Understanding Income Tax In Japan For Foreigners: A Complete Guide

By Author: Ken Masaki
Total Articles: 8
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Expatriates, business clerks and foreign investors commonly travel to Japan. However, in Japan, the process of Income Tax taxation for Foreigners can be complicated due to classification and tax obligations based on residence.

If you are a short-term resident or long-term expatriate, you need to understand Japan’s income tax system, as the consequences of penalties and compliance can be severe.

On this page, let’s define the basics of Income Tax in Japan for Foreigners, the filing process and give you a few tips on getting your Income Tax Return done right in Japan.

Which Types of Income Taxes People Pay in Japan?

Working foreigners or foreigners earning income in Japan are taxed according to their residency status. There are three broad categories of taxpayers in Japan:

1. Non-Resident (Under 1 Year in Japan)

2. Taxed on only income sourced in Japan.

3. Foreign income does not need to be reported.

4. Resident (1 Year ≤ 5 Years)

Taxed income derived from Japan and on certain foreign-sourced income which ...
... is repatriated to Japan

Any income not brought into Japan is still tax-free.

Permanent Resident (over 5 years in Japan)

Taxed on worldwide income like Japanese nationals.

Understanding your residency status is important because it affects your tax obligations and may require you to declare foreign income.

Income Tax Rates in Japan

Japan has progressive income tax rates so that higher income is taxed at higher rates. As of 2024, the rates are:

1. 5%: Up to ¥1.95 million

2. 10%: ¥1,950,000 – ¥3,300,000

3. 20%: ¥3.3 million – ¥6,950,000

4. 23%: ¥6.95 million – ¥9 million

5. 33%: ¥9 million – ¥18 million

6. 40%: ¥18 million – ¥40 million

7. 45%: Over ¥40 million

Residents effectively have to pay local inhabitant tax, roughly 10% of their taxable income, on top of national tax.

How to File an Income Tax Return in Japan?

Most foreign workers in Japan have their taxes automatically deducted throughout the year in a process called year-end tax adjustment by their employer. Certain people are required to file an Income Tax Return in Japan, such as:

1. Self-employed individuals and freelancers.

2. Those with a side income of more than ¥200,000.

3. Foreign nationals who have departed Japan before the completion of the tax year.

4. Those who are claiming deductions in excess of what their employer pays.

The deadline for filing tax returns each year is March 15. You can do this via the e-Tax online system or file a paper return with your local tax office.

Foreigners’ Deductions and Tax Benefits

Income Tax in Japan for Foreigners may claim various deductions to lower their tax burden, including:

1. Dependent Deduction: If you provide financial support for family members.

2. Social Insurance Deductions: Payments for health, pension, and employment insurance.

3. Housing Refund: For property owners in Japan with a mortgage.

Conclusion

If you have to do so in Japan, there are some things to do like collecting important documents, knowing deduction details, and being aware of the deadline for the Income Tax return.

Professional tax advice helps suits achieve efficiency in this complex Japanese tax environment.