Country filing guide
US Expat Taxes in Japan
Quick answer
What living in Japan changes—and what it does not
Your country matters, but it does not answer every U.S. tax question by itself. Use this map to identify the next fact to verify before relying on a filing strategy.
| Question | What to verify | Next step |
|---|---|---|
| U.S. filing | Country of residence is not the only question. Check filing status, income type, thresholds, and the tax year. | Read the filing guide |
| Foreign earned income | FEIE analysis turns on foreign earned income, tax home, and either the Physical Presence or Bona Fide Residence test. | Check FEIE basics |
| Tax paid abroad | FEIE and the Foreign Tax Credit are different tools. Compare them before assuming one is better for your facts. | Compare FEIE and FTC |
| Foreign accounts | FBAR and FATCA are separate reporting questions. Account ownership, signature authority, and balances can matter. | Check account reporting |
Income Tax Treaty
Yes
Tax System
worldwide
Social Security
Agreement in force
FEIE Qualification in Japan
Physical Presence Test
Japan is geographically distant from the US, making the 330-day test easier to meet. However, business trips to the US and home visits must still be tracked. Japan's strict immigration system means your visa status is well documented.
Bona Fide Residence Test
A Japanese residence card (zairyu card), registration at city hall (juminhyo), and a My Number (individual number) strongly support bona fide residence. Japanese tax filings (kakutei shinkoku) provide additional evidence.
Common residence and visa routes
Japan Tax System
Taxes residents on their worldwide income, regardless of where it is earned.
Tax Rates
National progressive rates: 5% to 45%, plus flat 10% local inhabitant tax (prefectural + municipal), plus 2.1% reconstruction surtax on national tax
A U.S.–Japan Social Security agreement is listed as in force. Coverage depends on where and how you work.
US-Japan Tax Treaty
Treaty signed: 2003
Key Provisions:
- Zero withholding on dividends for 10%+ corporate ownership, 10% otherwise
- Zero withholding on interest payments
- Pension income taxed only in country of residence
- Reduced royalty withholding rate of 0%
Banking & FBAR in Japan
Major Banks (JPY)
FBAR Reminder
All Japanese bank accounts, including yucho (postal savings), brokerage accounts, and insurance products with cash value must be reported on FBAR if aggregate balances exceed $10,000. Japanese nenkin (pension) accounts may also be reportable.
FATCA Compliance
Japan signed a Model 2 IGA with the US in 2013, meaning Japanese banks report directly to the IRS (not through Japanese tax authorities). Major Japanese banks comply with FATCA but may require additional documentation from US citizens.
Common Pitfalls for Americans in Japan
Japan's combined tax rate (national + local + reconstruction surtax) can exceed 55%, making tax planning critical
Japanese iDeCo and NISA accounts are not recognized as tax-advantaged by the IRS
The 5-year and 10-year rules for non-permanent resident taxation create complex transition periods
Japanese exit tax on unrealized gains (over ¥100 million in assets) applies when leaving Japan
Local inhabitant tax is assessed on January 1 each year and billed through the following June - timing departures is important
Cost of Living Overview
Monthly Estimate
$2,000-$3,500
vs. U.S.
Comparable to mid-tier US cities; Tokyo comparable to major US metros
Notes
Tokyo is expensive for housing but daily living costs (food, transport) are reasonable. Other cities like Osaka, Fukuoka, and Sapporo are significantly cheaper. Japan's national health insurance is comprehensive and affordable.
Your next decision
Filing from Japan? Start with the question you can answer now.
Country rules are only one part of the analysis. Use the right starting point for your facts, then move to a reviewed filing path when the decision depends on details.
Estimate FEIE fit
Use the basic calculator to frame the Physical Presence and Bona Fide Residence questions.
Open next stepCheck foreign-account reporting
Review the account facts that can point to FBAR or FATCA reporting before you file.
