“My Japanese spouse has passed away. Can I inherit their assets in Japan as a foreign national?”
“One of the heirs lives overseas and does not speak Japanese. How can our family handle the bank and property procedures?”
After losing someone close, families often face unfamiliar paperwork before they have had time to grieve. For a foreign spouse or an heir living outside Japan, language barriers and differences between legal systems can make that burden even heavier.
Under Japan’s conflict-of-laws rules, inheritance from a Japanese national is generally governed by Japanese law. Foreign nationality alone does not prevent a spouse or family member who qualifies as an heir from inheriting. The practical challenge is often establishing the relevant facts and completing the procedures required by each institution.
Seiwa Legal Office supports families where the deceased was Japanese and one or more heirs are foreign nationals. Emi Suehiro, a Japanese judicial scrivener and administrative scrivener, communicates directly in English, Japanese and Chinese.
Can a foreign spouse or child inherit assets in Japan?
A legally married spouse or a child who qualifies as an heir under the applicable law is not excluded simply because they hold a foreign passport. Living overseas is also a separate question from whether a person has inheritance rights.
The family relationships, any will, the other heirs and the arrangements for distributing the estate must still be examined. A foreign spouse does not necessarily inherit the entire estate, and the appropriate documents depend on the circumstances.
If the deceased also owned assets outside Japan, local rules and procedures may need to be considered. Japanese law governing succession does not mean that Japanese documents alone will be sufficient in every country.
Why are inheritance procedures more complex when an heir is a foreign national?
Japanese family registers may not provide all the necessary evidence
Japan’s family register, or koseki, plays an important role in establishing family relationships for inheritance procedures. Foreign nationals do not have a Japanese family register of their own in the same way as Japanese nationals.
A Japanese register may record a marriage to a foreign spouse, but additional evidence may still be needed for a particular procedure. Foreign marriage or birth certificates, identity documents and other records must be assessed for what they actually establish.
This involves more than translating the words on a page. The documents need to support the facts that the Japanese institution must verify.
Signatures, addresses and overseas documents require individual review
An heir registered as a resident in Japan may be in a different position from an heir living overseas who cannot obtain a Japanese seal registration certificate. Depending on the procedure, alternative evidence of a signature or address may need to be considered.
The relevant documents, translations and authentication requirements depend on the heir’s circumstances and the receiving institution. A document accepted by a bank is not automatically sufficient for a property registration or an insurance claim.
Identifying these differences early can reduce the need to obtain new documents or arrange another overseas signing later.
The Legal Inheritance Information Certification System may not be available
General guides often recommend obtaining a certified list of legal heirs through the Legal Affairs Bureau. However, official guidance states that this system is unavailable where the required Japanese family-register records cannot be submitted, including relevant cases involving a deceased person or heir without Japanese nationality.
For a family with foreign heirs, eligibility must therefore be checked before relying on this system. Supporting evidence of the inheritance relationships may need to be organised separately for each institution.
Bank accounts, real estate, insurance and pensions need coordinated attention
An estate rarely involves just one office or one set of forms. Different assets and benefits lead to different institutions, each with its own requirements.
- Bank accounts and securities: confirming the relevant institutions and organising documents for their inheritance procedures.
- Japanese real estate: reviewing the registered ownership and relevant records, and handling inheritance registration.
- Life insurance: checking the policy and beneficiary arrangements and organising evidence for a claim.
- Pensions and related benefits: identifying the relevant enquiries and coordinating with a social insurance and labour consultant where specialist claims support is needed.
- Inheritance tax: coordinating records and progress with the tax accountant responsible for tax advice and filing.
- Overseas matters: reviewing requirements for Japanese certificates, translations and authentication for use abroad.
Life insurance proceeds, unpaid pension benefits and survivor benefits do not necessarily belong to the estate for distribution in the same way as the deceased’s other assets. Being an heir and being entitled to claim a particular benefit are different questions.
Within the agreed scope of our engagement, we help organise the documents and progress across these matters, with clear responsibilities for Seiwa Legal Office and any other professionals involved.
