From income tax to VAT, South Korea's tax system has several layers. This guide breaks down what matters most for expats in 2026.

Key takeaway: South Korea has a progressive tax system with a top personal rate of 45%. On €90,000 gross, expect an effective rate of approximately 10.6%.

Tax System Overview

Tax ComponentRate / Details
Tax System TypeProgressive
Top Personal Income Tax Rate45%
Effective Rate on €90,00010.6%
Net Monthly on €90,000 Gross€5,962
VAT (Standard Rate)10.0%
Special Expat RegimeYes — other. Foreigner Employment Permit Point System: Simplified visa process, work permit validity extension
Tax Revenue (% of GDP)15.7%

Income Tax in South Korea

South Korea operates a progressive income tax system, meaning higher earners pay a higher percentage on their income above certain thresholds. The top marginal rate is 45%.

What Does This Mean in Practice?

On a gross annual salary of €90,000, you would pay an effective tax rate of approximately 10.6%, resulting in a net monthly income of approximately €5,962. This accounts for income tax and mandatory social contributions.

For context, the average monthly salary in South Korea is approximately €2,436.

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VAT (Value Added Tax)

The standard VAT rate in South Korea is 10.0%. VAT is included in consumer prices and applies to most goods and services. Reduced rates typically apply to:

Special Tax Regimes for Expats

Yes — other. Foreigner Employment Permit Point System: Simplified visa process, work permit validity extension

If eligible, these regimes can provide substantial savings during your initial years in South Korea. Always verify current requirements with a qualified tax professional, as rules change frequently.

Tax Filing Requirements

As a tax resident of South Korea, you are generally required to:

  1. Register with tax authorities upon establishing residence
  2. Obtain a tax identification number
  3. File an annual tax return (deadlines vary)
  4. Declare worldwide income if you are a tax resident
  5. Report foreign bank accounts if applicable

Double Taxation

South Korea has double taxation agreements (DTAs) with numerous countries. These treaties determine which country has the right to tax specific types of income and help prevent you from being taxed twice on the same income. Before moving, check whether a DTA exists between South Korea and your home country.

Tax Tips for Expats

Additional Practical Information

Key Institutions and Services

Based on current expat reports, the following organisations and services are relevant for newcomers to South Korea:

Additional Data Points

Recent reports and expat sources provide these additional figures for South Korea:

Important Notes from Expat Sources
  • If you are an expat living in South Korea, you might have questions regarding the country's taxation system. First of all, note that you will have to pay tax if you are a resident of South Korea for more than a year. Make sure to seek related information with the Korean taxation authorities before travelling to Korea.
  • Residents of South Korea are taxed on their income, whether the income was earned in the country or abroad. Non-residents, on the other hand, are taxed on the income received in South Korea only. Moreover, income tax is deducted at source, and you must file a tax return at the end of each year.
  • Over 20 billion KRW 22% Certain companies, such as farming and fishing cooperatives and investment companies, may be exempt from tax. However, you may be required to pay other forms of taxes such as urban planning tax, office tax, and more.

Additional data sourced from expat community reports. All information should be verified with official sources.

Frequently Asked Questions

What is the income tax rate in South Korea?

South Korea uses a progressive tax system. The top personal income tax rate is 45%. On a gross income of €90,000, the effective tax rate is approximately 10.6%, leaving a net monthly income of approximately €5,962.

Do I need to file a tax return in South Korea?

In most cases, yes. If you are employed in South Korea, your employer may withhold taxes, but you may still need to file an annual return, especially if you have additional income, deductions to claim, or foreign income. Filing deadlines vary — consult the local tax authority.

How does South Korea's tax compare to other countries?

With an effective rate of 10.6% on €90k income and a top rate of 45%, South Korea's tax burden is Moderate by European standards. The tax revenue as a share of GDP is 15.7%. Compare with other countries using our assessment tool.

Are there special tax regimes for expats in South Korea?

Yes — other. Foreigner Employment Permit Point System: Simplified visa process, work permit validity extension. Special tax regimes can significantly reduce your tax burden during the initial years of relocation. Consult a local tax adviser to determine your eligibility.

Are crypto earnings taxed in South Korea?

Cryptocurrency taxation in South Korea varies. Most countries treat crypto gains as capital gains or income depending on frequency of trading. Mining and staking rewards are typically taxable. Regulatory frameworks are evolving, so consult a specialist tax adviser.

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