2026 INCOME DETAIL
Bonus ¥300,000 take-home pay
A reproducible estimate for a 30-year-old employee in Tokyo with no dependents. The first screen leads with the answer people usually need.
Tokyo · age 30 · employee · 0 dependents · 2026
How much take-home pay is Bonus ¥300,000?
Tokyo · age 30 · employee · 0 dependents · 2026
Rules checked: 31 August 2026 · Calculator logic updated: 4 September 2026 · Page updated: 4 September 2026
Calculation conditions
- Previous salary after insurance: ¥300,000
- Age: 30
- Dependents: 0
- Social insurance: Social insurance: health, employees’ pension, employment insurance, and child/family support
- Bonus withholding rate: 6.13%（2026年甲欄）
Compare changing one condition
| Condition | Bonus take-home |
|---|---|
| Standard | ¥240,217 |
| Age 40 | ¥237,971 |
| 1 dependent | ¥240,252 |
| Previous salary JPY 400k | ¥224,574 |
Tax and insurance breakdown
This is an estimate for planning, not a payslip or tax filing result.
A ¥300,000 bonus is estimated at ¥240,217 take-home under the 2026 conditions.
Why this number?
- Gross bonus¥300,000
- Social insurance¥44,107
- Bonus withholding tax¥15,676
- Actual bonus take-home¥240,217
Frequently asked questions
Bonus ¥300,000: how much is actually paid?
This page focuses on one bonus payment: estimated take-home is ¥240,217. It is not an annual salary estimate.
Why does previous salary matter?
The bonus withholding table uses the previous month’s salary after insurance and the number of dependents, so the withholding rate changes with those inputs.
How much do dependents change it?
With one dependent, this bonus is estimated at ¥240,252. Final withholding is reconciled through the declaration and year-end adjustment.
What changes after age 40?
Care insurance is added from age 40; under these conditions the bonus is about ¥237,971. Coverage rules can vary by age band.
Which insurance items are included?
Health, employees’ pension, employment insurance, and child/family support are included, with an official source shown beside each item.
Calculation conditions and sources
- Conditions
- Standard conditions: Tokyo, age 30, employee, 0 dependents.
- Rates used
- Uses bonus withholding income tax, health insurance, employees’ pension, employment insurance, and child-support contributions. Resident tax is not treated as a direct bonus withholding item.
- Rounding
- Each item is rounded down below one yen before the bonus take-home amount is calculated.
- Official sources
- Official sources: National Tax Agency, Tokyo Metropolitan Tax Bureau, Kyokai Kenpo, Japan Pension Service, and MHLW. NTA · Tokyo tax bureau · 協会けんぽ · Japan Pension Service · MHLW
- Date definitions
- Rules checked: 31 August 2026 · Calculator logic updated: 4 September 2026 · Page updated: 4 September 2026
Tax-system changes and calculator-engine revisions are published openly. Read the calculation method · View revision history
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