🇧🇪

Belgium: Tax Guide 2026

How Belgian income tax works in 2026: federal brackets 25–50%, 13.07% RSZ social security, communal surcharge averaging 7%, and the professional expense deduction.

🇧🇪 Belgium: Personenbelasting / IPP 2026

Updated June 2026

Federal income tax brackets (PB/IPP)

Annual incomeRate
Up to €15,82025%
€15,821 – €27,92040%
€27,921 – €48,32045%
Above €48,32050%

Belgium's federal tax is supplemented by a communal surcharge averaging 7% of the federal tax owed. The effective top marginal rate including communal surcharge exceeds 53%.

RSZ social contributions (employee)

ContributionRate
Total RSZ / ONSS employee13.07%
Special RSZ reduction (low earners)Up to €238/year benefit

The 13.07% RSZ is applied uniformly with no wage ceiling.

Key deductions

  • Professional expense deduction: 30% of net earned income (max ~€5,580)
  • Communal surcharge: average 7% of federal tax, varies by municipality
  • Work bonus (werkbonus): RSZ reduction for low-wage workers

Key facts

  • Minimum wage 2026: €2,029/month (highest in EU)
  • Indexation: wages automatically indexed to inflation
  • Double holiday pay: approx. 15.38% of previous year salary
  • Employer RSZ: approx. 25% on top of gross

Ready to calculate?

Calculate your Belgium take-home pay

Open Belgium calculator →