FAQ on Procedures After Arriving in Japan

For Mid- to Long-Term Researchers; 91 Days or More

■ Important Notifications

In Japan, important documents related to various procedures are sent by post. Please be sure to open all envelopes, check the contents carefully, and complete any required procedures by the specified deadlines.

Q1. What should I do first after arriving in Japan?

A. It is recommended that you complete the following steps in order:

  • Secure housing and move in
  • Register your address
  • Enroll in National Health Insurance
  • Open a bank account
  • Set up a mobile phone plan
Q2. How do I register my address in Japan?

A. You must register your address as soon as your residence is determined.

  • In principle, you must register your address at your local municipal office within 14 days of moving in.
  • If you move to a different residence, you must update your address within 14 days of moving.

Documents required:

  • Passport
  • Residence card
  • Proof of address (e.g., rental agreement)
Q3. Do I need to enroll in National Health Insurance?

A. Yes, in principle, enrollment is required.

  • If you are not enrolled, you must pay the full cost of medical expenses.
  • Some research institutions may require enrollment in a designated insurance plan.
Q4. Do I need to join the National Pension Scheme?

A. Yes, enrollment is required in principle. However, you may apply for a payment exemption.

  • Enrollment in the National Pension Scheme is mandatory by law.
  • In principle, you are required to enroll once you complete your address registration.
  • If you had no income in Japan in the previous year, you may apply for a payment exemption at the time of enrollment.
Q5. Do I need to obtain a "My Number" (Individual Number)?

A. If you register your address in Japan, a My Number will be automatically assigned to you.

■ Do I need a My Number Card?

  • No, it is not mandatory. Applying for the card is optional.
  • You can apply for the card right after completing your address registration.
  • If you do not apply then, you will receive a notification letter and related documents by mail at a later date.

■ What is My Number used for?

It is mainly used for the following:

  • Tax-related matters (e.g., salary, honoraria)
  • Social insurance (health insurance and pension)
  • Certain banking procedures

■ Important Notes

  • Your My Number is sensitive personal information.
  • Do not share it unless necessary.
  • Keep the notification letter in a safe place.
Q6. Can I open a bank account in Japan?

A. Yes, it is possible, but requirements vary depending on the bank.

Common requirements:

  • Residence card
  • Contact information in Japan (e.g., phone number)

Important notes:

  • Some banks require a minimum period of stay (e.g., 6 months or more).
  • Procedures may be smoother if you receive support from your research institution.
Q7. Can I set up a mobile phone plan in Japan?

A. Yes, you can set up a standard mobile phone plan.

Documents typically required:

  • Residence card
  • Address in Japan
  • Bank account or credit card
Q8. I heard that documents are sent by post in Japan. What should I be aware of?

A. Yes, important documents are often sent by post. Please make sure to check them carefully and respond by the deadlines.

You may receive documents such as:

  • National Health Insurance documents
  • National Pension notifications
  • Tax notices
  • My Number notifications
  • Bank-issued cash cards

■ Important Notes

  • Always open envelopes and check the contents.
  • Make sure to meet all deadlines for payments and procedures.
  • If you have any questions, consult your host institution or your local municipal office as soon as possible.
Q9. What should I prepare before coming to Japan?

A. It is strongly recommended that you obtain an international credit card before coming to Japan.

■ Why is this necessary?

You may need a credit card in the following situations:

  • Payment for accommodation and initial living expenses
  • Mobile phone and internet contracts
  • Online services
  • Transportation and shopping (cashless payments)

■ Important Points

  • You may not have a Japanese bank account immediately after arrival.
  • Some services may not accept cash.
  • It can be difficult to obtain a credit card in Japan, so preparing one in advance is highly recommended.

■ Recommendations

  • An internationally accepted card (e.g., Visa, Mastercard)
  • A card with a sufficient credit limit
  • Ensure your card is enabled for overseas use