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Shinjuku City Official Website > Foreign Language Top Page > Insurance, Health Maintenance and Welfare > An Announcement on National Health Insurance

An Announcement on National Health Insurance

Revision of National Health Insurance Premiums

Insurance premiums are reevaluated every year depending on the portion borne for medical expenses and the Medical Care System for the Older Senior Citizen, and the per capita amount and income-based amount are revised accordingly. (See FY2018 insurance premiums illustration below. A calculation sheet is available at the Shinjuku City website, with which you can calculate your insurance premiums by inserting your total income for the previous year and your age.)

FY2018 Insurance Premiums
* “Basic calculation amount” refers to the amount remaining after subtracting 330,000  yen  from the amount of total income earned the previous year.

Payment of Insurance Premiums

The FY2018 National Health Insurance premiums notification will be mailed in June. The annual insurance premiums are divided into ten installments, to be paid from June through March 2019. The invoices are mailed in June and October. (You can also choose to pay in one lump sum.)
Note: If you moved into Shinjuku City on or after January 2, 2018, the notification mailed in June will only have the per capita amount. Afterward, your basic calculation amount will be calculated based on your resident tax taxation information from your previous address, and you will receive notification of your adjusted insurance premiums with the confirmed income-based amount added.

File a Notification of Joining/Withdrawal within Fourteen Days

● Please be sure to file notification even if you are late for some reason.
According to the medical insurance system of Japan, everyone must be enrolled in some form of public health insurance. If you withdraw from the health insurance plan of your place of employment due to retirement or resignation, for example, or if a National Health Insurance member enrolls in the health insurance plan of his/her place of employment, a notification must be filed. (Membership is not automatically transferred.)
Eligibility for National Health Insurance begins from the day when a person must enroll. Even if you are late in completing enrollment procedures, insurance premiums will be charged dating back to the date of eligibility.
Those who work in an organization, such as a company, should enroll in the health insurance of their place of employment. Please consult your place of employment concerning enrollment procedures.

● Complete the designated procedures at the Medical Insurance and Pension Division or your local branch office
1. Those who withdraw from the health insurance plan of their place of employment and must enroll in National Health Insurance
Please bring your certificate of loss of eligibility. (If you do not have any dependents, a resignation/retirement certificate is acceptable.)
2. Those who enroll in the health insurance plan of their new place of employment and must withdraw from National Health Insurance
Please bring your National Health Insurance card and the new health insurance card of your place of employment to the appropriate service counter.

Notes:
1. When you file a notification, please bring any document that can confirm your individual number (“My Number”; i.e., your notification card) and any item that can verify your identity (residence card, driver’s license, passport, etc.).
2. If a proxy is filing a notification for you, please have him/her bring a statement of power of attorney from you, along with documents that confirm his/her identity in addition to the above.
3. Withdrawal procedures from National Health Insurance can be completed by mail. For application procedures, please read the instructions on the Shinjuku City website, or call for more information.

Please File a FY2018 Resident Tax Report

The basic calculation amount of insurance premiums is calculated based on the resident tax. Please file a resident tax report with the municipal office where you were registered as a resident as of January 1, 2018.
Note: If you have filed an income tax report, there is no need to file a resident tax report.

Inquiries National Health Insurance Eligibility Section, Medical Insurance and Pension Division (Counter No. 7, Shinjuku City Office Main Bldg. 4F), Tel:03-5273-4146 (in Japanese)

May 15, 2018