Inheritance & wills in Japan

The Japanese Civil Code (民法, Book V) governs succession. Muslim community ~230,000 (Indonesian, Pakistani, Bangladeshi, Turkish, Malaysian, Iranian, Arab professionals + students; concentrated in Tokyo, Osaka, Nagoya). No sharia jurisdiction; Japanese law applies to all Japan-situated property regardless of nationality (though foreigners can choose the law of their nationality under the Application of Laws Act, Article 36).

Three main forms: (1) jihitsu shousho igon (自筆証書遺言) — entirely handwritten, signed, sealed, dated; (2) kosei shousho igon (公正証書遺言) — notarised at a Notary Office (kōshō yakuba) with 2 witnesses — the safest and most-used; (3) himitsu shousho igon (秘密証書遺言) — secret sealed will.

Notarised wills stored at the Notary Office + centrally searchable via the Japan Federation of Notaries. Since 2020, handwritten wills can be deposited with the Legal Affairs Bureau (Homukyoku) for a small fee.

2 adult witnesses for notarial and secret wills; cannot be relatives, spouses of the notary, or beneficiaries.

Iryūbun (遺留分): spouse and children receive 1/2 of the intestate share as a guaranteed minimum; parents receive 1/3 if no descendants exist. Iryūbun claims must be made within 1 year of learning of the will.

No formal probate. Heirs execute a written Inheritance Division Agreement (isan bunkatsu kyōgisho) among themselves. Contested cases go to Family Court mediation.

For foreign-national Muslims, invoking Article 36 of the Application of Laws Act via explicit will clause is the standard route to apply faraid. Islamic Center Japan (Setagaya) provides scholarly review and Japanese-language wasiyyah templates.

• Real estate in Japan (esp. inherited) is subject to inheritance tax up to 55% — plan liquidity BEFORE death; no post-mortem rescheduling.
• A jihitsu (handwritten) will not deposited with the Legal Affairs Bureau can be quietly destroyed — always deposit or notarise.

• Japan Federation of Notaries (日本公証人連合会)
• Islamic Center Japan (東京)
• Japan Muslim Association (日本ムスリム協会)

• Is Islamic inheritance (faraid) legally recognised in Japan?

  The Japanese Civil Code (民法, Book V) governs succession. Muslim community ~230,000 (Indonesian, Pakistani, Bangladeshi, Turkish, Malaysian, Iranian, Arab professionals + students; concentrated in Tokyo, Osaka, Nagoya). No sharia jurisdiction; Japanese law applies to all Japan-situated property regardless of nationality (though foreigners can choose the law of their nationality under the Application of Laws Act, Article 36).

• What makes an Islamic will (Wasiyyah) legally valid in Japan?

  Three main forms: (1) jihitsu shousho igon (自筆証書遺言) — entirely handwritten, signed, sealed, dated; (2) kosei shousho igon (公正証書遺言) — notarised at a Notary Office (kōshō yakuba) with 2 witnesses — the safest and most-used; (3) himitsu shousho igon (秘密証書遺言) — secret sealed will.

• Where do I register my will in Japan?

  Notarised wills stored at the Notary Office + centrally searchable via the Japan Federation of Notaries. Since 2020, handwritten wills can be deposited with the Legal Affairs Bureau (Homukyoku) for a small fee.

• Does Japan have forced-heirship rules that override an Islamic will?

  Iryūbun (遺留分): spouse and children receive 1/2 of the intestate share as a guaranteed minimum; parents receive 1/3 if no descendants exist. Iryūbun claims must be made within 1 year of learning of the will.

• How does probate work in Japan?

  No formal probate. Heirs execute a written Inheritance Division Agreement (isan bunkatsu kyōgisho) among themselves. Contested cases go to Family Court mediation.

• How many witnesses do I need for a will in Japan?

  2 adult witnesses for notarial and secret wills; cannot be relatives, spouses of the notary, or beneficiaries.

• What are the most common Islamic-will pitfalls in Japan?

  Real estate in Japan (esp. inherited) is subject to inheritance tax up to 55% — plan liquidity BEFORE death; no post-mortem rescheduling. A jihitsu (handwritten) will not deposited with the Legal Affairs Bureau can be quietly destroyed — always deposit or notarise.