Japan Cross-Border Tax Guide 2026 — Residence, DTA Network & Foreign Income

Overview — Three Categories of Tax Liability

Japan classifies individuals into three categories that determine how much of your income is taxable:

👉 Permanent Resident (永住者): Taxed on worldwide income — all income from both Japanese and foreign sources. Includes Japanese citizens and foreign nationals with a domicile (住所, jūsho) in Japan for 5+ years.

👉 Non-Permanent Resident (非永住者): Taxed on Japanese-source income + foreign-source income that is remitted (brought into) Japan. Foreign-source income left outside Japan is not taxed. This status applies to foreign nationals with a Japanese domicile for ≤5 years.

👉 Non-Resident (非居住者): Taxed only on Japanese-source income. No tax on foreign-source income, regardless of remittance. Applies to those without a Japanese domicile or who have been in Japan for less than 1 year.

Determining Residency — 183-Day + 1-Year Rule

Japanese tax residency is based on two concepts: domicile (住所, jūsho) and presence (居所, kyosho):

👉 Domicile (住所): The center of your life — where you have your primary residence, family, and economic interests. If you have a jūsho in Japan, you are a tax resident. Factors considered: owning or long-term renting a home, having a spouse/children in Japan, maintaining a jihatsu (registered seal) and bank accounts, and intention to stay indefinitely.

👉 Presence (居所): If you do not have a jūsho but maintain a continuous presence in Japan, you become a resident. The 1-year rule: if you stay in Japan for 1 year or more (with intent), you establish a kyosho and become a tax resident.

👉 183-Day Rule: Japan's domestic law does not use a strict 183-day test (unlike many countries). However, tax treaties typically use the 183-day rule for employment income: if you work in Japan for fewer than 183 days in a 12-month period, and certain conditions are met, the income may be taxable only in your home country.

👉 Practical Application: If you arrive in Japan and intend to stay for more than 1 year, you are a resident from day one. If you stay for 12+ months continuously, you are definitely a resident. Short-term assignments under 1 year (without establishing domicile) may keep you as a non-resident, but the specific facts matter.

Permanent Resident vs Non-Permanent Resident

The distinction between permanent and non-permanent resident determines the scope of taxable income:

👉 Non-Permanent Resident (非永住者):

• Definition: A person who has a Japanese domicile but has not been a Japanese resident for more than 5 years in the last 10 years.
• Tax Scope: Japanese-source income (all types) + foreign-source income that is remitted to Japan (including assets brought from abroad). Foreign income left outside Japan is NOT taxed.
• Remittance Rule: If you transfer money from foreign-source income to Japan, that amount is taxable. The rule is complex — it applies to funds remitted from the specific foreign-source income, not just any money brought into Japan.
• Planning: Keep foreign income outside Japan. Do not remit foreign earnings to Japanese bank accounts. Use separate accounts for Japanese and foreign income.

👉 Permanent Resident (永住者):

• Definition: Japanese citizens, or foreign nationals who have been resident in Japan for more than 5 years in the last 10 years.
• Tax Scope: Worldwide income — all income from Japanese and foreign sources, regardless of remittance.
• No Remittance Rule: Foreign-source income is taxable whether or not it is brought into Japan. You must report all foreign income on your Japanese tax return.
• Exit Tax (出国税): Permanent residents with certain assets (JPY 100M+ in specified securities) may be subject to exit tax when they leave Japan.

Foreign-Source Income and Remittance Rules

The remittance rule for non-permanent residents is one of the most important planning concepts:

👉 What Is Foreign-Source Income: Income that arises outside Japan: employment income for work performed outside Japan, dividends from foreign companies, interest from foreign banks, rental income from foreign real estate, capital gains from foreign assets, and business income from foreign operations.

👉 What Triggers Remittance: Direct transfer of foreign-source income to Japan, indirect transfers (moving money from foreign accounts to Japanese accounts), using foreign-source income to purchase assets in Japan, or using foreign-source income to repay loans in Japan.

👉 Ordering Rule: If you have multiple sources of funds abroad, remittances are deemed to come first from foreign-source income (not principal or savings). This means you cannot easily "choose" which funds to remit — the tax agency assumes remittances are from taxable income.

👉 Practical Planning: Keep foreign-source income in a separate foreign bank account. Do not mix foreign income with pre-existing savings abroad. When bringing money to Japan, document that the funds come from non-taxable sources (e.g., principal, gifts, or income already taxed).

Japan's Double Taxation Agreement (DTA) Network

Japan has one of the world's largest networks of double taxation agreements, covering over 140 countries:

👉 Treaty Relief: DTAs can reduce or eliminate Japanese tax on certain types of foreign-source income, and provide foreign tax credits for tax paid abroad. Key provisions typically cover: business profits (PE threshold), dividends (reduced withholding), interest (reduced or zero withholding), royalties (reduced withholding), capital gains (taxable only in residence country for most assets), and employment income (183-day rule).

👉 Major Treaty Rates (2026):

• US-Japan Treaty: Dividends: 10% (portfolio) / 5% (10%+ corporate). Interest: 10% (or 0% for certain types). Royalties: 0%. Capital gains: generally resident-only taxation except real estate.
• UK-Japan Treaty: Dividends: 10% (portfolio) / 5% (10%+). Interest: 10%. Royalties: 0% for most. Pensions: residence-based taxation.
• Australia-Japan Treaty: Dividends: 10% (portfolio) / 5% (10%+). Interest: 10%. Royalties: 5%. Capital gains on real estate: source country taxation.
• Germany-Japan Treaty: Dividends: 15% (portfolio) / 5% (25%+). Interest: 10%. Royalties: 10%.

