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Belgium Income Tax Calculator
Belgium has the highest tax wedge in the OECD, combining progressive income tax rates up to 50% with mandatory 13.07% ONSS employee social security contributions.
"Your wallet is celebrating! Almost zero deductions 🎉"
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GLOBAL TAKE-HOME LEADERBOARD
Sorted from lowest tax burden (highest net) to highest tax burden
| Rank | Country | Net Take-Home | Effective Rate | Total Deductions |
|---|
⚔️ SALARY TAX DUEL: YOU VS FRIEND
Enter two salaries and pick a country to see who keeps more net cash per month
Belgium Income Tax Brackets & Social Security
| # | Taxable Band | Tax Rate |
|---|---|---|
| 1 | Up to €15,820 | 25.0% |
| 2 | €15,820 – €27,920 | 40.0% |
| 3 | €27,920 – €48,320 | 45.0% |
| 4 | Above €48,320 | 50.0% |
Frequently Asked Questions about Taxes in Belgium
Why is Belgium considered the highest taxed country in the OECD?
Belgium consistently tops OECD tax wedge rankings for single workers, with progressive rates hitting 50% relatively early, plus 13.07% social security.
What is the Belgian ONSS (Social Security) deduction?
Employees pay 13.07% mandatory social security (ONSS/RSZ) deducted directly from their gross monthly paycheck.
Are there municipal surcharges (Gemeentebelasting / Taxe communale)?
Yes, local municipalities levy an additional municipal tax surcharge ranging from 0% to 9% on calculated federal income tax.
What benefits do Belgian taxes provide?
High taxes fund extensive healthcare, high-quality public education, robust unemployment benefits, and public transport infrastructure.