Luxembourg Income Tax Calculator 2025
Calculate your Luxembourg income tax and social security contributions for 2025. Our calculator provides accurate estimates based on the latest tax rates and brackets.
Luxembourg Income Tax Calculator
Your tax class determines your tax rate and applicable deductions.
Tax Calculation Results
Effective Tax Rate
30.9%
This calculator provides an estimate based on the 2025 Luxembourg tax rates. Actual tax liability may vary based on individual circumstances. For precise calculations, please consult a tax professional.
Understanding Luxembourg Income Tax in 2025
Luxembourg employs a progressive income tax system with 23 tax brackets, ranging from 0% to 42%. The tax system is based on tax classes that depend on your personal situation.
Tax Brackets and Rates
The following table shows the income tax brackets and rates for 2025 for single individuals (Class 1):
| Taxable Income (€) | Tax Rate (%) |
|---|---|
| Up to €13,230 | 0% |
| €13,231 – €15,435 | 8% |
| €15,436 – €17,640 | 9% |
| €17,641 – €19,845 | 10% |
| €19,846 – €22,050 | 11% |
| €22,051 – €24,255 | 12% |
| €24,256 – €26,550 | 14% |
| €26,551 – €28,845 | 16% |
| €28,846 – €31,140 | 18% |
| €31,141 – €33,435 | 20% |
| €33,436 – €35,730 | 22% |
| €35,731 – €38,025 | 24% |
| €38,026 – €40,320 | 26% |
| €40,321 – €42,615 | 28% |
| €42,616 – €44,910 | 30% |
| €44,911 – €47,205 | 32% |
| €47,206 – €49,500 | 34% |
| €49,501 – €51,795 | 36% |
| €51,796 – €54,090 | 38% |
| €54,091 – €117,450 | 39% |
| €117,451 – €176,160 | 40% |
| €176,161 – €234,870 | 41% |
| Over €234,870 | 42% |
Tax Classes
Luxembourg's tax system categorizes taxpayers into different classes based on their personal circumstances:
- Class 1: Single individuals without children.
- Class 1a: Single parents and individuals aged over 65.
- Class 2: Married couples and civil partners opting for joint taxation.
Solidarity Surcharge
In addition to income tax, a solidarity surcharge applies:
- 7% of the income tax amount for most taxpayers.
- 9% for taxpayers in Class 1 and 1a with taxable income exceeding €150,000, and for Class 2 taxpayers with income exceeding €300,000.
Social Security Contributions
Employees in Luxembourg contribute to social security as follows:
- Health Insurance: 2.80%
- Pension Insurance: 8.00%
- Long-Term Care Insurance: 1.40% (on gross salary)
These contributions are capped at a monthly ceiling of €11,940 for health and pension insurance, but the long-term care insurance has no ceiling.
Tax Credits
Luxembourg offers several tax credits to reduce tax liability:
- Single Parent Tax Credit (CIM): Up to €3,504 for single parents with adjusted taxable income below €60,000. The credit decreases progressively for incomes between €60,000 and €105,000.
- Social Minimum Wage Tax Credit (CISSM): Ensures that employees earning the minimum wage have no tax liability.
- CO₂ Tax Credit (CI-CO₂): €192 annually for employees earning less than €40,000 gross per year, decreasing progressively up to €80,000.
- Home Purchase Tax Credit (Bëllegen Akt): For notarial deeds signed between 1 January 2024 and 30 June 2025, a tax credit of up to €40,000 per individual (€80,000 per couple) is available for the acquisition of a main residence.
Tax Filing and Deadlines
The tax year in Luxembourg runs from January 1 to December 31. Tax returns are typically due by March 31 of the following year. Employers withhold income tax and social security contributions at source through the PAYE (Pay As You Earn) system.
Tax Information
Detailed tax information for this country is coming soon. Our team is working on providing comprehensive tax guides for all countries.
In the meantime, you can use our calculator above to get an estimate of your after-tax income based on general tax rates.
For specific tax advice, we recommend consulting with a tax professional familiar with this country's tax system.
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