open-access tax-benefit microsimulation model for the Brussels Capital Region

Change any Brussels tax or benefit — from income tax rates to car taxation — and see the impact in seconds.

See the effect across fictitious but realistic Brussels households, broken down by income, family type, and employment status.

Free to use — no login, no subscription. Built and maintained by CAPE at UCLouvain Saint-Louis – Bruxelles as a publicly-funded public good; see the disclaimer for scope and limitations.