Country A
United States
Top income tax: 37%
Corporate: 21%
VAT: 0% · CGT: 20%
VS
Country B
Portugal
Top income tax: 48%
Corporate: 21%
VAT: 23% · CGT: 28%
Full Tax Rate Comparison
| Tax Type | United States | Portugal | Lower Rate |
|---|---|---|---|
| Top Income Tax | 37% | 48% | United States |
| Bottom Income Tax | 10% | 13% | United States |
| Corporate Tax | 21% | 21% | Tie |
| VAT / GST | 0% | 23% | United States |
| Capital Gains Tax | 20% | 28% | United States |
| Social Security (Emp) | 7.7% | 11% | United States |
| Dividend Tax | 23.8% | 28% | United States |
| Tax Treaties | 68 | 79 | Portugal |
Take-Home Pay Estimate
Illustration — €100,000 gross annual income
United States Take-Home
€68,300
Portugal Take-Home
€57,800
Annual Difference
+€10,500
Verdict
Overall Tax Burden
United States has a lower overall tax burden
United States scores lower on combined tax burden (29 vs 36). Top income tax: 37% vs 48% in Portugal. Corporate: 21% vs 21%. For high earners and entrepreneurs, United States can offer meaningful tax savings.
Tax System: Territorial vs Worldwide
| Factor | United States | Portugal |
|---|---|---|
| Territorial Taxation | No | No |
| Digital Nomad Visa | No | Yes |
| Wealth Tax | No | No |
| CFC Rules | No | Yes |
Special Regimes Available
| Country | Regime | Rate / Benefit | Duration |
|---|---|---|---|
| Portugal | IFICI (ex-NHR) | 10% flat rate | 10 years |
Frequently Asked Questions
Which country has lower taxes: United States or Portugal?
United States has a top income tax rate of 37% and corporate tax of 21%. Portugal has 48% and 21% respectively. On €100k gross, estimated take-home is €68,300 in United States vs €57,800 in Portugal. Actual liability varies with deductions, residency rules, and individual circumstances.
Is United States or Portugal better for expats and digital nomads?
United States uses a worldwide tax system. Portugal uses a worldwide tax system and offers the IFICI (ex-NHR) (10% flat rate, 10 years). The best choice depends on income type, desired residency duration, and lifestyle preferences.
What is the corporate tax difference between United States and Portugal?
The statutory corporate tax rate is 21% in United States and 21% in Portugal. Effective rates can differ significantly due to deductions, loss carry-forwards, and R&D credits. Both countries may offer reduced rates or special regimes for SMEs or qualifying businesses.
Disclaimer: Rates shown are statutory rates for 2026. Effective rates vary with deductions and individual circumstances. Not tax advice.