Japan: New Universal ID Numbers for Citizens and Residents
Currently, Japanese citizens and residents have separate registration numbers assigned for various official registries – leading to different numbers for tax, social security, national health and municipal records. Effective October 1, 2015, all citizens and medium to long term residents will have just one national identification number, which will last for a lifetime, and will replace all existing registration numbers with the various registries.
Employers will be required to apply the new numbers when administering official filings and remittances for their employees and therefore internal systems and records should be updated to accommodate the new numbers.
It will be compulsory to use the 12 digit numbers from January 1, 2016.