Citizen documentation system in Japan
ID number system kicked in 2016 A comprehensive ID number documentation system (My Number) put in practice in Japan in 2016. But the database of this system is used for official purposes only. Therefore, just for ID verification purpose s, complicated double documentation system is still in use: Residential registration system for municipal government or “Juminhhyo“ Family registration system or “Koseki“ Juminhyo Residential registration is registered at a city hall