How to File a Tax Return in Japan (確定申告)
The annual filing period runs February 16 to March 15. While most salaried employees have taxes handled through year-end adjustment, you may need to file if you have multiple income sources, are self-employed, earned over 20 million yen, or want to claim specific deductions for a refund.
| Situation | Filing Required? |
|---|---|
| Single employer, year-end adjustment done | Not required |
| Income over 20 million yen | Required |
| Two+ employers | Required |
| Self-employed | Required |
| Medical expenses over 100,000 yen | Optional (for refund) |
| Left Japan mid-year | Required (before departure) |
How to File
Online (e-Tax)
Use the NTA's e-Tax system with a My Number Card and smartphone or IC reader. Some English support is available.
Paper at Tax Office
Visit during filing period with income documents (源泉徴収票), deduction receipts, My Number, bank details, and seal. Arrive early — offices get crowded.
Free Consultation Events
Many municipalities hold multilingual tax consultation sessions in February–March. Check your city office website.
Documents Needed
- Withholding slip from each employer
- Medical/donation receipts
- My Number Card
- Bank account for refund
Q: What if I miss the March 15 deadline?
Late filing is possible with penalties (5–20% surcharge). Refund claims can be filed up to 5 years retroactively without penalty.
Q: Can I file in English?
e-Tax has limited English support. For complex cases, consider a bilingual tax accountant (税理士).
※ This article is for informational purposes only. Tax requirements change annually. Please consult the NTA or a tax professional.
