Puerto Rico vs South Korea
Corporate Tax Comparison
Time of Update: Puerto Rico: 4/06/2026 / South Korea: 4/04/2026
Compare Puerto Rico and South Korea corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Puerto Rico vs South Korea Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Puerto Rico
South Korea
General CIT Rate:
37.5 (i.e. 18.5% plus an additional tax of 19% on income over $275,000).
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:
Regular companies - within the first 15 days of the fourth month after the end of their tax year. Tax-exempt businesses - within the first 15 days of the sixth 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:
Regular companies - within the first 15 days of the fourth month after the end of their tax year. Tax-exempt businesses - within the first 15 days of the sixth 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:
Ordinary companies - equal installment payments on the 15th day of the fourth, sixth, ninth, and twelfth months of the company's tax year. Tax-exempt businesses - the first and second installments can be jointly paid on the 15th day of the sixth month of the company's tax year.
CIT Estimated Payment Due Date:
N/A
Withholding Tax (WHT)
Puerto Rico
South Korea
Resident Withholding Tax (Dividend/Interest/Royalty):
N/A
Resident Withholding Tax (Dividend/Interest/Royalty):
None-Resident Withholding Tax (Dividend/Interest/Royalty):
10/29/29
None-Resident Withholding Tax (Dividend/Interest/Royalty):
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Puerto Rico
South Korea
General Capital Gain Tax Rate:
20
General Capital Gain Tax Rate:
25 (the same as the normal CIT rate for corporations over 300B KRW taxable income)
Effective Tax Rate (ETR)
Puerto Rico
South Korea
Composite Effective Average Tax Rate:
Composite Effective Average Tax Rate:
24.87%
Composite Effective Marginal Tax Rate:
Composite Effective Marginal Tax Rate:
22.0%
