Corporate Tax Comparison

South Korea vs Norway

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

Published — South Korea: 2/14/2024 · Norway: 2/14/2024 · Time of Update — South Korea: 9/29/2026 · Norway: 9/26/2026

Base Country/Region

Compare Country/Region

Compare Corporate Tax

South Korea

Norway

Basic Corporate Tax Comparison

PwC World Tax Summary OECD Statistics

Published — South Korea: 2/14/2024 · Norway: 2/14/2024 · Time of Update — South Korea: 9/29/2026 · Norway: 9/26/2026

Corporate Income Tax (CIT)

South Korea

Norway

General CIT Rate:

Progressive: 10% (up to 200M KRW), 20% (200M-20B KRW), 22% (20B-300B KRW), 25% (over 300B KRW)

General CIT Rate:

22 (25% of some companies in the financial sector).

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 Return Due Date:

At the end of May of the next fiscal year (according to the oil tax system, the end of April). Other requirements may apply to specific business sectors, such as hydroelectric power.

CIT Payment Due Date:

The submission of the declaration form (instalment payments are allowed in the case of elections).

CIT Payment Due Date:

Tax arrears must be paid within three weeks after the assessment is announced.

CIT Estimated Payment Due Date:

February 15 and April 15.

Value-Added Tax (VAT)

South Korea

Norway

General VAT Rate:

Learn More Value-Added Tax (VAT)

Capital Gain Tax (CGT)

South Korea

Norway

General Capital Gain Tax Rate:

Taxed as ordinary income at the normal CIT rates; gains on certain housing and non-business land also bear an additional 10-40% tax (Corporate Tax Act Art. 55-2)

General Capital Gain Tax Rate:

Capital gains are constrained by the normal corporate income tax rate. Gains on shares covered by the participation exemption (skatteloven § 2-38) are tax-free, and losses on them are not deductible.

Effective Tax Rate (ETR)

South Korea

Norway

Composite Effective Average Tax Rate:

21.41%

Composite Effective Marginal Tax Rate:

23.11%

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