Payroll & Workforce Management in South Korea

What running payroll in South Korea costs and requires

South Korea's corporate income tax is progressive across four brackets, raised for fiscal years beginning on or after 1 January 2026: 10% up to KRW 200 million, 20% up to KRW 20 billion, 22% up to KRW 300 billion, and 25% above that, with a further 10% local income tax surcharge on the national tax lifting the effective top rate to 27.5%. VAT is a flat 10% with no reduced rates. Employers also administer four mandatory social insurances — National Pension, National Health Insurance (with a linked long-term care premium), Employment Insurance and Workers' Compensation Insurance — each with its own base, cap and cost-sharing structure.

South Korea's operational complexity is administrative rather than headline-rate driven: four social insurances tracked in parallel, and a year-end tax settlement process that shifts each employee's annual tax filing onto the employer's payroll cycle.

What sits on top of gross salary

— this is a direct cost the employer budgets on top of gross pay for every hire, not a deduction from it.

• Year-end tax settlement (yeonmal jeongsan) — — the employer, not the employee, reconciles actual annual income tax liability against monthly withholding, collects deduction documentation, and finalizes the report to the National Tax Service by end-February
• Four major social insurances tracked in parallel — , each with a distinct contribution base and cap — National Pension is mid-way through an eight-year phased rate increase running to 13.0% by 2033
• 2026 corporate tax rate increase — — all four brackets were raised for fiscal years beginning on or after 1 January 2026, changing prior-year comparables for budget planning
• Workers' Compensation Insurance is employer-only and industry-rated — (0.6%–18.5%), unlike National Pension, Health Insurance and Employment Insurance, which are cost-shared with the employee

The statutory floor for South Korea

KRW 10,320/hour (2026), ~KRW 2,156,880/month on a standard 209-hour basis — a single national rate with no regional variation. Underpaying the statutory floor exposes the employer to fines and back-pay claims, and should be checked against any role before an offer is made — thresholds are typically revised annually.

Standard cycle and documentation

Payroll in South Korea runs on a monthly cycle, in arrears. Payslips must itemize gross pay, statutory deductions, and net pay — incomplete or incorrect payslips are exactly what a labour or social security audit checks first, so the format is a compliance requirement, not a formality.

Employer obligations and deadlines

Corporate income tax return filed and tax paid within 3 months of fiscal year-end; year-end payroll tax settlement (yeonmal jeongsan) finalized and reported to the National Tax Service by end-February.

Employer registration runs through the Local district Court Registry (법인등기소) for corporate registration, followed by business registration with the local tax office, typically taking 2–3 weeks (commonly cited as 15–30 business days) for a Yuhan Hoesa; a Chusik Hoesa follows a comparable sequence.

Frequently asked questions