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Comparison

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Because every portal follows the same fifteen-section outline, the comparison is genuinely like-for-like rather than a collage of whatever each government happens to publish.

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Comparison of selected legal systems
AttributeMonacoReviewedMexicoReviewedSpainReviewed
Legal familyIdenticalCivil lawCivil lawCivil law
System of governmentConstitutional hereditary monarchyFederal presidential republicUnitary parliamentary constitutional monarchy
ConstitutionConstitution of the Principality of MonacoPolitical Constitution of the United Mexican StatesSpanish Constitution
In force since196219171978
CapitalMonacoMexico CityMadrid
Official languagesFrenchSpanish, Nahuatl, Yucatec MayaSpanish
CurrencyEuro (EUR)Mexican peso (MXN)Euro (EUR)
Population39,000130,000,00048,400,000
Division of powersA unitary state of about two square kilometres with a single commune. Legislative power is exercised jointly by the Prince and the National Council; executive power belongs to the Prince, exercised through the Minister of State and the Government Council; judicial power is delegated by the Prince to the courts, with the Tribunal Suprรชme acting as both constitutional and supreme administrative court.Federal. Powers not expressly granted to the union are reserved to the 32 states (Article 124). States run their own civil, family and criminal-enforcement codes, but criminal procedure, labour and commercial law were federalised to produce single national codes.A constitutional monarchy with the King as head of state, an executive led by the President of the Government, a bicameral parliament and an independent judiciary, overlaid by extensive regional self-government.
How law is madeA bill may be initiated by the Prince or proposed by the National Council. Government bills are laid before the Council, examined in committee and voted; adoption requires the agreement of both the Prince and the Council. The Prince then promulgates the law by sovereign ordinance and it is published in the Journal de Monaco.Bills may be introduced by the President, either chamber, state legislatures or by citizens with 0.13% of the electoral roll. Both chambers must pass an identical text; the President may veto, and Congress overrides with two-thirds of each chamber. Constitutional amendments need two-thirds of Congress plus a majority of state legislatures (Article 135).Bills pass both chambers of the Cortes Generales, with the Congress of Deputies able to override the Senate, and receive royal assent.
Legal professionA small bar of avocats-dรฉfenseurs, avocats and avocats stagiaires, organised as the Ordre des Avocats, with admission requiring Monegasque nationality preference, a law degree and a traineeship. French avocats may appear in specified circumstances. Notaries are appointed by sovereign ordinance and are few in number.A law degree plus a cรฉdula profesional from the Education Ministry licenses practice; there is no compulsory bar examination or single mandatory bar, which distinguishes Mexico from most of the region. Notaries public are a separate, strictly limited state-appointed profession with exclusive competence over real estate and company deeds.Abogados belong to local bar associations (colegios de abogados); procuradores represent parties procedurally and notaries authenticate deeds and company acts.

A comparison table flattens nuance by design. Where a difference matters to a decision you are making, open both portals and read the section in full โ€” the constitutional detail behind a one-line summary is often the part that governs the outcome.