When Japanese documents must be used overseas
A family may need to prove a death or family relationship to an overseas insurer, bank or public authority. Documents used for Japanese inheritance procedures may not satisfy that overseas institution’s requirements.
The purpose of the document, the need for an original, the translation language and any notarisation or legalisation requirements must be considered for the destination concerned. There is no single authentication process suitable for every country and every document.
Connecting the Japanese records with the requirements of an overseas institution is another important part of supporting an international family.
How Seiwa Legal Office supports international families
Direct explanations in English, Japanese and Chinese
Estate documents and authorisations should be understood by the people signing them. Emi Suehiro explains the relevant procedures directly in English, Japanese or Chinese, so that heirs can ask questions and understand what they are being asked to decide.
Japanese relatives can communicate in Japanese, while overseas heirs can communicate in English or Chinese. This helps reduce the translation burden on one family member and the misunderstandings that can arise when explanations pass through several people.
Property registration and related paperwork considered together
As both a judicial scrivener (shiho-shoshi) and an administrative scrivener (gyosei-shoshi), Emi Suehiro handles Japanese inheritance registration and related document work within the scope of each qualification and engagement.
We consider why a record is needed, which institution will receive it and how it relates to the other procedures. Overseas heirs can also begin with an online consultation, subject to the identity checks and document requirements of the particular matter.
Clear coordination with other professionals
Inheritance tax advice and returns are handled by a tax accountant. Specialist pension claims may require a social insurance and labour consultant. Disputes and negotiations between heirs may require an attorney.
We help identify the appropriate division of work and organise the information needed for coordination. Foreign nationality or overseas residence does not, by itself, mean that Japanese inheritance tax is inapplicable. A surviving spouse’s Japanese residence status may also require separate consideration, depending on their status and circumstances.
Our aim is to make the overall situation easier to understand, while keeping each professional’s responsibilities clear.
Fees and timing depend on the work required
A request limited to registering inherited real estate is different from an engagement involving several banks, foreign documents, translations, overseas certificates and coordination with other advisers.
Timeframes also depend on document availability, overseas signing arrangements, original-document delivery and institutional reviews. We explain the proposed scope, professional fees, expenses and expected arrangements after reviewing the family’s circumstances.
You do not need to have every document ready before contacting us. A brief account of the deceased’s nationality, the heirs’ nationalities and countries of residence, the known assets, any will and your immediate concerns is a useful starting point.
Frequently asked questions
Can a non-Japanese spouse inherit from a Japanese husband or wife?
Yes. A legally married spouse is not excluded from inheritance solely because they are a foreign national. The specific entitlement depends on the family relationships, other heirs, any will and the applicable legal rules.
Can I receive support while living outside Japan?
Yes. Seiwa Legal Office accepts enquiries from overseas heirs. However, some procedures may require original documents or signing and authentication arrangements abroad; not everything can necessarily be completed online.
Can you help coordinate bank procedures, property registration and tax advisers?
Yes, depending on the agreed scope and the matter involved. We clarify the work we undertake and the work assigned to other qualified professionals. Tax advice and filings remain the responsibility of the tax accountant.
Do I need a Japanese-speaking relative to translate for me?
You can communicate directly with Emi Suehiro in English, Japanese or Chinese. We can also communicate with Japanese relatives and institutions in Japanese as needed for the engagement.
Losing a family member is difficult enough without having to navigate unfamiliar legal systems alone. Seiwa Legal Office provides clear explanations and careful coordination to help international families move forward with inheritance matters in Japan.
Seiwa Legal Office
Emi Suehiro — Judicial Scrivener & Administrative Scrivener
Direct support in English, Japanese and Chinese
Explore our English legal services
Japanese article: 日本人が亡くなり、相続人が外国人の場合
Official references
- Act on General Rules for Application of Laws, Article 36 (Japanese)
- Legal Affairs Bureau: Legal Inheritance Information Certification System (Japanese)
- National Tax Agency: When an heir lives outside Japan (Japanese)
This article provides general information. The appropriate approach depends on the family relationships, assets, nationalities, places of residence and requirements of the institutions involved.