Luxembourgish nationality by naturalisation
Official name: Acquisition de la nationalité luxembourgeoise par naturalisation (Law of 8 March 2017)
Adults who have lived legally in Luxembourg for at least 5 years, with the final year before applying uninterrupted, can apply for naturalisation. They must pass the Luxembourgish language test (Sproochentest: speaking at A2, listening at B1) and complete the 'Vivre ensemble au Grand-Duché de Luxembourg' course or its exam. The procedure itself is free; the language test registration costs EUR 75. The Minister of Justice has 8 months to decide. A separate 'option' route exists for some categories.
Life in Luxembourg
Finance
3
Currency
Euro
EUR
Euro
Cost of living
99
Price level · US = 100
World Bank price levels, 2025
Tax
8–42%
Income tax (national)
VAT 17%
0% below EUR 13,230 and 42% above EUR 234,870 (class 1 tariff); plus employment fund surcharge of 7% of the tax (9% above EUR 150,000 for class 1).
Living
1
Happiness
#9 of 145 countries
World Happiness Report 2025
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Who it’s for
Adult foreign residents of Luxembourg with at least 5 years of legal residence.
Eligibility
Age and residence
Sign in to check this route against your profileYou need to be an adult who has legally lived in Luxembourg for at least 5 years.
Residence required
- Legal residence
- 5 years
- Final year before applyingmust be uninterrupted
- 1 year
- Applies to adults only
Official wording
Adults who have legally resided in Luxembourg for at least 5 years; the final year before applying must be uninterrupted.
Luxembourgish language test
Sign in to check this route against your profileTake the INLL Luxembourgish test: a speaking test at A2 and a listening test at B1.
Test levels and pass mark
- Speaking test
- A2
- Listening test
- B1
- Minimum speaking scoreat least
- 50%
- A weaker speaking score can be offset by listening
- The average of both scores must reach 50%
- Run by the National Institute for Languages (INLL)
Official wording
Run by the National Institute for Languages (INLL): speaking test at A2 and listening test at B1. You need at least 50% in speaking, but a weaker speaking score can be offset by listening if the average reaches 50%.
'Vivre ensemble' course or exam
Sign in to check this route against your profileComplete the 'Vivre ensemble au Grand-Duché de Luxembourg' course or pass its exam.
A sneak peek at what's inside
- Next requirement
- Document checklist
- Fees
The full requirements are for members
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- 1 more requirement
- 3 documents
- 2 fees
- 4 steps
- Processing times and conditions
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