Japan’s My Number Card: A New Era for Foreign Residents

• by Shimanta Das
• August 9, 2026

Japan’s My Number Card (マイナンバーカード) has evolved from an optional ID into a mandatory part of daily life for foreign residents. With the phase-out of the traditional health insurance card completed in December 2024, the My Number Card is now the primary document for accessing healthcare. This shift is just the beginning of a broader transformation. The upcoming integration with the residence card system, set for June 14, 2026, will create a single, unified card for foreign residents, streamlining administrative processes and reducing the need for multiple visits to government offices.

For foreign residents, the benefits of the new integrated card are substantial. Currently, procedures like visa renewals require a trip to the Immigration Bureau, while updating My Number information necessitates a separate visit to the local city hall. With the new system, these processes will be consolidated. Visa extensions will be handled solely by the Immigration Bureau, and changes to My Number information will be recorded automatically, eliminating the need for city hall visits. This not only saves time but also simplifies compliance with Japanese regulations.

The new card will also integrate with other services, such as the Myna health insurance and Myna driver’s license, making it a versatile tool for daily life. The Japanese Public Key Infrastructure (JPKI) further enhances its utility, allowing for secure online authentication for contracts and administrative procedures. This means that many transactions that previously required in-person verification can now be done digitally, offering greater convenience and efficiency.

As the rollout approaches, it is crucial for foreign residents to stay informed about the transition process. While the exact procedures for existing cardholders were still being confirmed in early 2026, the phased implementation suggests that current cards may remain valid until their expiry dates. However, proactive application for the new integrated card is likely recommended to avoid any disruption in services. By embracing this change, foreign residents can look forward to a more streamlined and integrated experience in Japan, where administrative hurdles are minimized and digital convenience is maximized.