This ad hoc query maps the pathways to citizenship in place across EMN Member and Observer countries. The information reported covers the possibility of dual citizenship, the residence, linguistic and economic criteria to obtain citizenship, and the process fees required by responding countries.

The Belgian Chamber of Representatives has adopted a law raising the fee for registering the acquisition of Belgian nationality from €150 to €1.000. The change, included in the programme law adopted on 18 July 2025, forms part of a broader package of budgetary measures. The new fee will apply to applications submitted after the law enters into force and will be indexed annually.