Japan's Health and Welfare Systems for Foreign Residents: What You Should Know

Japan maintains a comprehensive public health and social welfare infrastructure. Foreign residents with valid residence status are, in most cases, entitled to participate in these systems on the same terms as Japanese nationals. Despite this, many foreign residents never enrol, never claim benefits they are entitled to, or pay out-of-pocket for costs that should have been covered. The reasons vary — unfamiliarity with administrative processes, language barriers at municipal counters, or simply not knowing that a programme exists.

This guide covers the systems most relevant to foreign residents, with a focus on health-related support. It does not constitute legal or benefits advice, and specific eligibility conditions should be verified with the relevant authority.

National Health Insurance (Kokumin Kenko Hoken)

National Health Insurance (NHI) — kokumin kenko hoken — covers foreign residents who are not enrolled in an employer-sponsored health insurance scheme. Enrolment is mandatory for most residents with a valid residence card and a stay of three months or more. Premiums are set by each municipality based on household income, and the scheme covers 70 percent of standard medical costs at enrolled facilities; the patient pays the remaining 30 percent.

Enrolment takes place at the municipal office (shiyakusho or kuyakusho). Documentation required typically includes a residence card (zairyu card) and, for those newly arrived, confirmation of address registration. Foreign residents who arrive in Japan and do not enrol in NHI within a reasonable time may face back-payment of premiums retroactively, since enrolment is retroactive to the date residence status began.

Residents who face difficulty paying NHI premiums can apply for reductions. Many municipalities offer premium reduction tiers based on income. Applications are processed at the same municipal office counter.

High-Cost Medical Expense Benefit (Kōgaku Ryōyō Hi Seido)

When medical costs in a single month exceed a set threshold — which varies by income bracket and age — a benefit called kōgaku ryōyō hi automatically limits what the patient pays out of pocket. The system operates so that the insured person pays up to their threshold at the time of treatment, or claims a refund from their insurer after the fact.

This system applies to NHI members and to those covered by employer-sponsored schemes. For NHI members, the claim is processed through the municipal office. The income-based thresholds mean that lower-income residents have a lower ceiling on what they pay. Families dealing with hospitalisation, major surgery, or ongoing cancer treatment should be aware of this system, as it can substantially reduce the financial impact of expensive care.

Welfare assistance (Seikatsu Hogo)

Japan’s welfare assistance system — seikatsu hogo — provides a living standard floor for residents who cannot support themselves financially. Despite a common assumption that this programme is unavailable to foreign residents, it has been extended to certain categories of long-term foreign residents through administrative policy. Eligibility and application procedures vary and have been subject to judicial review; current conditions should be verified with a local welfare office or a legal support organisation.

Foreign residents facing poverty-level situations, inability to pay medical costs, or homelessness should not assume they have no recourse. Municipal social welfare offices (fukushi jimusho) are the starting point for enquiries.

Child-related support

Foreign resident families with children in Japan are entitled to the same child-rearing allowance (jidou teate) as Japanese nationals, provided residency conditions are met. This monthly allowance, paid until children reach middle school age, requires registration through the municipal office.

The maternal and child health handbook (boshi techo) is issued free of charge to all registered pregnant residents. It contains vaccination records, developmental check-up tracking, and health information — and is issued in multiple languages in many municipalities.

Subsidised vaccinations are available for children through the local public health centre (hokenjo). The vaccination schedule for children in Japan is substantial and covers diseases including measles, rubella, polio, and meningococcal disease. Foreign resident children who arrive in Japan mid-schedule should have their records reviewed to determine what remains to be done.

What to do at the municipal counter

Many foreign residents find the municipal office experience daunting. Offices vary enormously in how much language support they provide. Some major-city offices have multilingual staff or interpretive telephone services; smaller municipalities may not.

Preparing in advance — bringing a written list of what you need, having documents photocopied and organised, and arriving early — reduces the difficulty. Some regional international exchange organisations provide accompaniment services for residents navigating administrative processes; the prefecture directory on this site lists organisations by region.

Understanding what you are entitled to, and asking at the appropriate counter, is the first step toward accessing systems that Japanese law and policy have extended to foreign residents.

Last reviewed: September 2026