👉 Treaty Application: To claim treaty benefits, submit an Application Form for Income Tax Convention (租税条約に関する届出書) to the Japanese payer or tax office. Self-certification forms for CRS/FATCA compliance may also be required. Treaty benefits are not automatic — you must proactively claim them.

👉 Limitation on Benefits (LOB): Many Japanese treaties include LOB clauses to prevent treaty shopping. You must demonstrate sufficient economic substance and connection to the treaty country to claim benefits.

Exit Tax — 出国税

Japan imposes an exit tax on certain residents who leave the country with unrealized gains on specified assets:

👉 Who It Applies To: Permanent residents (including Japanese citizens) who hold JPY 100 million or more in specified securities (shares, bonds, certain investment trusts, and similar financial instruments). The tax applies when you cease to be a Japanese tax resident.

👉 What Is Taxed: Unrealized capital gains on specified securities are deemed to be realized at the time of departure (market value at departure minus acquisition cost). The gain is taxed at the standard capital gains rate (~20.315%).

👉 Exemptions: Securities held in a specific payment account (特定口座) by certain types of trusts may be exempt. The first JPY 100 million of securities is not subject to exit tax (only gains on securities above this threshold are taxed, and the tax is on the gain, not the value).

👉 Deferral: You can apply for deferral of exit tax by appointing a tax representative (納税管理人) in Japan and posting security. The tax is deferred until you actually sell the securities. If you re-enter Japan within 5 years, the deferral may be extended. Interest accrues on deferred amounts.

Non-Resident Taxation

Non-residents are taxed only on Japanese-source income, typically at flat rates:

👉 Employment Income: Work performed in Japan is taxable at a flat 20.42% (national + reconstruction income tax) plus 10% inhabitant tax (if applicable). The first JPY 500,000 of salary for certain short-term assignments (properly documented) may be exempt.

👉 Dividends: Japanese-source dividends to non-residents: 15.315% withholding (national tax) + 5% inhabitant tax = 20.315% total. Reduced under treaties (typically 10% or 15%).

👉 Interest: Japanese-source interest to non-residents: 15.315% withholding (national) + 5% inhabitant = 20.315%. Some types of interest (e.g., JGBs) may be exempt.

👉 Real Estate Income: Rental income from Japanese property: 20.42% withholding on gross rent (non-residents cannot deduct expenses). Capital gains on Japanese real estate: 15.315% + 5% inhabitant = 20.315% on the gain (higher for short-term holdings).

👉 Pensions: Japanese-source pension income to non-residents: 20.42% withholding, unless treaty provides otherwise. Government pensions may be exempt under treaties.

Moving to Japan — Practical Steps

When relocating to Japan, key steps affect your tax position:

👉 Determine Residency Status: Assess whether you are a permanent/non-permanent resident or non-resident based on your domicile, presence period, and intention. Keep records of your arrival date, lease agreement, and registration timeline.

👉 Register Residence: Register your address at the municipal office (市区町村役所) within 14 days of establishing residence. You will receive a Residence Certificate (住民票) and are enrolled in the National Pension and Health Insurance (if applicable).

👉 Tax Registration: If self-employed or a business owner, file a Notification of Commencement of Business (開業届) with the tax office. If employed, your employer handles payroll tax registration. Apply for a My Number (マイナンバー) card for tax and social insurance purposes.

👉 Open Bank Accounts: Open a Japanese bank account (口座) for salary and bill payments. Keep separate accounts for foreign income to manage remittance rules. Consider a foreign currency account to avoid automatic remittance.

👉 Review Treaty Position: Check whether your home country's treaty with Japan provides favorable treatment for your specific income types. File the necessary treaty application forms with your employer/payer.

FAQ

What is the difference between a permanent and non-permanent resident in Japan?

Permanent residents are taxed on worldwide income. Non-permanent residents (≤5 years in Japan) are taxed only on Japanese-source income plus foreign-source income remitted to Japan. Foreign income left outside Japan is not taxed for non-permanent residents.

How long until I become a Japanese tax resident?

You become a resident if you have a domicile (住所) or 1+ years of continuous presence. Practically, if you arrive intending to stay 1+ years, you are a resident from day one. The 183-day treaty rule is for employment income (not residency).

What is the 183-day rule for Japan?

The 183-day rule comes from tax treaties, not Japanese domestic law. If you work in Japan for fewer than 183 days in a 12-month period, and the employer is non-Japanese and has no Japanese PE, your salary may be taxable only in your home country.

How does the remittance rule work for non-permanent residents?

If you remit (bring into Japan) money from foreign-source income, that amount becomes taxable. The remittance includes direct transfers, purchases of assets in Japan, and repayment of loans in Japan. An ordering rule deems remittances to come from foreign-source income first.

What is Japan's exit tax?

Exit tax applies to permanent residents leaving Japan with JPY 100M+ in specified securities. Unrealized gains are deemed realized at departure, taxed at ~20.315%. Deferral is available by appointing a tax representative and posting security.

Does Japan have a tax treaty with my country?

Japan has DTAs with over 140 countries, including the US, UK, Australia, Germany, France, Canada, China, South Korea, India, Singapore, and most European/Asian nations. Check the National Tax Agency (NTA) website for the current treaty list.

How are non-residents taxed on Japanese income?

Non-residents pay a flat 20.42% withholding on most Japanese-source income (salary, dividends, interest, rent). No deductions allowed except where treaties provide otherwise. Inhabitant tax (10%) may also apply to certain income.

When does the 5-year non-permanent resident clock start?

The clock starts from the date you establish a Japanese domicile (usually your arrival date if you intend to stay long-term). After 5 years of residence in the last 10 years, you become a permanent resident for tax purposes, taxed on worldwide income.