⚠️ This guide was researched and updated in May 2026. Laws and regulations change frequently. For specific legal advice regarding your jurisdiction, please consult with local legal counsel.
Japan Will & Estate Planning Guide
Read about will creation and estate planning in Japan. This guide covers witness rules, probate processes and jurisdiction-specific considerations that may apply. Rules vary, so consult a qualified professional for advice on your circumstances.
Estate Planning in Japan at a Glance
Japan follows a civil law system with strong forced heirship rules (iryubun). The Civil Code guarantees minimum inheritance portions for spouses and children. Three types of wills are recognised, with holographic (jihi-shosho) being most common. The inheritance process involves Family Court and can be complex for international assets.
- Forced heirship (iryubun) guarantees 50% of estate to spouse/children
- Three will types: holographic, notarial, and secret
- Inheritance tax rates 10-55% with generous exemptions
- Spouse can inherit up to ¥160M tax-free
- Family Court oversees probate process
- International treaties may affect foreign residents
Will Requirements in Japan
Creating a will in Japan typically involves national rules and any local variations. Witness requirements, signing procedures and other formalities can vary by jurisdiction, so consult a qualified professional for advice specific to your circumstances.
Inheritance Tax in Japan
Related Resources
What Happens Without a Will?
Read about intestacy rules and how an estate may be distributed if you die without a will.
Global Inheritance Tax Guide
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Digital & Physical Will Signatures
How signing rules differ across jurisdictions and where digital signatures may be accepted.
Estate Planning Information for Japan
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