Open next stepGet a fact-specific path
Not sure whether FEIE, the Foreign Tax Credit, or another filing path fits? Book a consultation.
Open next stepFAQ: U.S. Taxes in Japan
How high are total taxes in Japan for US expats?
Japan's combined tax burden can be very high: up to 45% national income tax, plus approximately 10% local inhabitant tax, plus 2.1% reconstruction surtax. Effective rates can exceed 55% for high earners. The good news is these high rates generate substantial Foreign Tax Credits that typically eliminate US tax liability.
Are my Japanese NISA and iDeCo tax-free for US purposes?
No. Japan's NISA (Nippon Individual Savings Account) and iDeCo (individual defined contribution pension) are not recognized as tax-advantaged by the IRS. Income earned inside these accounts is taxable on your US return. NISA investments may also trigger PFIC (Passive Foreign Investment Company) reporting if they hold Japanese mutual funds.
What is Japan's exit tax and does it affect Americans?
Japan imposes an exit tax on unrealized capital gains for individuals who hold over ¥100 million in financial assets and have lived in Japan for 5+ of the last 10 years. If you leave Japan, you may owe tax on unrealized gains. This tax may be creditable on your US return if you subsequently realize those gains.
How does the US-Japan totalization agreement work?
The agreement prevents double Social Security/Nenkin contributions. US workers temporarily assigned to Japan (up to 5 years) remain on US Social Security. Locally employed workers contribute to Japanese Nenkin. Credits from both systems can be combined. This is particularly valuable since Japan requires 10 years of contributions for pension eligibility.
When should I use FEIE vs. FTC in Japan?
Given Japan's very high combined tax rates, the Foreign Tax Credit is almost always more advantageous. Japanese taxes typically far exceed US taxes on the same income, generating excess FTC carryovers. The FEIE might help if you have significant US-source income alongside modest Japanese income.
Check the current official rules
Use the IRS for U.S. international-filing guidance, Treasury for income-tax treaty documents, and the Social Security Administration for agreements currently in force.
A records-first U.S. filing map for Japan
Residence and the U.S. filing starting point in Japan
A U.S. citizen or green-card holder generally continues to analyze U.S. worldwide-income filing while living in Japan. Local residence is a separate question. Start a year-by-year timeline that identifies arrival, visa or residence status, days present, homes available, work performed, family location, local registration, and departure or renewal dates. Japan is geographically distant from the US, making the 330-day test easier to meet. However, business trips to the US and home visits must still be tracked. Japan's strict immigration system means your visa status is well documented. A Japanese residence card (zairyu card), registration at city hall (juminhyo), and a My Number (individual number) strongly support bona fide residence. Japanese tax filings (kakutei shinkoku) provide additional evidence. Do not treat a visa label or a local tax number as a substitute for the U.S. return analysis.
FEIE and earned income for Americans in Japan
The Foreign Earned Income Exclusion applies only to qualifying earned income and requires the relevant tax-home and presence or residence test. Salary, self-employment receipts, and services performed abroad need a work-location record. Pensions, Social Security, dividends, interest, rent, and capital gains need separate treatment. Track every trip to the United States, including partial days where the current rules count them, and preserve the residence evidence behind a bona fide claim. Compare the FEIE with the Foreign Tax Credit rather than assuming the exclusion is best.
The Japan local tax system and the U.S. return
Japan is described in the country record as having a worldwide tax system, with local-rate context of National progressive rates: 5% to 45%, plus flat 10% local inhabitant tax (prefectural + municipal), plus 2.1% reconstruction surtax on national tax. The local result may depend on residence, source, remittance, employment, business activity, and the tax year. Preserve the local registration, return, assessment, payment receipt, withholding records, and any refund. A local exemption or reduced rate can change the foreign taxes available for a U.S. credit; it does not generally turn off U.S. citizenship-based reporting.
