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Calculation of Health Insurance Premiums

TOP/Finance/Pensions and Severance Pay
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Calculate health insurance premiums, long-term care insurance premiums, child and childcare contributions, child and childcare support payments, and the employee’s share of these amounts based on the total compensation from salaries and bonuses. (Reiwa 4, 5, 6, 7, 8 fiscal years)
Fiscal Year
Age
Amount of compensation
Yen
Business Location
Health Insurance Premium Rates%
Long-Term Care Insurance Premium Rate%
Child and Child-Rearing Contribution Rate%
Child and Child-Rearing Support Levy (New System)%

Remuneration

Basic salary and allowances (such as dependent, regional and commuting allowances) are included in remuneration. Sympathy payments, business travel expenses, ceremonial expenses and entertainment expenses are excluded. Bonuses paid 4 or more times per year are also included in salary for the calculation.

Formulas


  • Health insurance premium: Standard monthly remuneration (or standard bonus amount) × Health insurance premium rate

  • Long-term care insurance premium: Standard monthly remuneration (or standard bonus amount) × Long-term care insurance premium rate (only for people aged 40 through 64)
    The long-term care insurance premium rate changes to 1.62% in fiscal year Reiwa 8. It was 1.59% in fiscal year 7, 1.60% in fiscal year 6, 1.82% in fiscal year 5 and 1.64% in fiscal year Reiwa 4.


  • Child and childcare support levy rate (new system): The support levy rate multiplied by the standard monthly remuneration and standard bonus amount for employees' pension insurance. (Shared equally by employer and employee from April, Reiwa 8.)
    0.23% in fiscal year Reiwa 8

  • Child and childcare contribution rate: The contribution rate multiplied by the standard monthly remuneration and standard bonus amount for employees' pension insurance. (Employer only.)
    The contribution rate for fiscal years Reiwa 8, 7, 6, 5 and 4 is 0.36%.


Standard monthly remuneration: The amount assigned to the grade corresponding to monthly salary remuneration.

Standard bonus amount: The total bonus before tax, rounded down to the nearest 1,000 yen.


※This site assumes no responsibility for calculation results or other information. We do not provide individual consultations.
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