Japan Part-Time Income Thresholds

Show representative yearly income thresholds for tax, social insurance, and dependent deduction criteria by reference year.

If the calculation interface does not appear, enable JavaScript and reload. Official references remain available below.

Calculation basis and official references

Reviewed on:

Formula basis

Select the 2024 or 2025plus fixed table, then compute monthly equivalent = annual benchmark ÷ 12 and display the minimum and maximum listed amounts.

Calculation method

This calculator displays fixed representative annual-income benchmarks for resident tax, income tax, short-hours social insurance, dependent status, and family deductions for the selected reference year.

Exclusions and checks required

  • The implementation does not include 2026 tax changes or the social-insurance wage-condition change; 2025plus is a fixed 2025 benchmark table.
  • Weekly hours, contract length, employer size, student status, and spouse or relative income are not tested.

Example input:：Display the representative thresholds after the 2025 reform

year
FY2025 and later representative values

This is the fixed 2025 benchmark table and cannot determine an individual’s 2026 coverage or take-home pay.

Official references

FAQ

Who is this calculator for? Japan Part-Time Income Thresholds

Show representative yearly income thresholds for tax, social insurance, and dependent deduction criteria by reference year.

What values should I enter?

Applies to: Japan Customs & Living Expenses

How should I interpret this estimate?

This calculator displays fixed representative annual-income benchmarks for resident tax, income tax, short-hours social insurance, dependent status, and family deductions for the selected reference year.

How to use

  1. Enter your input values and press Calculate.
  2. Review the result and compare it with expected context.
  3. Select the 2024 or 2025plus fixed table, then compute monthly equivalent = annual benchmark ÷ 12 and display the minimum and maximum listed amounts.

Official references