they can't have their own, or be registered in, a Koseki.
This is my understanding, but I find the whole thing a bit confusing and am hoping someone will set me right where I'm incorrect.
- shiro 12y agoAn adult can still be in his/her parent's koseki until they marry. Most Japaneses do so. When you marry, if either you or your spouse already have his/her own koseki, the other will be registered to it. If both are under their respective parents' koseki, then always a new koseki will be created for the couple.