Skip to main content

⚠️ 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 flagJapan 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.

Witness Requirements: Notarial: 2 witnesses. Secret: 2 witnesses + notary. Holographic: none
Holographic Wills:Handwritten wills may be recognised

Inheritance Tax in Japan

Tax Rate: 10-55%
Tax Threshold: 194,000 USD
Unlimited or minimum ¥160 million for spouses

Related Resources

Estate Planning Information for Japan

This guide is for information only. We don’t yet have coverage for Japan. Register your interest below and we’ll let you know when coverage becomes available, or find a qualified professional for advice on your circumstances.

Discuss This in the Community

Have questions about this topic? Join the discussion in our community forum. Get answers from verified professionals and other members.

We use cookies to improve your experience. See our Cookie Policy (opens in a new tab) for details.