Taxation of Non-Residents in Japan: Filing Obligations

Published on May 4, 2026 and written by Cyril Jarnias

Navigating the maze of tax obligations is a significant challenge for non-residents seeking to understand Japan’s requirements in this area. This country, renowned for its thriving economy and administrative rigor, imposes strict rules that can vary considerably depending on several factors such as the taxpayer’s status, the nature of their income, and the length of their stay. For expatriates, foreign investors, or simply individuals receiving income from Japan without residing there, it is essential to understand how to comply with local tax requirements to avoid penalties. This article sheds light on the various filing obligations and explores how to legally optimize the reporting of one’s income in one of the most complex tax environments in the world.

Understanding Tax for Non-Residents in Japan

Criteria for Tax Classification of Residents and Non-Residents

Under the Japanese Income Tax Law, individuals are classified as residents and non-residents.

• Resident: An individual who has an address in Japan or has resided in Japan continuously for more than one year.
• Non-Permanent Resident: Among residents, those without Japanese nationality whose total period of residence in Japan over the last 10 years is 5 years or less.
• Non-Resident: Refers to any person who does not meet the above conditions (i.e., has no address or continuous residence of more than one year in Japan). The determination is made by comprehensively considering the place of living, asset situation, family situation, etc.

Scope of Taxation and Main Categories Affected

Taxpayer Category	Taxable Income
Resident (Permanent)	All domestic and worldwide income
Non-Permanent Resident	Japan-source income + certain foreign-source income
Non-Resident	Only Japan-source income

Main Taxable Japan-Source Income for Non-Residents

• Real Estate Rental Income: 20.42% withholding tax
• Stock Dividends, etc.: 15.315% (listed shares), 20.42% (others)
• Salary for Work Performed in Japan: 20.42%
• Fees or Remuneration, One-time Payments, etc.: Generally 20.42%

* Depending on the type of income or the existence of a permanent establishment (PE), the taxation method or filing requirement may vary.

Taxation Method and Filing Process

In many cases, a certain percentage is withheld at the time of payment, which settles the payment obligation. However, in some cases, such as gains from the sale of real estate, the final tax amount is adjusted via a tax return.

Overview of the Tax Filing Process:

• Deadline: Generally, by March 15 of the following year
• Required Documents:
  • Income proof documents (e.g., withholding statement, real estate sales contract)
  • Expense receipts
  • Personal identification documents
  • Tax Representative Appointment Declaration (if residing abroad)

Even after moving abroad, the tax representative system allows for proxy filing for Japan-source income. A tax return is necessary to adjust surpluses or deficits, such as those related to capital gains from real estate sales.

Avoiding Double Taxation through Tax Treaties

Japan has concluded treaties with many countries to prevent double taxation (DTAs). Thus, if you come from a country with a tax treaty or are an expatriate resident of Japan, the provisions agreed upon between the countries take precedence. For example, unless there is a permanent establishment, business profits are generally not taxed in Japan, whether for corporations or individuals. Exemption provisions also exist for dividends, interest, royalties, etc.

Specific Impact on Expatriate Residents/Detached Workers:

• Even if the salary is paid by the home company, if the workplace is abroad, that portion of the salary is generally not taxable in Japan.
• The expatriates themselves / their families may, depending on the length of stay, transition to non-permanent resident or non-resident status, reducing their tax liability in Japan. However, double-checking with the local country is necessary.

Income Type	Taxation Trigger	Tax Rate	Main Documents to Submit
Real Estate Rental	Presence in Japan	20.42%	Tax return, real estate documents
Dividend	Shares of Japanese company	15.315% to 20%	Dividend calculation details
Capital Gain	Sale of real estate/shares	Approx. 15% to 20% (depending on type)	Sales contract/brokerage fees/acquisition cost proof
Salary	Work in Japan	20.42% (in principle)	* If a tax treaty applies, a lower special reduction rate may apply.

Key Points: To avoid errors in judgment criteria and procedures, collaboration with local accountants or experts and consultation of the latest resources in Japanese and English is recommended.

The Effects of Double Taxation for Expatriates in Japan

Definition of Double Taxation and Its Financial Impact on Foreign Expatriates

Double taxation refers to the phenomenon where an individual or entity is taxed multiple times on the same income due to independent taxation by different countries on the same income or transaction. For foreign expatriates residing in Japan, it can happen, for example, that they are liable for personal income tax or corporate profit tax in both their home country and Japan.

For individuals, the scope of taxation depends on classification as a resident or non-resident, determining whether worldwide income or domestic-source income is taxable. If a person plans to work abroad for more than one year and becomes a non-resident of Japan, in principle, only the Japanese domestic source is relevant. For a Japanese resident, worldwide income is taxable. If the same treatment is applied in the home country, the risk of double taxation on salaries, etc., may arise.

At the corporate level, profit distribution, dividends, and royalties of multinationals can also be subject to corporate tax and withholding tax in both countries, which can lead to an increase in the effective tax rate and put pressure on cash flow.

Mechanism of Japan-Foreign Double Taxation Prevention Conventions (Tax Treaties)

To resolve these issues, Japan has concluded tax treaties (double taxation prevention conventions) with many foreign countries. These treaties stipulate that:

• only one of the parties or a limited scope has the right to tax certain types of income,
• clear delimitations based on the source and enjoyment criteria of each income,
• measures for reduction or exemption for dividends, interest, royalties, etc.

For example, according to the 183-day rule, short-term travelers may, under certain conditions of local stay, be taxed only in their home country and benefit from an exemption in the local country. Additionally, Japan also has a foreign tax credit system that allows deducting from the amount payable in Japan the tax amounts already paid abroad of a similar nature.

