- Gross to net includes 13.07% employee side social security contributions. The state somewhat lowers those for the lowest income earners. This increases the gap.
- Progressive taxation. Under 24k gross, you pay 40%. Up to 41k, you pay 45%.
- A large part of the bottom 25% tax bracket is actually 0% (~9k tax free base).
- Local taxation (usually about 7%, but 0% in the richest enclaves) gets tacked onto the tax amount.
- Gross to net includes 13.07% employee side social security contributions. The state somewhat lowers those for the lowest income earners. This increases the gap.
- Progressive taxation. Under 24k gross, you pay 40%. Up to 41k, you pay 45%.
- A large part of the bottom 25% tax bracket is actually 0% (~9k tax free base).
- Local taxation (usually about 7%, but 0% in the richest enclaves) gets tacked onto the tax amount.
- Regional taxes are also progressive.
[0] https://financeinfo.be/belastingen/belastingschijven/