Monaco

• The Constitution of 1962, the highest law, which grants power to the Prince and a National Council
• Codes modelled on the French codes, adapted for Monaco
• Treaties with France, which shape many areas of law
• Decisions of the Supreme Tribunal and the Court of Revision

• The Supreme Tribunal, which reviews laws and administrative acts
• The Court of Revision, a court of cassation
• The Court of Appeal, the Court of First Instance and the Justice of the Peace

A law degree, usually from France, and admission to the Monaco Bar.

• Several judges are French magistrates who sit in Monaco under a treaty.
• French codes were adopted in the nineteenth century and have been adapted since.
• The Prince has wide powers under the Constitution.

France, Andorra, Liechtenstein, Luxembourg, Italy

The University of Ottawa’s JuriGlobe database lists Monaco as: Civil law. It names the systems in order of importance.

The map colours a country by the first-named system, and shows both civil-law and common-law countries as “mixed”. It is a simplification, and real systems are rarely pure.

Albania, Algeria, Angola, Argentina, Armenia, Austria, Azerbaijan, Belarus, Belgium, Benin, Bolivia, Bosnia and Herzegovina, Brazil, Bulgaria.

• JuriGlobe: world legal systems (University of Ottawa)
• Constitute Project: constitution of Monaco

Sources last reviewed: October 2026.