Taxation rates in South Korea. Foreigners living and working in Korea can pay a flat income or employment tax of 19% on their gross earnings. Or, they'll pay a progressive rate of 6% to 38% on the income they earn. The maximum rate goes up to 42% on income above the Korean Won 500 million. Summary. Enter your employment income into the salary calculator above to estimate how taxes in Korea may affect your finances. You'll then get your estimated take home pay, an estimated breakdown of your potential tax liability, and a quick summary down here so you can have a better idea of what to possibly expect when planning your budget. .

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