Do Foreigners Have to Pay Taxes in Korea?

Who this guide is for

• Foreign employees starting work in Korea
• Freelancers receiving Korean-source income
• Students with part-time jobs
• Long-term residents comparing tax residency and visa document needs

Key points

• Tax duty depends on facts, not only nationality.
• Salary employees and freelancers usually follow different tax workflows.
• Tax residency can affect how Korean and foreign income are reviewed.
• Official Hometax or National Tax Service guidance should be checked before filing decisions.

Step-by-step explanation

Who needs to think about Korean tax?

Foreigners often ask whether Korean tax applies to them because their visa, employer, and income may all feel separate. In practice, the first question is usually not “Am I Korean?” but “What income did I receive, where was it connected, and how was it reported?” A foreign employee at a Korean company, an E-2 teacher paid by a school, a D-2 student with approved part-time work, a freelancer paid after 3.3% withholding, and an F-6 resident running a small business may all face different procedures.

Korean tax can also matter even when you are not trying to calculate tax. Immigration offices, banks, landlords, employers, and schools may ask for income certificates or tax payment certificates. That is why it helps to understand the workflow early, before you need a document urgently.

How should foreigners start?

Start by collecting income records for the year. Salary workers can ask the employer about year-end settlement, payroll withholding, and any year-end documents. Freelancers should look for payment statements, withholding receipts, and the payer’s business information if available. People with more than one job should be especially careful because each payer may only see part of the total picture.

Next, decide which workflow fits your situation. Employees usually begin with the year-end settlement process. Freelancers and people with mixed income usually begin with the general income tax filing question. If you need documents for visa extension, you may need a certificate even if your immediate question is not filing.

What should you do if you are not sure?

Do not rely only on a friend with a similar visa. Small differences can matter, including length of stay, payer type, income category, overseas income, tax treaty eligibility, and whether a previous employer already reported something. Use Hometax and National Tax Service information as the official baseline, and keep copies of documents you submit or receive.

For next steps, read the Korea Income Tax Filing Guide for Foreigners, then use the Do I Need to File Tax in Korea? checklist for a general direction.

Documents you may need

• Alien registration or foreigner registration information
• Income statements or payslips
• Withholding receipts
• Hometax login or certificate access
• Documents requested by employer, school, bank, or immigration office

Common mistakes

• Assuming a foreign passport means no Korean tax duty
• Assuming year-end settlement covers every income source
• Ignoring freelance income because tax was already withheld
• Waiting until a visa deadline to look for tax documents

When should you ask a tax professional?

Ask a qualified tax professional if you have income from several countries, business income, unclear tax residency, treaty questions, missing documents, late filing concerns, or a visa situation that depends on tax records. This site explains general patterns only and cannot review your personal facts.

FAQ