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Country guide

Japan

Japan uses the 12-digit Individual Number (My Number) for resident individuals and the 13-digit Corporate Number for corporations and other eligible organisations.

JP JPN 2 TIN types Last reviewed 2026-06-01

TIN types

2 published formats. Open a type to see examples, structure details, and official sources.

Validate Japan TIN
Japan Individual Number (My Number)
Current Individuals

地方公共団体情報システム機構 (Japan Agency for Local Authority Information Systems) / 市区町村 (Municipal governments)

Personal identifier assigned to residents registered in Japan and used for administrative procedures including taxation.

Details
Examples
1234 5678 9018
Where to find it

On the Individual Number Notice, My Number Card, qualifying old Notification Card, or a certificate of residence showing the My Number.

Common names
My Number Individual Number 個人番号 マイナンバー
Structure
1-11 Core number Eleven-digit personal identifier generated from resident register information.
12 Check digit Control digit used to detect input errors.
Official source
oecd.org digital.go.jp kojinbango-card.go.jp j-lis.go.jp
Japan Corporate Number
Current Entities

国税庁 (National Tax Agency)

Public identifier assigned by the National Tax Agency to corporations and other eligible organisations.

Details
Examples
8700110005901
Where to find it

On the Notification of Corporate Number and the National Tax Agency Corporate Number Publication Site.

Common names
Corporate Number 法人番号
Structure
1 Check digit Leading control digit derived from the following 12 digits.
2-13 Base number Twelve-digit base number, normally the company or corporate registration number for establishment-registered corporations.
Official source
oecd.org houjin-bangou.nta.go.jp digital.go.jp