Everyone resident in Japan from 40 pays into this, including foreign residents, so your parent is almost certainly already enrolled. Paying premiums does not open services; certification does, and that is a separate municipal step you apply for. Families abroad often assume coverage is automatic on diagnosis. It is not. The card in the drawer is the starting point, not the key.
Who is enrolled
Enrollment depends on age and residence. People aged 65 and over are Category 1 insured persons. People aged 40 to 64 who belong to a Japanese health insurance plan are Category 2. Foreign nationals are covered on the same terms once they are registered as residents with a period of stay longer than three months.
Over 65, the cause of the care need does not matter. Between 40 and 64, services are available only when the need comes from one of 16 age-related specified diseases. Terminal cancer and cerebrovascular disease are two of them.
Premiums and co-payments
Each municipality sets the Category 1 premium every three years. For the ninth period (FY2024 to FY2026) the national average base amount is ¥6,225 a month. The national standard splits residents into 13 income bands, and most people over 65 have the premium deducted from their pension. Members aged 40 to 64 pay it together with their health insurance premium.
Users pay 10%, 20% or 30% of service costs depending on income. Home services sit under a monthly ceiling set by the care level. When a household's co-payments pass an income-based cap, the excess is refunded; for most households the cap is ¥44,400 a month.
Families outside Japan
The insurer is the municipality where the parent is registered. That office or the local community support center takes the certification application, and a relative can start the process by phone from abroad.
If the parent leaves Japan and gives up resident registration, coverage ends. It restarts when they register again after returning, but certification has to be applied for from scratch.
Unpaid premiums lead to penalties such as a higher co-payment when services are used. While a parent pays by bank transfer instead of pension deduction, it is worth checking that payments have not lapsed. The cost simulator gives a rough monthly budget, and the guide for foreign residents covers enrollment questions in more detail.
Read more: Long-term care insurance guide
Related terms
- 介護（kaigo）— long-term care
- 要介護認定（youkaigo nintei）— care-need certification
- 自己負担（jiko futan）— co-payment
Where to go next
This word will come back at the home assessment or in the first care plan. The full Japanese elder care glossary holds 54 terms, and the long-term care insurance guide shows where each one sits in the process.
If you would rather someone handled the Japanese side, our care navigation service does that, and the first consultation is 30 minutes and free. Definitions here are general orientation and rules vary by municipality; see our editorial policy or contact us with your situation.