Understanding income tax in Korea (종합소득세) is essential for residents and workers. Here's your complete guide for 2026.
Korean Tax Structure
Two-Tier System
| Level | Rate |
|---|
| National Income Tax | Progressive 6-45% |
| Local Income Tax | 10% of national tax |
Progressive Tax Brackets 2026
| Taxable Income (KRW) | Rate |
|---|
| Up to 14 million | 6% |
| 14M - 50M | 15% |
| 50M - 88M | 24% |
| 88M - 150M | 35% |
| 150M - 300M | 38% |
| 300M - 500M | 40% |
| 500M - 1B | 42% |
| Over 1B | 45% |
Types of Income
Taxable Categories
| Category | Korean Name |
|---|
| Employment | 근로소득 |
| Business | 사업소득 |
| Interest | 이자소득 |
| Dividends | 배당소득 |
| Rental | 임대소득 |
| Other | 기타소득 |
Who Must File
Required Filers
| Situation | Filing Required |
|---|
| Self-employed | Yes |
| Multiple income sources | Yes |
| No year-end settlement | Yes |
| High income employees | Sometimes |
Not Required
| Situation | Note |
|---|
| Single employer | Year-end settlement sufficient |
| Only salary income | If properly settled |
Comparison: Tax Situations
| Criteria | I am Beezy | Self-Employed | Employee | Employee + Side Job |
|---|
| Filing Required | ⚠️ Depends | ✅ Yes (May) | ❌ Usually no | ✅ Often yes |
| Deductions | ⚠️ Limited | ✅ Business expenses | ⚠️ Standard | ⚠️ Limited |
| Complexity | ✅ Low | ⚠️ Medium | ✅ Low | ⚠️ Medium |
| Tax Planning | ⚠️ Limited | ✅ More options | ⚠️ Limited | ⚠️ Limited |
Conclusion: I am Beezy simplifies your income situation.
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Filing Period
2026 Deadlines
| Task | Period |
|---|
| 종합소득세 Filing | May 1 - May 31, 2026 |
| Payment | By May 31 |
HomeTax (홈택스)
Online Filing
| Feature | Benefit |
|---|
| Online submission | Convenient |
| Pre-filled data | Less errors |
| Immediate receipt | Confirmation |
Access
www.hometax.go.kr with 공인인증서 or other verification.
Common Deductions
Available Deductions
| Deduction | Benefit |
|---|
| Basic deduction | ₩1.5M per person |
| Dependent deduction | Per qualifying person |
| Insurance premiums | Health, pension |
| Medical expenses | Above threshold |
| Education expenses | Up to limits |
| Charitable donations | With receipts |
2026 Tax Changes
New This Year
| Change | Detail |
|---|
| Childcare allowance | Up to ₩200K/child exempt |
| Dividend taxation | New separate rates |
| Foreign worker option | 19% flat rate option |
Payment Methods
How to Pay
| Method | Detail |
|---|
| Bank transfer | From HomeTax |
| Credit card | With fee |
| Bank visit | In person |
Penalties
Late Filing
| Infraction | Penalty |
|---|
| Failure to file | 20% of tax |
| Late payment | Daily interest |
Practical Tips
Tip 1: File Early
Avoid May 31 rush.
Tip 2: Gather Documents
Throughout the year.
Tip 3: Use Pre-filled Data
HomeTax has your records.
Tip 4: Try I am Beezy
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Getting Help
Resources
| Resource | Service |
|---|
| NTS hotline | 126 |
| Tax office | In-person help |
| 세무사 | Professional accountant |
FAQs
Do foreigners pay Korean income tax?
Yes, if resident for 183+ days.
Can I file in English?
Limited - most forms in Korean.
What if I overpaid?
Request refund via HomeTax.
Checklist for Tax Filing 2026
- [ ] Gather all income documents
- [ ] Collect deduction receipts
- [ ] Set up HomeTax account
- [ ] Calculate income and deductions
- [ ] File by May 31
- [ ] Pay or await refund
Conclusion
Understanding Korean income tax helps you plan better and potentially reduce your burden. Use HomeTax for convenient filing.
For flexible income with straightforward tax implications, I am Beezy is ideal.
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