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What is the interest withholding rate between South Korea and Thailand?

Under the South Korea-Thailand tax treaty, the withholding rate on interest is 10%. Certain types of interest (such as government bonds) may qualify for additional exemptions under specific treaty articles. This 10% rate compares to a median of 10% across South Korea's 48 active treaty partners, and 10% across Thailand's 22 active partners.

Network Comparison

South Korea

Rank 42 of 48 active treaties (lowest rate = #1)

Lower rates with: Sweden (10%), Singapore (10%), Slovak Republic (10%)

Higher rates with: Turkey (10%), Vietnam (10%), South Africa (10%)

Thailand

Rank 11 of 22 active treaties (lowest rate = #1)

Lower rates with: Hong Kong (10%), Italy (10%), Japan (10%)

Higher rates with: Netherlands (10%), Pakistan (10%), Sweden (10%)

Sources

Data last reviewed: 2026-04-07

Important: Treaty rates require proper claim forms (e.g., IRS Form W-8BEN for U.S. treaties, HMRC DT-Individual for U.K. treaties, CRA Form NR301 for Canadian treaties) filed before payment. Limitation on Benefits (LOB) provisions may restrict eligibility. A 0% withholding rate does not mean no tax — the residence country may still tax the income. This is not tax advice.

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