Translation guide
In Japanese, the concept of a personal identity number is most commonly expressed as 個人番号 (kojin bangō), often referred to as マイナンバー (My Number). This is a 12-digit number assigned to all residents for social security, tax, and disaster response purposes. Other terms exist for specific contexts like corporate registration numbers or passport numbers.
The 12-digit individual number used for administrative procedures in Japan.
The official term for the individual number. Used in formal and legal contexts.
Please write your personal identity number.
The common, everyday term for the individual number. Widely understood and used in conversation and on forms.
Do you have a My Number card?
A 13-digit number assigned to corporations for public identification.
The corporate number used for tax and commercial registration. Not for individuals.
The corporate number is a 13-digit number.
The unique number on a Japanese passport.
The former resident registration code, replaced by My Number.
An 11-digit number previously used for resident registration. Largely superseded by My Number but still referenced in some legacy systems.
The resident registration code is not used much now.
個人番号 is the legal term and appears on official documents. マイナンバー is the colloquial term used in conversation and on most forms. Both refer to the same 12-digit number.
In Japan, various numbers serve as identifiers (e.g., 運転免許証番号 for driver's license, 健康保険証番号 for health insurance). Only 個人番号/マイナンバー is the universal personal identity number for administrative purposes.