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Explanation of terms related to insurance premiums

Last updated on September 10, 2024.

What is the base gross income amount (what is the income amount used to calculate the premium “income amount”)?

Standard gross income amount = gross income amount, etc.-basic deduction of municipal tax (*)

※According to the total income amount of the previous year, it is as follows.

24 million yen or less ... ... ... 430,000 yen

More than 24 million yen and less than 24.5 million yen ... ... ... 290,000 yen

More than 24.5 million yen and less than 25 million yen ... ... ... 150,000 yen

More than 25 million yen ... ... ... 0 yen


The standard gross income amount is the amount of income that is the basis for calculating insurance premiums, and is the amount obtained by subtracting the basic deduction of municipal tax from the total income amount.
Gross income, etc. is the total income, etc. prescribed in Article 314-2, Paragraph 1 of the Local Tax Law, and is the sum of the following 1 to 18 income. It does not include Retirement income.

  1. Interest income
  2. Dividend income
  3. Real estate income
  4. Business income (operating income, etc.)
  5. Salary income
  6. Short-term transferable income for comprehensive taxation
  7. Long-term transferable income (Note 1)
  8. Temporary income (Note 1)
  9. Miscellaneous income (public pension income, etc.)
  10. Forest income
  11. Short-term transfer income on land and buildings subject to separate taxation (Note 2)
  12. Long-term transfer income on land and buildings subject to separate taxation (Note 2)
  13. (Selected tax return) Dividend income on listed stocks, etc.
  14. Transfer income, etc. related to general stock
  15. Transfer income, etc. related to listed stocks
  16. Miscellaneous income related to futures transactions
  17. Amount of interest applied to treaties and special interest applied
  18. Amounts of dividends applicable to treaties and special dividends applicable to treaties

(Note 1) Long-term transfer income and temporary income for the comprehensive tax shall be 1/2.
(Note 2) The amount after the special deduction is applied.
※Please be careful if you file a final tax return based on the transfer income of stocks, dividend income of listed stocks, etc.

What is the total amount of gross income, etc. (What is the amount of income used to determine the reduction of the premium “per capita rate”)?

The total amount of gross income, etc. is the amount of income used to determine the reduction of the per capita premium, and is the sum of the following 1-18 income amounts, which is the tax standard calculated by the method specified in the Local Tax Law, etc. It becomes. In addition, as shown below (Note 2) to (Note 4), some exceptions have been granted.

  1. Interest income
  2. Dividend income
  3. Real estate income
  4. Business income (operating income, etc.)
  5. Salary income
  6. Short-term transferable income for comprehensive taxation
  7. Long-term transferable income for comprehensive taxation
  8. Temporary income (Note 1)
  9. Miscellaneous income (public pension income, etc.)
  10. Forest income
  11. Short-term transfer income on land and buildings subject to separate taxation (Note 2)
  12. Long-term transfer income on land and buildings subject to separate taxation (Note 2)
  13. (Selected tax return) Dividend income on listed stocks, etc.
  14. Transfer income, etc. related to general stock
  15. Transfer income, etc. related to listed stocks
  16. Miscellaneous income related to futures transactions
  17. Amount of interest applied to treaties and special interest applied
  18. Amounts of dividends applicable to treaties and special dividends applicable to treaties

(Note 1) Long-term transfer income and temporary income for the comprehensive tax shall be 1/2.
(Note 2) The amount before the special deduction is applied.
(Note 3) The employer's (blue) blue full-time employee salary or business employee deduction paid to the full-time business employee is regarded as the employer's income, and (blue) there is no salary paid by the employer by the full-time business employee. Calculate assuming.
(Note 4) If a person aged 65 or older (as of January 1) has income from public pension, etc., the amount obtained by deducting 150,000 yen separately from the tax law's public pension is calculated as the amount of income related to public pension, etc.

Specified same household members are those who have transitioned from the National Health Insurance to the Medical System for the Elderly, and who continue to belong to the same household after becoming insured under the Medical System for the Elderly.
However, if the head of the household is changed or you are no longer a member of the household, you will no longer be a member of the specified same household.

Inquiries to this page

◆If you have any questions about the procedure, please contact your ward office Insurance and Pension Division.

Tsurumi Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-510-1807

Phone: 045-510-1807

Fax: 045-510-1898

E-Mail address [email protected]

Kanagawa Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-411-7124

Phone: 045-411-7124

Fax: 045-322-1979

E-Mail address [email protected]

Nishi Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-320-8425、045-320-8426

Phone: 045-320-8425、045-320-8426

Fax: 045-322-2183

E-Mail address [email protected]

Naka Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-224-8315、045-224-8316

Phone: 045-224-8315、045-224-8316

Fax: 045-224-8309

E-Mail address [email protected]

Minami Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-341-1126

Phone: 045-341-1126

Fax: 045-341-1131

E-Mail address [email protected]

Konan Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-847-8425

Phone: 045-847-8425

Fax: 045-845-8413

E-Mail address [email protected]

Hodogaya Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-334-6335

Phone: 045-334-6335

Fax: 045-334-6334

E-Mail address [email protected]

Asahi Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-954-6134

Phone: 045-954-6134

Fax: 045-954-5784

E-Mail address [email protected]

Isogo Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-750-2425

Phone: 045-750-2425

Fax: 045-750-2545

E-Mail address [email protected]

Kanazawa Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-788-7835、045-788-7836

Phone: 045-788-7835、045-788-7836

Fax: 045-788-0328

E-Mail address [email protected]

Kohoku Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-540-2349

Phone: 045-540-2349

Fax: 045-540-2355

E-Mail address [email protected]

Midori Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-930-2341

Phone: 045-930-2341

Fax: 045-930-2347

E-Mail address [email protected]

Aoba Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-978-2335

Phone: 045-978-2335

Fax: 045-978-2417

E-Mail address [email protected]

Tsuzuki Ward   Insurance and Pension Division National Health Insurance Section

Phone: 045-948-2334、045-948-2335

Phone: 045-948-2334、045-948-2335

Fax: 045-948-2339

E-Mail address [email protected]

Totsuka Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-866-8449

Phone: 045-866-8449

Fax: 045-871-5809

E-Mail address [email protected]

Sakae Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-894-8425

Phone: 045-894-8425

Fax: 045-895-0115

E-Mail address [email protected]

Izumi Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-800-2425、045-800-2426

Phone: 045-800-2425、045-800-2426

Fax: 045-800-2512

E-Mail address [email protected]

Seya Ward Insurance and Pension Division National Health Insurance Section

Phone: 045-367-5725、045-367-5726

Phone: 045-367-5725、045-367-5726

Fax: 045-362-2420

E-Mail address [email protected]

Insurance and Pension Division, Health and Social Welfare Bureau Life and Welfare Department

Phone: 045-671-2422

Phone: 045-671-2422

Fax: 045-664-0403 (For inquiries regarding procedures, please contact the ward office above)

E-Mail address [email protected]

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Page ID: 907-899-483

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