Corporate Tax Comparison

Chinese Mainland vs South Korea

Compare Chinese Mainland and South Korea corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.

Time of Update — Chinese Mainland: 4/04/2026 · South Korea: 4/04/2026

Base Country/Region

Compare Country/Region

Compare Corporate Tax

Chinese Mainland

South Korea

Basic Corporate Tax Comparison

PwC World Tax Summary OECD Statistics

Time of Update — Chinese Mainland: 4/04/2026 · South Korea: 4/04/2026

Corporate Income Tax (CIT)

Chinese Mainland

South Korea

General CIT Rate:

25%

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:

For annual CIT declaration, it should be submitted within five months after the end of the tax year. For monthly or quarterly temporary CIT declaration, it should be submitted within 15 days after the end of each month/quarter.

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:

Within five months 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:

Quarterly or monthly installment payments should be made within 15 days after the end of each month/quarter.

CIT Estimated Payment Due Date:

Withholding Tax (WHT)

Chinese Mainland

South Korea

Resident Withholding Tax (Dividend/Interest/Royalty):

Non-Resident Withholding Tax (Dividend/Interest/Royalty):

10/10/10

Non-Resident Withholding Tax (Dividend/Interest/Royalty):

Value-Added Tax (VAT)

Chinese Mainland

South Korea

General VAT Rate:

13%

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Value-Added Tax (VAT)

General VAT Rate:

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Value-Added Tax (VAT)

Capital Gain Tax (CGT)

Chinese Mainland

South Korea

General Capital Gain Tax Rate:

Capital gains are subject to the normal corporate income tax rate.

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 Mainland

South Korea

Composite Effective Average Tax Rate:

23.00

Composite Effective Average Tax Rate:

24.87%

Composite Effective Marginal Tax Rate:

15.59

Composite Effective Marginal Tax Rate:

22.0%

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