Korea tax guide
Korean Pension Income Tax for Foreigners
Income Tax
Who this guide is for
- Foreign retirees receiving Korean pensions
- Former residents claiming benefits abroad
- Workers considering a lump-sum payment
- IRP and private pension account holders
Quick Answer
Korean pension payments can be taxed differently depending on whether they come from National Pension, pension savings, an IRP, an employer plan, or another arrangement, and whether the payment is periodic or a lump sum. Tax residence, contribution history, withholding, and a treaty may also change the outcome.
Key points
- Identify the pension system before applying a tax rule.
- Periodic and lump-sum payments may differ.
- Tax residence at payment matters.
- Treaties may allocate taxing rights.
- Contribution deductions and future payments are connected.
Detailed explanation
Name the pension source
Separate National Pension, occupational retirement benefits, pension savings, IRP, foreign pension, and ordinary investment withdrawals. Request the plan’s Korean classification.
Map contributions to benefits
Record who contributed, which contributions received deductions or credits, and whether employer retirement money entered the account. This history can affect later taxation.
Test residence and treaty rules
Determine tax residence when the payment is made and read the relevant treaty article. Social security pensions, private pensions, government service, and lump sums may not share one rule.
Reconcile withholding
Keep the gross payment, tax withheld, exchange-rate evidence, and foreign-country reporting. If tax was withheld inconsistently with a treaty, review the refund or correction procedure promptly.
Documents you may need
- Pension entitlement statement
- Contribution history
- Payment and withholding certificate
- IRP or pension savings statements
- Residence certificate
- Prior deduction records
Common mistakes
- Treating every pension as National Pension
- Assuming a lump sum is automatically tax-free
- Ignoring prior tax-credit contributions
- Applying a treaty without checking the pension article
- Failing to keep Korean withholding evidence
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
Is a National Pension lump-sum refund tax-free?
Do not assume so. Confirm the payment type, withholding record, residence, and current Korean and treaty rules.
Are IRP payments taxed like National Pension?
Not necessarily. Account type, contributions, tax credits, and withdrawal form can produce different treatment.
Can a treaty change Korean pension tax?
Yes. Pension articles differ by treaty and may treat government, social security, private, and lump-sum payments differently.
Official Sources to Verify
Check the tax year, eligibility conditions, and publication date in the official material before applying a rule. A link marked “Service portal” helps you find a service; it does not substantiate a particular rate or entitlement.