Tax Updates8 min

Luxembourg Tax Changes 2025: What Changes for Your Salary

Main Tax Changes 2025

The year 2025 brings several significant changes to Luxembourg taxation, with measures aimed at improving purchasing power and simplifying administrative procedures.

Increased Tax Allowances

Personal Allowance

2024

€1,350

2025

€1,440

+€90 (+6.7%)

Married Couples Allowance

2024

€2,700

2025

€2,880

+€180 (+6.7%)

New Family Measures

Enhanced Child Tax Credit

The child tax credit increases from €921 to €1,000 per child per year, an increase of €79 per child.

Monthly impact per child

+€6.58

New Childcare Bonus

Introduction of a tax credit for childcare expenses for children aged 0 to 12, capped at €2,400 per child per year.

  • 50% reimbursement of childcare costs
  • Applicable to licensed nurseries, daycare centers and childminders
  • Direct deduction from tax owed

Social Contribution Changes

Rate Stability

Good news: social contribution rates remain unchanged in 2025.

Pension

8%

Health

2.8%

Dependency

1.4%

Tax Digitalization

100% Digital Tax Return

From 2025, tax returns become fully digital with:

  • Automatic pre-filling of employer data
  • Simplified and intuitive interface
  • Real-time data validation
  • Accelerated file processing

New MyGuichet.lu Portal

Complete portal redesign with improved user experience and integration of new online tax services.

Impact on Your Net Salary

Concrete Savings Examples

Single without children - €4,000 gross/month

Monthly gain: +€7.50 net

Or +€90 per year thanks to increased personal allowance

Married couple, 2 children - €6,000 gross/month

Monthly gain: +€28.17 net

Couple allowance (+€180) + child credit (+€158) = +€338 per year

Single parent, 1 child in care - €3,500 gross/month

Monthly gain: +€207.50 net

Allowance (+€90) + child credit (+€79) + care bonus (+€2,400) = +€2,569 per year

Our Advice

Use our salary calculator updated with all 2025 changes to accurately estimate the impact of these changes on your net compensation. The new rules are already integrated into our calculations!