Korea Figured Out

Every January, Korean employers process a year-end tax reconciliation — and most foreign workers have no idea how to make it work in their favor If you work in Korea as an employee, you've been paying income tax from your paycheck every month. Every January and February, your employer runs 연말정산 (yeon-mal-jeong-san) — which calculates your actual tax liability for the previous year and refunds any overpayment. Koreans call February "the month of the 13th salary" because of the refunds most employees receive. For foreign workers, there's one critical extra decision that Korean workers don't have: the flat 19% tax rate option. Getting this choice right can mean the difference of hundreds of thousands to millions of won per year. How it works — the basics Korean employers withhold income tax monthly based on estimated tables. Year-end settlement reconciles what was withheld against what you actually owe: Overpaid → refund in February (most employees) Underp...

If you worked in Korea, your employer has been matching your pension contributions every month — and most foreigners leave without claiming it back Every foreign employee covered by Korea's National Pension has been contributing 4.75% of their monthly salary — matched by another 4.75% from their employer. That's 9.5% of your salary going into the pension fund every month you worked here. If you worked in Korea for less than 10 years and are leaving permanently, you're almost certainly entitled to a lump-sum refund (반환일시금) of your contributions plus interest. And NPS will not remind you. After 5 years, your right to claim expires. How much you've been contributing — 2026 rates 2026 contribution rate: 9.5% of monthly standard income (increased from 9% — first change in 27 years) Split: 4.75% employee (you) + 4.75% employer Rate increases 0.5% per year until 13% in 2033 Example: Monthly salary 2,500,000 KRW × 4.75% × 24 months = approximately 2,850,000 KRW ...