My Number (Individual Number) System / My Number Card
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This is a system for identifying specific individuals in administrative procedures, etc. By coordinating information between administrative agencies, etc., it becomes possible to omit attached documents, etc. in various administrative procedures. In addition, My Number Card can also be used for identity verification, etc. in private sector services.
What's New
- My Number Card on iPhone Service Launched
We have started providing "function", which allows you to use My Number Card on iPhone in My Number Card on iPhones. For details, please visit " My Number Card on iPhone (Digital Agency Web Service Application) ". - Questions about use of My Number Card as a Health Insurance Certificate
We will answer questions about use of My Number Card as a Health Insurance Certificate sent to comments and requests to Digital Agency.
About My Number System
The outline of My Number System is as follows.
About My Number Card
I will explain the outline of My Number Card and the usage scenes.
- About My Number Card
How to apply for the card and the information on board - Validity and renewals of My Number Card and electronic certificate
If your My Number Card is about to expire, please renew it as soon as possible. - My Number Card on Smartphone
Android About the My Number Card that can be added to a terminal or an iPhone - Use of My Number Card
Various procedures in daily life and usage scenes in the medical field - My Number Card security
Procedures for lost or stolen cards and the card security system
My Number Card Utilization for Local Governments and private sector
We will provide information on how to utilize My Number Card in the services of administrative agencies and the private sector, as well as examples of its use.
- Utilization of My Number Card (Frequently Asked Questions [FAQ])
Frequently asked questions (FAQ) have been compiled for local governments and private sector - My Number Card Utilization Information for Local Governments
Basic information for using services, examples of using services, and how to use the Japanese Public Key Infrastructure (JPKI) - My Number Card Utilization Information for private sector
Basic information for using services, examples of using services, and how to use the Japanese Public Key Infrastructure (JPKI)
Related Services
The City of Digital Agency provides various services and function for administrative agencies and the City of private sector to make My Number Card conveniently available.
- Japanese Public Key Infrastructure (JPKI) This is an online service that allows government agencies and businesses to authenticate My Number Card owners and confirm that documents such as contracts have not been tampered with.
- The app for reading the IC chip in My Number Card This app is used by businesses and municipal staff to check information stored at the identity verification when making a My Number Card for customers or residents.
- Client Software for in-person use of My Number Card without PIN This is client software for Windows terminals and mobile terminals that can be used by administrative organizations and business operators for My Number Card identity verification.
- Digital certificate service This is an application programming interface service that makes it easy to integrate My Number Card identity verification / authentication and online application document signing function into the services provided by government agencies and businesses.
- Mynaportal APIs This is an API service that allows businesses and government agencies to obtain information from residents and link services together.
Logo, leaflet, etc.
Reference Information
Please refer to the following pages for frequently asked questions (FAQ) and various procedures and application methods.
- My Number System (general remarks)
- About My Number Card
- About use of My Number Card as a Health Insurance Certificate
- How to register for the use of health insurance cards, etc. in My Number Card (Mynaportal)
- Switching in order from August 2025! What should I pay attention to with my health insurance card? (For those insured under the medical treatment system for senior citizens and national health insurance) (Digital Agency News)
- Can I obtain a copy of my family register (Certification of all items) or certificate of residence in Mynaportal? (Mynaportal)
- Cooperation with Myna driver's license (Mynaportal)
- About Mynaportal
- How to Handle Moving Procedures from Mynaportal (Digital Agency Official Note)
- Application for Passports (Mynaportal)
- Registration as a public money receiving account Site
- Confirmation and Application of Public Pension Information (Mynaportal)
- Online application using Mynaportal (National Pension) (Japan Pension Service)
- Online application by Mynaportal (Matters Related to Receipt of Pension, etc.) (Japan Pension Service)
- Tax Return Preparation (Mynaportal)
- About the vaccination certificate app
- We will respond to your questions and concerns regarding incidents such as incorrect registration of My Number Card services