Written by Keisuke Unno — a graduate of Tokyo University of Foreign Studies (Persian Language).
Married to a non-Japanese partner, and host of the YouTube channel “Tabunka Gurashi 多文化ぐらし,” where he has interviewed dozens of international residents across Japan about their real lives here.
Your first Japanese payslip (給与明細) can be genuinely confusing — the gross number you agreed to in your contract and the amount that actually lands in your bank account can differ substantially once deductions are applied. Short answer: the main deductions are income tax, resident tax (once it kicks in), health insurance, welfare pension, and employment insurance, each calculated differently and each worth understanding on its own.
The Main Sections of a Typical Payslip
| Japanese Term | English | What It Covers |
|---|---|---|
| 総支給額 (Sou-shikyuu-gaku) | Gross pay | Your salary before any deductions |
| 控除 (Koujo) | Deductions | The section listing everything subtracted from your gross pay |
| 差引支給額 (Sashihiki-shikyuu-gaku) | Net pay | What actually gets deposited into your account |
The Deductions You’ll Generally See
| Deduction | General Notes |
|---|---|
| 所得税 (Income tax) | Withheld based on your income bracket; adjusted at year-end through 年末調整 (year-end tax adjustment) if you’re a standard employee |
| 住民税 (Resident tax) | Not deducted in your first year, since it’s based on the previous year’s income — this often surprises new arrivals when it appears starting the following year |
| 健康保険 (Health insurance) | Generally split between you and your employer if you’re enrolled in employer-based (社会保険) coverage |
| 厚生年金 (Welfare pension) | Also generally split between you and your employer |
| 雇用保険 (Employment insurance) | A smaller deduction that funds unemployment benefits and related programs |
⚠️ What Catches Foreign Residents Off Guard: Many new employees are surprised when resident tax suddenly appears as a new deduction starting in their second year in Japan, even though nothing about their job changed. This isn’t an error — it’s because resident tax is calculated on the prior year’s income and simply doesn’t apply yet in your first partial year of residency.
Year-End Tax Adjustment (年末調整)
If you’re a standard full-time employee, your employer generally handles a year-end reconciliation process called 年末調整, which adjusts for any over- or under-withholding of income tax throughout the year based on your actual circumstances (dependents, insurance premiums paid, etc.). This generally means most standard employees don’t need to file an individual tax return separately, though there are exceptions — for example, if you have income from multiple sources or specific deductions to claim.
A Real Payslip Experience
A friend of mine from Jordan ran into a recurring, if minor, issue with his payslips — he was occasionally charged deductions calculated as if he were a full employee rather than a student, which always required getting it corrected afterward. It was never a major problem, but it’s a good reminder to actually check your payslip each time rather than assuming the deduction category is automatically correct.
FAQ
Q: Why is my net pay so much lower than my contracted salary?
A: The combination of income tax, health insurance, pension, and (eventually) resident tax deductions can add up to a meaningful percentage of your gross pay — this is standard for employees generally, not something specific to foreign workers.
Q: Do I need to file my own tax return?
A: Most standard full-time employees don’t, since their employer handles the year-end adjustment — but certain situations (side income, specific deductions, income from multiple employers) may require you to file individually. If you’re unsure, checking with a tax professional is worth it.
Q: Can I request an English explanation of my payslip from my employer?
A: This varies by company — some HR departments are used to explaining this to foreign staff, others may not have English materials readily available. It’s a reasonable thing to ask for either way.
Your Payslip Understanding Checklist
- Identified the difference between gross pay and net pay on your payslip
- Understood why resident tax may not appear until your second year
- Confirmed whether your employer handles year-end tax adjustment or whether you need to file separately
- Kept payslips on file, since they’re often needed as proof of income for future applications (housing, credit cards, visa renewals)
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