Chinese Taipei vs South Korea
Corporate Tax Comparison
Time of Update: Chinese Taipei: 4/05/2026 / South Korea: 4/04/2026
Compare Chinese Taipei and South Korea corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Chinese Taipei vs South Korea Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Chinese Taipei
South Korea
General CIT Rate:
20
General CIT Rate:
Progressive: 10% (up to 200M KRW), 20% (200M-20B KRW), 22% (20B-300B KRW), 25% (over 300B KRW)
CIT Return Due Date:
No later than the fifth month after the end of the tax year.
CIT Return Due Date:
Mid-term tax returns: within two months from the end of the six-month period; annual tax returns: within three months from the end of the fiscal year.
CIT Payment Due Date:
No later than the fifth month after the end of the tax year.
CIT Payment Due Date:
The submission of the declaration form (instalment payments are allowed in the case of elections).
CIT Estimated Payment Due Date:
CIT is expected to be paid in the ninth month of the enterprise's fiscal year.
CIT Estimated Payment Due Date:
N/A
Withholding Tax (WHT)
Chinese Taipei
South Korea
Resident Withholding Tax (Dividend/Interest/Royalty):
0/10/10
Resident Withholding Tax (Dividend/Interest/Royalty):
None-Resident Withholding Tax (Dividend/Interest/Royalty):
21/15/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Chinese Taipei
South Korea
General Capital Gain Tax Rate:
Capital gains are generally taxed at the standard CIT rate of 20%. Securities gains are exempt from CIT but subject to IBT at 12% (TWD 600,000 deduction; 50% exempt if held over 3 years). Real estate transactions are subject to the Joint Property Tax System 2.0 at 15%–45% based on holding period (for properties acquired after January 1, 2016). Capital losses may be carried forward for 5 years.
General Capital Gain Tax Rate:
25 (the same as the normal CIT rate for corporations over 300B KRW taxable income)
Effective Tax Rate (ETR)
Chinese Taipei
South Korea
Composite Effective Average Tax Rate:
N/A
Composite Effective Average Tax Rate:
24.87%
Composite Effective Marginal Tax Rate:
N/A
Composite Effective Marginal Tax Rate:
22.0%
