

Japan vs Portugal
Corporate Tax Comparison
Time of Update: Japan: 4/03/2026 / Portugal: 4/04/2026
Compare Japan and Portugal corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Japan vs Portugal Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Japan
Portugal
General CIT Rate:
23.2
General CIT Rate:
21
CIT Return Due Date:
Within two months after the end of the company's fiscal year.
CIT Return Due Date:
The last day of the fifth month after the end of the tax year.
CIT Payment Due Date:
Within two months after the end of the company's fiscal year.
CIT Payment Due Date:
The last day of the fifth month after the end of the tax year.
CIT Estimated Payment Due Date:
Within two months after the end of the sixth month of the company's accounting period.
CIT Estimated Payment Due Date:
Three-stage installment payments due in July, September, and December (if the tax year corresponds to the calendar year). Under certain conditions, the final installment payment may be waived.
Withholding Tax (WHT)
Japan
Portugal
Resident Withholding Tax (Dividend/Interest/Royalty):
20/20/0
Resident Withholding Tax (Dividend/Interest/Royalty):
25/25/25
None-Resident Withholding Tax (Dividend/Interest/Royalty):
15/20/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/0-25/25
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Japan
Portugal
General Capital Gain Tax Rate:
Capital gains are subject to the normal corporate income tax rate.
General Capital Gain Tax Rate:
25 (same as the normal CIT rate for corporations)
Effective Tax Rate (ETR)
Japan
Portugal
Composite Effective Average Tax Rate:
28.36
Composite Effective Average Tax Rate:
28.42%
Composite Effective Marginal Tax Rate:
29.26
Composite Effective Marginal Tax Rate:
16.01%
