Glossary
Updated on 03/03/2025

Tax bracket (barème)

What is a tax bracket? A tax bracket (barème d'impôt) is a table used to determine the amount of taxes or social security contributions applicable to a given income. In Luxembourg, the tax bracket is essential for calculating personal income tax based on income brackets and tax classes.

How does the tax bracket work? The tax bracket consists of income brackets, each associated with a specific tax rate. Higher income portions are subject to progressively higher rates, ensuring fair taxation through the principle of progressivity.

How does the tax bracket affect my payslip? The tax bracket determines the withholding tax deductions from your gross salary. Payroll systems use it to ensure compliance with current tax legislation as set by the Luxembourg Tax Administration.

How are tax bracket updates integrated into payroll calculations? Employers update their payroll systems annually to incorporate new tax brackets and credits, such as the single-parent tax credit.

What should I check on my payslip regarding the tax bracket?
  • Your tax class (1, 1a, or 2).
  • The accuracy of withholding tax deductions.
  • Recent updates to the tax bracket.

What errors can occur in applying the tax bracket? Common errors include incorrect tax class classification, application of an outdated tax bracket, or missing tax credits such as the tax credit for employees.

How does the tax bracket account for bonuses or overtime? Bonuses and overtime are added to your gross salary, potentially placing you in a higher tax bracket temporarily.

What tax benefits related to the tax bracket can I claim? Depending on your situation (e.g., single parent, dependents), you may qualify for deductions or tax credits that reduce your taxable income.

What should I do if tax bracket changes aren’t applied correctly to my salary? Report the issue to your employer. Consult a tax advisor for corrections in your next tax return.

What changes are planned for 2025?
  • Tax brackets will increase by 2,5%, following a 4-bracket increase in 2024.
  • The tax-free amount for Class 1a taxpayers will rise to 26 460€ (from 24 876€).
  • The single-parent tax credit will increase to 3 504€ (from 2 505€).
  • Extraordinary expense deductions for non-household children will increase to 5 424€ per year per child.

Why is the tax bracket important? It ensures fair and progressive taxation, adapting tax burdens to income levels and supporting low-income households while maintaining a balance in public revenue.

Synonyms: Tax scale, tax chart, tax table, fiscal scale.
Facebook Twitter LinkedIn

Other useful words to check out

If you're looking for a payroll tool that will make your life easier, look no further!