My Number Card utilization information for local governments

What's New

• On May 16, 2025, updated "[Material 1] To promote the dissemination and utilization of My Number Card (basic information)".
• May 9, 2025 "[Digital Agency] Registration request form for My Number Card Tomo no Kai members" was updated.

Using My Number Card

Basic information necessary for using My Number Card (policies of the government, outline of applications of My Number Card, etc.) is summarized in the following materials, so please consider using it.

• [Material 1] To promote the spread and utilization of My Number Card (basic information) (PDF / 10,325 kb) (updated on May 16, 2025)
• [Material 2] To promote the concept of online city hall in My Number Card (PDF / 8,912 kb) (updated on March 5, 2025)
• [Material 3] To promote the concept of converting My Number Card into a citizen card (PDF / 14,913 kb) (updated on March 5, 2025)

Examples of utilization services

• Examples of My Number Card Utilization in Local Governments
  Examples of the use of My Number Card in local governments throughout Japan are listed by application.
• Services and Systems Utilizing My Number Card and Case Studies
  Examples of the introduction of services and systems using My Number Card developed for local governments are included.

Technical information for service introduction

The details and usage of Japanese Public Key Infrastructure (JPKI), a identity verification using My Number Card, are described.

• Japanese Public Key Infrastructure (JPKI)
• Common infrastructure and general-purpose tools for My Number Card use
  • Mikey Platform
  • Local certification platform
  • Mynaportal App (Application Information for Local Governments)
  • My Number Card Kazashi Utilization Client Software (Utilization Information for Local Governments)

Useful Information

My Number Card Info

In Digital Agency, we distribute "private sector Info" to local governments and My Number Card to promote their efforts to expand the use of My Number Card. The purpose of this issue is to provide local governments and private sector with useful information on the promotion of use, such as national policies, examples of My Number Card use, and answers to frequently asked questions, in an easy-to-understand format as soon as possible.

• My Number Card Info (useful information for local governments)

My Number Card Tomo no Kai

In Digital Agency, we have established the "My Number Card Tomo no Kai" for private sector, a local government that is working to expand the use of My Number Card. For those who have joined the My Number Card Tomo no Kai, we regularly distribute My Number Card Info. Please consider joining us.

• My Number Card Tomo no Kai's Treatment of Personal Data
• How to subscribe
  [Digital Agency] Registration request form for My Number Card Tomo no Kai members Please register through .
  *Please register one person at a time.
  *Please note that we have not sent you a confirmation email after submitting the form.
  *The information will be delivered by e-mail, so please set up so that you can receive e-mails from the domain "digital. go. jp".

Frequently Asked Questions

Frequently Asked Questions (FAQs) are available at:

• Frequently Asked Questions (FAQ): For municipalities that want to start using My Number Card (Japanese Public Key Infrastructure)
  1. Information About Preparing to Use Japanese Public Key Infrastructure
  2. Information about My Number Card
  3. Information about electronic certification
  4. Information about Mynaportal