Individual Number

Japanese national identification number

This article is about national identification number. For smart card for ID, see My Number Card.

Example of Kojinbango card

An Individual Number (個人番号, kojin bangō), also known as My Number (マイナンバー, mai nambā), is a twelve-digit ID number automatically issued to all citizens and foreign residents of Japan. It used for taxation, social security and disaster response purposes. The numbers were first issued in late 2015.[1][2][3]

The Individual Number is the de-facto Japanese equivalent to a U.S Social Security Number (SSN),[4] and is required when applying for a Japanese bank account.[5][6] Like the SSN, the number is sensitive and should be kept safe. Once issued the bearers Individual Number remains the same indefinitely, unless required to be changed by decree.[7]

Individuals may write this number down and keep it in a safe location, or apply for the free My Number Card, which contains the number.

## See also

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* My Number Card
* Corporate Number (Japan)
* Social Security number
* National identification number

## References

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1. ^ Osaki, Tomohiro Ready or not, government will soon have your My Number September 20, 2015 The Japan Times Retrieved October 6, 2015
2. ^ The Social Security and Tax Number system Archived July 14, 2016, at the Wayback Machine Cabinet Secretariat Retrieved October 6, 2015
3. ^ Japan introducing “My Number” system, some information Archived January 30, 2017, at the Wayback Machine Austrian Business Council Retrieved October 6, 2015
4. ^ Shigenori, Matsui (2019). "Is "My Number" Really My Number?: National Identification Numbers and the Right to Privacy in Japan" (PDF). Syracuse Journal of International Law and Commerce. 47 (1): 99–138.
5. ^ Agency, Digital. "FAQ: About the Account Numbering System｜Digital Agency". Digital Agency. Retrieved February 16, 2025.
6. ^ "「秘密の副業」「隠し口座」「遺産」が全部バレるって本当!? - 「マイナンバー制度」について担当省庁に聞いた" [Is It True That "Secret Side Jobs", "Hidden Accounts", and "Inheritances" All Show!? - What We Hear from the Ministry Office About the "My Number System"]. マイナビニュース (in Japanese). January 5, 2016. Retrieved February 16, 2025.
7. ^ Agency, Digital. "FAQs: About My Number｜Digital Agency". www.digital.go.jp. Retrieved April 15, 2025.

* 水町, 雅子 (November 15, 2017). 逐条解説マイナンバー法 (1st. ed.). Kayaba-cho, Nipponbashi, Chuo-ku, Tokyo, Japan: Shojihomu Co., Ltd. ISBN 978-4-7857-2567-9.

## External links

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* The Social Security and Tax Number System Archived August 14, 2016, at the Wayback Machine (Official introduction by the government)

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National identification numbers by country

* Australia
* Bosnia and Herzegovina
* Brazil (RG • CPF • CNPJ)
* Bulgaria
* Canada
* China
* Croatia
* Denmark
* Faroe Islands
* Greenland
* France
* Ghana
* Hong Kong
* Iceland
* India
* Indonesia
* Ireland
* Israel
* Italy
* Japan
* Malaysia
* Mexico
* Montenegro
* Netherlands
* New Zealand
* North Macedonia
* Norway
* Poland
* Russia
* Saudi Arabia
* Serbia
* Singapore
* Slovenia
* Somalia
* South Korea
* Spain (DNI • NIE)
* Sri Lanka
* Sweden
* Taiwan
* Turkey
* United Kingdom
* United States

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