Examples of Concrete Challenges and Practical Advice

The main problems foreign expatriates may face include:

• In case of a change of plan such as an extension of the residence period: change of status (resident/non-resident) during the first year requiring filing according to different classifications (dual status)
• Head office salary + local salary: assessment of the need for separate or combined filing and obtaining the various required certificates
• Error in applying tax treaties: risk of higher tax adjustment due to delays or misunderstandings

To deal with these situations, it is important to:

• Absolutely verify the tax liability regime for yourself and your family before, during, and after the assignment
• Strengthen collaboration with experts on both sides, local and head office (accountants/tax advisors)
• Prepare early and meticulously the tax treaty filing documents and various supporting documents (employment contract, residence permit, proof of payment, etc.)

Furthermore, when using the foreign tax credit, attention must be paid to rigorous record-keeping and adherence to deadlines, as it relies on income tax returns and may have become complex.

The Long-Term Double Taxation Problem – Impact on the Labor Market and Location Choice

An excessive double taxation burden can lead to:

• reducing attractiveness for highly skilled foreigners (reduction in net perceived income)
• influencing the decision of multinational headquarters to establish operations in Japan by diminishing the relative appeal of the Japanese market

Paradoxically, with the expansion of the Japan-foreign tax treaty network and the recent introduction of new models adapted to the digital economy, diligent policies could mitigate these concerns and thus maintain and improve competitiveness. However, due to the persistent complexity of various procedures, lack of transparency, and their potential impact on talent mobility, strategic human resource planning requires careful monitoring of recent legislative developments and careful prior simulations.

Practical Guide to Filing Your Tax Return in Japan

Affected Non-Residents and Scope of Taxation

• An individual who does not have an address or domicile in Japan for more than one year is considered a non-resident and, in principle, only Japan-source income (e.g., salary received in Japan, real estate income, dividends, etc.) is taxable.
• Foreign income is excluded from tax liability in Japan. Please also check the status of bilateral tax treaties, such as the one between Japan and the United States.

Required Filing Documents

• Tax Return Form B (first and second sheets) – There is no specific form for non-residents, but the tax manager section is used for proxy submission.
• Tax Manager Appointment Declaration – Required before leaving Japan or upon the first filing. You can choose from Japanese residents, a relative, a friend, a company, or a professional to be the tax manager.
• Additional Documents Depending on Income Type:
  • Real Estate Rental: Lease agreement, rent payment details
  • Stock Sale: Transaction statement
  • Withholding Certificate (received from the payer entity)

Type	Example of Required Supporting Documents
Domestic Real Estate Income	Copy of lease agreement, land registry extract
Dividends/Stock Sale Gains	Transaction details issued by the brokerage firm
Income with Withholding Tax	Payment note and withholding certificate
Regarding Deductions	Medical expense receipts, life insurance deduction certificate
Deduction for Remittances Abroad	Bank transfer details, proof of payment abroad

※ To benefit from the dependent deduction, family relationship, remittance relationship, etc., various verification documents and their translation into Japanese are necessary.

Online/Paper Filing Procedures

In principle, electronic filing via e-Tax is not possible from abroad. My Number card authentication is not supported.

Using the tax manager system leads to a paper submission in Japan.

Procedures:

1. Gather the necessary information and attached documents, and prepare the entire return yourself or with an accountant/consultant
2. Mail it to the resident tax manager in Japan
3. The tax manager submits it to the competent tax office, either in person or by mail

※ Determination of the competent office based on place of residence, property location, etc.

Deadlines to Meet

• From February 16 to March 15 each year (for the following year)
• Extension possible to the next business day if it falls on a weekend

Situation	Submission Location
Same address as family	Competent office according to the address in question
Property owner	Competent office according to the property location
Other	Office used until the previous year

*Exceptions may exist, such as the Kojimachi office, depending on detailed conditions.

Common Mistakes to Avoid

• Failure to register or change the tax manager
• Lack of attachments related to deductions (medical expenses/dependents/payments abroad)
• Forgetting the possibility of a refund even after withholding tax
• Erroneous submission to a non-competent office or delay in deadlines

How to Get Help and Tips for Using Resources

• Consultation with a Professional: Hire a certified public accountant in Japan, a certified financial planner, or a local accounting firm with experience in international matters.
• Official Website of the National Tax Agency (NTA): The filing specialty page offers the latest downloadable forms and a well-developed FAQ.
• Consular Section of Embassies: Information in Japanese and English, as well as on international tax treaties.
• SNS/Community: Many experience reports are published on popular forums for Japanese living abroad.

Key Points Specific to Non-Residents and List of Applicable Deductions

Item	Content Summary
Basic Deduction	¥480,000 applicable to everyone without exception. However, not applicable in case of separate withholding taxation.
Dependent Deduction	Official documents proving family relationship, remittance, student visa, etc., with translation required.
Exemption of Foreign Income or Foreign Tax Credit	Applicable only for regions under a double taxation prevention convention (proof of tax paid abroad required). Detailed estimation necessary.
Deductions for Medical Expenses/Donations and Others	Bank transfer and recipient receipt are required in case of expense advance by the person.
Loss Carryforward	Generally not allowed (limited to certain losses like real estate sales)
Housing Loan Tax Credit	Generally not allowed (granted under certain conditions, including temporary stays)

• Even for non-residents, there is an obligation to file taxes on Japan-source income (e.g., real estate, stocks, dividends).
• e-Tax is generally not usable from abroad → Using the resident tax manager system in Japan is the realistic solution.
• Be mindful of missing documents or attachments (especially concerning deductions); it is recommended to use the NTA website for up-to-date information and consult a professional if clarifications are needed.