South Korea Income Tax — Frequently Asked Questions
What is the income tax rate in South Korea? South Korea's personal income tax rate ranges up to 45% for the 2026 tax year.
What currency is tax calculated in? South Korea calculates and pays tax in KRW (₩).
When is the filing deadline? The typical deadline is 31 July, though this can vary by filer type — see the filing guide for details.
Is this calculator's result exact? No — it's an estimate based on a simplified model of South Korea's tax brackets, intended for planning purposes. Your actual liability depends on deductions, credits, residency status, and other factors not fully captured here.
What happens if I file late? Most tax authorities charge a late-filing penalty plus interest on unpaid tax. See the filing guide for more.
Where can I find official rates? Always cross-check with South Korea's national tax authority website for the current, legally binding tax-year figures.