US 10-37% vs Belgium 25-50%. Use treaty + FTC for EU benefits.

By Daniel, Founder of CountryTaxCalc

Daniel has spent 5+ years researching tax systems across 95+ countries and all US states to make tax comparison accessible to everyone. For corrections, contact us.

Last Updated: April 2026

The Big Picture

๐Ÿฆ… USA

10-37% + state

Progressive Federal

Federal 10-37% + state taxes

๐Ÿ‡ง๐Ÿ‡ช Belgium

25-50%

Progressive

25-50% progressive (very high)

Typical Annual Savings

At $100,000 income:

Use US-Belgium tax treaty + FTC

That is Belgium higher tax but EU benefits back in your pocket!

Tax Savings by Income Level

IncomeUS TaxBE TaxSavings10-Year
$100,000 $12,908 federal + state$35,000 Belgium (effective 35-40%)Use Foreign Tax Credit to offset Belgium taxBelgium higher - need treaty specialist
๐Ÿ’ก

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USA Pros and Cons

โœ… Pros

  • Lower taxes 37% vs 50%
  • Dollar strength
  • Tech salaries higher
  • Larger economy

โŒ Cons

  • Citizenship-based taxation
  • Healthcare not universal
  • FBAR/FATCA burden
  • Limited EU access

Belgium Pros and Cons

โœ… Pros

  • EU citizenship pathway
  • Universal healthcare
  • Brussels EU jobs
  • Central Europe location

โŒ Cons

  • 25-50% tax rate (very high)
  • US expats still owe IRS
  • High cost of living
  • Complex tax system

Frequently Asked Questions

Q: Do US expats in Belgium pay double tax?

Belgium: 25-50% progressive. US: 10-37%. Use US-Belgium Tax Treaty + Foreign Tax Credit. Since Belgium tax higher, usually owe $0 to US after FTC. EU passport possible after 5 years.

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