South Korea Inheritance Law for Foreigners: Intestate Rules, Spousal Shares, and Forced Heirship
South Korea Inheritance Law for Foreigners
If someone with assets in South Korea dies without a will, Korean civil law determines who inherits and how much they get. The system is rigid, math-driven, and substantially different from common-law countries like the US, UK, or Australia. Here is how it works.
Which Country's Law Applies
Under Article 77 of the Act on Private International Law, the default governing law is the national law of the deceased at the time of death — not where they lived or where their assets are located.
If a Korean national dies, Korean law governs the entire worldwide estate. If an American citizen dies with assets in South Korea, US law applies by default — but Korean courts may apply Korean law to assets physically located in South Korea through the doctrine of renvoi (redirecting choice of law back to the location of the assets).
A foreign national can designate Korean law in a valid will if they were habitually resident in Korea at the time of writing. This matters for tax planning, since different governing laws produce different heir distributions.
The Statutory Heir Rankings
When Korean inheritance law applies and there is no will, assets are distributed according to a strict hierarchy:
| Rank | Who Inherits | Notes |
|---|---|---|
| 1st | Children and grandchildren + surviving spouse | Spouse inherits jointly with this rank |
| 2nd | Parents and grandparents + surviving spouse | Only if no 1st-rank heirs exist |
| 3rd | Siblings | Only if no 1st or 2nd-rank heirs exist |
| 4th | Collateral relatives (4th degree) | Last resort before state escheatment |
The surviving spouse does not get a separate rank — they join whichever rank is active. If there are no descendants or ascendants, the spouse inherits everything, completely bypassing siblings.
The 1.5x Spousal Premium
Co-heirs of the same rank split the estate equally, except the spouse gets a 50% premium. If the deceased leaves a spouse and two children, the ratio is 1.5 : 1 : 1 — a total of 3.5 shares. The spouse receives 3/7 (about 43%) and each child receives 2/7 (about 29%).
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Yuryubun: The Forced Share System
Even with a valid will that leaves everything to a single person, disinherited statutory heirs can claw back a minimum share called the yuryubun (유류분):
- Spouse and children: entitled to 50% of their intestate share
- Parents: entitled to 33% of their intestate share
- Siblings: no longer protected — the April 2024 Constitutional Court ruling removed siblings from yuryubun protections
A forced share claim must be filed within one year of learning of the death and the offending gift, subject to a ten-year absolute limit from the date of death.
The Goo Hara Law (Article 1004-2)
Effective January 2026 and expanded in February 2026, this law allows the Family Court to strip inheritance rights from any heir who seriously breached their duty of support (for minor children) or committed serious criminal acts against the deceased. It was enacted after K-pop star Goo Hara's estranged mother — absent for 20 years — claimed half her estate.
Co-heirs can petition the court within six months of learning that the offending heir has a claim. A forfeited heir's children can still inherit by representation, but a forfeited heir's spouse cannot.
What This Means for Foreign Families
For foreign families inheriting Korean assets, the practical impact depends on whether Korean law or foreign law governs the estate. If a US citizen dies intestate with a Seoul apartment and a New York house, Korean law governs the Seoul apartment (through renvoi) while New York law governs the house. The two legal systems may produce completely different distributions.
The South Korea Expat Death Guide includes inheritance share calculators and choice-of-law decision trees built for the specific scenarios foreign families face.
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