Treaty and social-security questions for Japan
The country record currently marks the U.S.–Japan income-tax treaty as present, signed in 2003. Its listed provisions should be checked against the current treaty text, protocol, saving clause, and residence facts. Social-security coordination is recorded as an agreement in force. Do not use a treaty headline to decide a pension, employment, self-employment, or state result without identifying the exact article and tax year.
Banks, accounts, and FATCA in Japan
All Japanese bank accounts, including yucho (postal savings), brokerage accounts, and insurance products with cash value must be reported on FBAR if aggregate balances exceed $10,000. Japanese nenkin (pension) accounts may also be reportable. Japan signed a Model 2 IGA with the US in 2013, meaning Japanese banks report directly to the IRS (not through Japanese tax authorities). Major Japanese banks comply with FATCA but may require additional documentation from US citizens. Build one account inventory with the legal owner, joint owners, signature authority, institution, account type, currency (JPY), maximum value, year-end value, and closure date. Compare it with the current FBAR and Form 8938 instructions. A foreign bank’s FATCA request is a documentation issue, not automatically an IRS assessment. Keep bank correspondence and secure records separate from the U.S. income calculation.
Income source and work-location records
For an employee, contractor, or business owner in Japan, record where services were physically performed, which entity paid, where the customer or employer is located, and where the work was managed. A Japan payer does not automatically make every item foreign-source, and a U.S. payer does not automatically make services U.S.-source. Keep contracts, invoices, payroll, travel records, foreign withholding, local filings, and entity books. Separate personal income, business income, distributions, and investment returns before applying a credit or exclusion.
Pensions, funds, and savings products from Japan
Ask whether a local pension, insurance policy, mutual fund, ETF, savings plan, or employer account is a pension arrangement, trust, foreign corporation, or another product for U.S. purposes. The local label may not answer the U.S. classification. Preserve plan documents, investment menus, annual statements, distributions, beneficiary records, and any annual information statement. If the product contains foreign pooled funds, screen Form 8621 and PFIC questions. If it is a pension, review treaty and Form 8938 questions separately from current income.
Residence routes and documentation in Japan
Common residence routes in the country record include Engineer/Specialist in Humanities Visa, Highly Skilled Professional Visa, Spouse Visa, Business Manager Visa. For each route, preserve the application, approval, renewal, local address, work permission, health coverage, and evidence of actual use. A residence permit may support a bona fide-residence analysis, but the taxpayer’s conduct and full-year facts still matter. If the taxpayer is a digital nomad, retiree, student, contractor, or family member, connect the visa record to the actual income and household timeline rather than relying on a visa marketing description.
Common Japan pitfalls to test before filing
Japan's combined tax rate (national + local + reconstruction surtax) can exceed 55%, making tax planning critical Japanese iDeCo and NISA accounts are not recognized as tax-advantaged by the IRS The 5-year and 10-year rules for non-permanent resident taxation create complex transition periods These are screening prompts, not conclusions. For each one, identify the year, owner, transaction, document, and form affected. Add gifts, inheritances, foreign entities, local funds, rental property, state ties, and IRS or bank notices to the same inventory. The country-specific articles linked from this record include fbar-requirements-americans-abroad, feie-vs-foreign-tax-credit, 2026-expat-tax-deadlines; use them to frame questions, then check the current primary sources.
A records-first annual workflow for Japan
Collect identity, residence, travel, income, account, pension, entity, local-tax, state, prior-return, and notice records. Classify each item, calculate the federal return, reconcile the foreign tax credit or FEIE, review FBAR and Form 8938 overlap, and compare the U.S. return with the local return. Save the final return, acceptance records, payment evidence, conversion rates, and unresolved issues for next year. Current official source material to check includes the current IRS, Treasury, and local authority sources. A paid consultation can turn the map into a written preparation scope before work begins.
Related Articles
U.S. Forms and Guides for Americans in Japan
Use these foundational resources to connect your Japan facts to the federal forms that may apply. The correct filing set depends on your income, accounts, residence, and ownership details.