noun
Individual Number; My Number; personal identification number
Official 12-digit number assigned to each resident of Japan for social security, taxation, and disaster response. Often referred to as マイナンバー in everyday speech.
See also: マイナンバー
個人番号は、市区町村から通知されます。
Your Individual Number will be notified by your municipality.
確定申告には個人番号の記載が必要です。
You need to enter your Individual Number on your tax return.