🇧🇪 Belgium · Naturalisation
Citizenship by Declaration — 5y residence (Art. 12bis § 1, 2°) — requirements, costs & how to apply
Who is eligible
| Minimum monthly income | €3,900 |
| Minimum annual salary | €46,800 |
| Proof of savings | €4,500 |
| Minimum investment | €10,000 |
| Work experience | 5+ years |
| Language level | A2 |
| Age range | 18–None |
Costs
| Application / consular fee | €150 |
Duration & renewal
Citizenship possible after 5 years.
Who can apply
Open to all nationalities.
How to apply
- Confirm you meet the eligibility above.
- Gather documents and apply via the official portal: https://www.ejustice.just.fgov.be/cgi_loi/change_lg.pl?language=fr&la=F&cn=1984062835&table_name=loi.
Frequently asked
How much income do I need?
You must show €3,900.
Sources & verification
Every figure on this page is taken from an official government source and dated. Nothing is inferred.
Minimum monthly income
Minimum annual salary
Proof of savings
Minimum investment
Work experience
Language level
Age range
“An individual must be at least eighteen years old to apply for nationality by declaration.”
Application fee
Years to citizenship
Open to all nationalities
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Informational only, not legal or immigration advice. Requirements change — always confirm on the official government source linked above before applying. Last verified 2026-06-08.