Belgium
Belgium is an EU and Schengen member state with a federal structure in which immigration is split between federal competence (residence, the Immigration Office/Office des Etrangers, nationality) and regional competence (the work-authorisation component of the single permit, handled by Flanders, Wallonia and the Brussels-Capital Region). Most third-country nationals who want to work and reside for more than 90 days apply through the 'single permit' (combined work and residence permit), with the employer initiating the file in the relevant Region. Salary thresholds for highly qualified work and the EU Blue Card differ by region and are indexed annually.
Immigration Pathways
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The single permit is the standard route for third-country nationals working in Belgium for more than 90 days. It combines work authorisation and residence into one document; the employer initiates the application with the competent Region.
- Processing time
- Approx. 4 months (regional + federal decision combined)
- Validity
- Up to 3 years (often aligned to the employment contract); renewable
- Language requirement
- No language requirement for the permit itself; required later for long-term residence/nationality
- Documents
- 4 required
- Permanent residence
- Yes · Eligible for unlimited residence after 5 years of legal and uninterrupted residence
- Citizenship
- Yes · Eligible for nationality by declaration after 5 years of legal residence (10-year route also exists)
The EU Blue Card is a residence and work permit for highly qualified third-country nationals with a qualifying job offer and a salary above the regional Blue Card threshold. It offers facilitated EU mobility and a faster path to long-term residence.
- Processing time
- Approx. 4 months
- Validity
- Issued for the contract duration plus 3 months, typically up to ~3 years; renewable
- Language requirement
- None for the Blue Card itself
- Documents
- 5 required
- Permanent residence
- Yes · Eligible for unlimited/long-term residence after 5 years (Blue Card periods in other EU states may count toward this)
- Citizenship
- Yes · Nationality by declaration after 5 years of legal residence
Third-country nationals admitted to a recognised Belgian higher education institution can obtain authorisation to stay for studies. Students may work part-time within set limits and may transition to work after graduation.
- Processing time
- Varies; commonly several weeks to a few months
- Validity
- One year, renewable for the duration of studies
- Language requirement
- Set by the institution/programme (Dutch, French, or English)
- Documents
- 5 required
- Permanent residence
- Yes · Counts partially toward long-term residence; full eligibility after 5 years of legal residence
- Citizenship
- Yes · Study periods count toward the residence requirement for nationality by declaration after 5 years
A 12-month residence permit allowing third-country nationals who have completed higher education studies or a research project in Belgium to remain and seek employment or establish a business, with the goal of transitioning to an employment-based residence permit. Holders receive an A card marked 'job seeker' and have full, unrestricted access to the Belgian labour market during this period.
- Processing time
- 90 days (statutory maximum); provisional certificate issued if deadline exceeded
- Validity
- 12 months (A card, non-renewable)
- Language requirement
- None specified for the permit itself; integration obligations apply after transition to employment-based status
- Documents
- 6 required
Third-country nationals who want to carry out a self-employed/independent professional activity in Belgium need a professional card, issued by the competent Region, in addition to a residence authorisation.
- Processing time
- Several weeks to a few months depending on the Region
- Validity
- Up to 5 years depending on the Region; renewable
- Language requirement
- None for the permit
- Documents
- 4 required
- Permanent residence
- Yes · Eligible for long-term residence after 5 years of legal residence
- Citizenship
- Yes · Nationality by declaration after 5 years of legal residence
Allows non-EEA nationals to bring qualifying family members to Belgium. Major restrictions introduced by the Law of 18 July 2025: minimum sponsor/applicant age raised to 21, income threshold set at €2,408.79/month net (indexed), +10% per additional dependent, subsidiary protection beneficiaries subject to a 2-year waiting period, and the refugee income exemption reduced from 12 to 6 months post-recognition.
- Processing time
- Up to 6 months (extendable in complex cases)
- Validity
- Typically aligned to the sponsor's status; commonly 1 year renewable, leading to longer-term residence
- Language requirement
- None for the permit; may apply for later integration/long-term residence
- Documents
- 5 required
- Permanent residence
- Yes · Eligible for unlimited residence after 5 years of legal residence
- Citizenship
- Yes · Nationality by declaration after 5 years of legal residence
Third-country nationals carrying out research at an approved Belgian research organisation can be admitted under a hosting agreement, transposing the EU Researcher Directive, with facilitated EU mobility.
- Processing time
- Approx. 4 months
- Validity
- Duration of the research project/hosting agreement; renewable
- Language requirement
- None for the permit
- Documents
- 4 required
- Permanent residence
- Yes · Eligible for long-term residence after 5 years of legal residence
- Citizenship
- Yes · Nationality by declaration after 5 years of legal residence
After five years of continuous legal residence, third-country nationals can obtain the EU long-term resident status / unlimited residence in Belgium, granting more stable rights and facilitated mobility within the EU.
- Processing time
- Variable; assessed by the Immigration Office
- Validity
- Long-term/unlimited residence; the card is renewed periodically but status is durable
- Language requirement
- Knowledge of a national language and social/economic integration is generally required
- Documents
- 4 required
- Permanent residence
- Yes · Available after 5 years of legal and uninterrupted residence
- Citizenship
- Yes · Nationality by declaration also available after 5 years of legal residence
Allows long-term legal residents to acquire Belgian citizenship by declaration of acquisition or naturalisation. The registration fee was increased to €1,000 by the law of 18 July 2025 (previously €150), indexed annually from 1 January 2026. The declaration of recovery of Belgian nationality remains free of charge.
- Processing time
- Several months for the declaration procedure
- Validity
- Permanent (citizenship)
- Language requirement
- Proof of knowledge of one of the three national languages (Dutch, French, or German)
- Documents
- 5 required
- Permanent residence
- Yes · N/A - confers full citizenship
- Citizenship
- Yes · Declaration of acquisition available after 5 years of legal residence (a 10-year route with lighter conditions also exists)