Inheritance Tax: Japanese Shortcuts
Inheritance Tax Reform Could Benefit Families with Multiple Heirs
Table of Contents
- Inheritance Tax Reform Could Benefit Families with Multiple Heirs
- Inheritance Tax Reform Could Benefit Families with Multiple Heirs: A Q&A
- Introduction
- What is the Proposed Inheritance Tax Reform in South Korea?
- What is the difference Between Legacy Tax and Heritage acquisition Tax?
- How Could this Reform Benefit Families with Multiple Heirs?
- What are the Key Findings from the NABO Analysis?
- Detailed Breakdown of Effective Tax Rate Changes
- What are the Potential Advantages of the Heritage Acquisition Tax?
- What are the Potential Disadvantages of Heritage Acquisition Tax?
- What Measures are Being Taken to Prevent Tax Evasion?
- What is the Timeline for the Inheritance Tax Reform?

A government reform plan,potentially implemented in 2028,aims to shift South Korea’s inheritance tax system from a legacy tax method to a heritage acquisition tax method. This change could considerably benefit families with multiple heirs, according to an analysis.
The government intends to submit a tax law amendment to the National Assembly in May,following legislative notice of the inheritance tax law. Discussions are ongoing regarding tax cuts, including the potential elimination of inheritance tax for spouses.
The National Assembly Budget Office (NABO) released an analysis report stating that the inheritance tax rate is relatively lower than the legacy tax method, depending on the degree of inheritance.
The NABO’s analysis compared the effective tax rate (calculated tax/inheritance value) under the current legacy tax system and the proposed acquisition tax system. The scenarios considered various family structures (spouses plus one to four children) and inheritance sizes (1 billion, 2 billion, 3 billion, 5 billion, 10 billion, and 50 billion won).
The analysis showed that with one spouse and one child,the effective tax rate could increase by 0.9 to 4.6 percentage points.However, with more heirs, the reduction in the effective tax rate becomes more pronounced. For instance, with four spouses and four children, the effective tax rate could decrease by 5.2 to 16.5 percentage points. The tax reduction was most noticeable for inherited properties valued at 2 billion won and 10 billion won.

According to the report, If the number of heirs, such as a spouse and children, increases, the effect of reducing the effective tax rate is expanded due to the distribution of inheritance.
The current legacy tax method taxes the entire estate of the deceased. South korea has used this method as introducing inheritance tax in 1950. Only four OECD countries—South Korea, the United States, the United Kingdom, and Denmark—employ the legacy tax method. The remaining OECD countries use the inheritance acquisition tax. While the legacy tax offers a critically important income redistribution effect and simpler tax administration, it taxes the entire estate nonetheless of each heir’s ability to pay.
The heritage acquisition tax method taxes the individual inherited property value obtained by each heir. This promotes the division of heritage and alleviates wealth concentration. However, it can result in lower tax revenue compared to the legacy tax, and increases the administrative burden by requiring inquiry of all heirs and acquired property. It may also incentivize artificial division of inheritance to minimize tax liabilities.
The legacy tax system dates back to the Japanese colonial period in 1934. While South Korea enacted the inheritance tax law in 1950, maintaining the legacy tax method, inheritance tax avoidance through loopholes has increased. A 2023 study by the National Assembly Budget Policy Research Service, Comparative Study on Inheritance Duty Deduction System,
noted that the higher the number of heirs, the greater the potential for tax avoidance. Japan, after initially converting to a legacy tax, adopted a hybrid approach in 1958 to address these issues.
Switching to a heritage acquisition tax could lower the overall tax burden by increasing the number of individuals who “acquire the name” of inheritors.

The Ministry of Strategy and Finance announced plans to introduce the heritage acquisition tax and measures to prevent tax evasion.The statute of limitations for imposing inheritance tax in cases of property division will increase from 10 to 15 years. Additionally, gifts to other heirs within five years of inheritance will be included in the taxable estate. The ministry issued a legislative notice regarding the inheritance tax law and gift tax law amendment on March 19, with comments accepted until April 28.
The NABO report acknowledges the pros and cons of transitioning to the inheritance acquisition tax. There is concern about the weakening of the national fiscal base due to deepening asset inequality and decreasing tax revenues.
The report emphasizes the need for careful consideration of the system’s necessity and planning for potential tax leakage, such as through offshore accounts and complex ownership structures.
Inheritance Tax Reform Could Benefit Families with Multiple Heirs: A Q&A
Introduction
South Korea is planning a significant overhaul of its inheritance tax system, potentially changing how inheritances are taxed. This article provides a extensive Q&A to help you understand the proposed changes, their potential impact, and the broader context of inheritance tax in South korea.
What is the Proposed Inheritance Tax Reform in South Korea?
The South Korean government is considering a shift from the current legacy tax method to a heritage acquisition tax method.This reform, potentially implemented in 2028, aims to change how inheritance is taxed.
What is the difference Between Legacy Tax and Heritage acquisition Tax?
Legacy Tax: The current system in South Korea taxes the entire estate of the deceased.
Heritage Acquisition Tax: The proposed system would tax the individual inherited property value received by each heir.
How Could this Reform Benefit Families with Multiple Heirs?
An analysis by the National Assembly Budget Office (NABO) indicates that the shift to a heritage acquisition tax could be advantageous for families with multiple heirs. The effective tax rate – calculated as the calculated tax divided by the inheritance value – is expected to decrease as the number of heirs increases with the acquisition tax.
What are the Key Findings from the NABO Analysis?
The NABO’s analysis compared the effective tax rate under the current legacy tax system and the proposed acquisition tax system.The analysis considered different family structures and inheritance sizes to determine the potential impact of the reform.
Detailed Breakdown of Effective Tax Rate Changes
The following table summarizes the potential changes in the effective tax rate based on the NABO analysis:
| Inheritance Value (Billion Won) | Family Structure | Effective Tax Rate Change (Percentage Points) |
| :—————————– | :————————– | :——————————————— |
| 2 billion Won | 1 Spouse, 1 Child | +0.9 to +4.6 |
| 2 Billion Won | 1 spouse,4 Children | -5.2 to -16.5 |
| 10 Billion Won | 1 Spouse, 1 Child | +0.9 to +4.6 |
| 10 Billion Won | 1 Spouse, 4 Children | -5.2 to -16.5 |
As the number of heirs increases, the reduction in the effective tax rate becomes more pronounced.
What are the Potential Advantages of the Heritage Acquisition Tax?
Promotes Division of Heritage: This system encourages a fair distribution of assets.
Alleviates Wealth Concentration: It can definitely help prevent the concentration of wealth in the hands of a few.
What are the Potential Disadvantages of Heritage Acquisition Tax?
Lower Tax Revenue: This could be a concern for the national fiscal base.
Increased Administrative Burden: It requires more detail in the inheritance process.
Potential for Tax Avoidance: There is a risk of incentivizing artificial divisions of inheritance.
What Measures are Being Taken to Prevent Tax Evasion?
The Ministry of Strategy and Finance plans to implement measures to prevent tax evasion, including:
Extended Statute of Limitations: The period for imposing inheritance tax for property division cases will increase from 10 to 15 years.
Gifts Included: Gifts to other heirs within five years of inheritance will be included in the taxable estate.
What is the Timeline for the Inheritance Tax Reform?
May 2025: the government intends to submit a tax law amendment to the National Assembly.
Comments Accepted: The ministry issued a legislative notice regarding the inheritance tax law and gift tax law amendment on March 19, with comments accepted until April 28.
