National Health Insurance Foreigner Enrollment Obligation: Complete Guide 2025
For foreigners living in Japan, enrolling in National Health Insurance is an important obligation. In 2025, we will explain in detail the obligation to join National Health Insurance and the enrollment procedure, based on the latest information. It is recommended to grasp accurate information and use Check Visa Eligibility to check the possibility of obtaining a visa at the same time.
Basic Information on the Obligation to Join National Health Insurance
Foreigners staying in Japan for 3 months or more are required to enroll in National Health Insurance. National Health Insurance is an insurance system to cover medical expenses in case of illness or injury, and enrollees can receive medical treatment by paying a portion of the medical expenses.
Eligible Persons and Conditions for Enrollment Obligation
Those who are obligated to join National Health Insurance are foreigners who stay in Japan for 3 months or more. However, if you are enrolled in company health insurance or other public medical insurance, you do not need to join National Health Insurance. Failure to comply with the obligation to join may result in penalties.
Enrollment Procedures and Required Documents
The enrollment procedure for National Health Insurance is done at the municipal office of the municipality where you registered as a resident. Required documents include a residence card, passport, and certificate of residence. The enrollment procedure must be completed within 14 days after registering as a resident.
National Health Insurance Premiums and Burden Ratio
National Health Insurance premiums are calculated based on the previous year's income. The higher the income, the higher the premium, and the lower the income, the lower the premium. Also, the burden ratio of medical expenses varies depending on age.
Premium Calculation Method and Reduction System
The premium calculation method is calculated based on the previous year's income. If your income is low, you can use the premium reduction system. To use the reduction system, you need to submit documents such as an income certificate.
Burden Ratio of Medical Expenses and High-Cost Medical Expense Benefit System
The burden ratio of medical expenses varies depending on age. If you are under 70 years old, you will pay 30% of the medical expenses, and if you are 70 years old or older, you will pay 10% or 20% of the medical expenses. In addition, under the High-Cost Medical Expense Benefit System, medical expenses exceeding a certain amount will be refunded.
Latest Trends and Points to Note Regarding the National Health Insurance System in 2025
In 2025, there will be basically no changes to the National Health Insurance system, but there may be changes to the premium calculation method and the requirements for the reduction system. It is important to grasp the latest information.
Changes in Premium Calculation Method and Reduction System
In 2025, the premium calculation method and the requirements for the reduction system may change. It is important to grasp the latest information and take appropriate procedures. You can check the latest information by contacting the municipal office.
Importance of Consulting with an Expert
It is recommended to receive advice from an expert regarding the enrollment procedure for National Health Insurance and the calculation of premiums. In particular, expert knowledge is required for using the reduction system and calculating premiums. By receiving advice from an expert, you can take appropriate procedures and reduce insurance premiums.
First, Free Visa Diagnosis (Eligible Check)
If you are considering enrolling in National Health Insurance, we recommend that you first receive a free visa diagnosis (Eligible Check). Experts will analyze your situation in detail and tell you the appropriate enrollment procedure and premium calculation method.
First, let's check "Can I apply?" with a 30-minute free online consultation
Regarding visa acquisition and company establishment in Japan, "How much will it cost in my case?" "Do I even meet the requirements in the first place?" It is a big risk to move without knowing.
At Mayuha Immigration Lawyer Office, Based on over 15 years of experience and over 500 cases, While listening to your situation "Realistically available options" and "Approximate cost and period" Organize in 30 minutes.
- Areas of support: Technology/Humanities/International Services, Management/Administration, Specified Skills, Permanent Residence, Naturalization, etc.
- Supported languages: Japanese, English (Interpretation arrangements can be discussed for other languages)
- Format: Zoom / Online consultation (Available from all over Japan and overseas)
You can be at the stage of "I just want to know if my case can be applied". Even if you plan to do the procedure yourself in the future, we will provide you with information that will be useful in organizing your policy.
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