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Belgium

Kingdom of Belgium

Civil lawFederal parliamentary constitutional monarchyReviewed· 2026-08-02
Capital
Brussels
Population
11,800,000
Languages
Dutch, French
Currency
EUR

Belgium · Government

Government and administration in Belgium

How the executive, legislature and administrative state are organised, and which body is responsible for what.

The three branches

Head of State — The King
Reigns but does not rule; every act requires a countersigning minister.
Executive — Federal Government
Led by the Prime Minister; by convention linguistically balanced between Dutch and French speakers.
Legislative — Chamber of Representatives and Senate
150 directly elected representatives; the Senate is a 60-member body of the Regions and Communities since 2014.
Judicial — Judiciary and the High Council of Justice
The High Council of Justice vets judicial appointments and handles complaints about court operation.
Federated — Regional and Community governments
Six legislatures and governments with their own decree-making power.

How legislation is made

Most federal bills now follow a monocameral procedure in the Chamber of Representatives; the Senate intervenes only in the matters the Constitution reserves to bicameral treatment, such as constitutional revision and the institutional framework. The Council of State Legislation Section gives a prior opinion on drafts. A text is sanctioned and promulgated by the King and enters into force after publication in the Moniteur belge / Belgisch Staatsblad.

Enforcement institutions

Public prosecution service
Ministère public / openbaar ministerie, organised per judicial area.
Federal Police and Local Police
An integrated service structured on two autonomous levels since the 1998 reform.
Investigating judge
Juge d’instruction / onderzoeksrechter directs judicial investigations and authorises coercive measures.

Government bodies and regulators

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