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How are pensions taxed under the South Korea-Luxembourg tax treaty?

Under the South Korea-Luxembourg tax treaty, private pensions are generally taxable only in the country of residence — meaning no withholding tax applies at source (0%). This is favorable for retirees who have moved between the two countries, as their pension income will not be subject to double taxation. Government pensions may have different rules under a separate treaty article. This 0% rate compares to a median of 0% across South Korea's 48 active treaty partners, and 0% across Luxembourg's 27 active partners.

Network Comparison

South Korea

Rank 28 of 48 active treaties (lowest rate = #1)

Lower rates with: India (0%), Italy (0%), Japan (0%)

Higher rates with: Mexico (0%), Malaysia (0%), Netherlands (0%)

Luxembourg

Rank 19 of 27 active treaties (lowest rate = #1)

Lower rates with: India (0%), Italy (0%), Japan (0%)

Higher rates with: Netherlands (0%), Norway (0%), Poland (0%)

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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