Comparison

Read two legal systems against each other

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
Attribute	MonacoReviewed	NauruReviewed	Holy See (Vatican City)Reviewed
Legal family	Civil law	Common law with customary law	Canon law and civil law
System of government	Constitutional hereditary monarchy	Parliamentary republic	Ecclesiastical elective absolute monarchy
Constitution	Constitution of the Principality of Monaco	Constitution of Nauru	Fundamental Law of Vatican City State
In force since	1962	1968	2023
Capital	Monaco	Yaren (seat of government)	Vatican City
Official languages	French	Nauruan, English	Italian, Latin
Currency	Euro (EUR)	Australian dollar (AUD)	Euro (EUR)
Population	39,000	12,500	800
Division of powers	A 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 Suprême acting as both constitutional and supreme administrative court.	Unitary and highly centralised — Nauru has no second tier of general government. The Nauru Island Council was abolished in 1999, so the state deals directly with citizens, though the 14 districts remain the basis for parliamentary constituencies and the twelve tribes retain social significance in land and title questions.	Power is concentrated in the Supreme Pontiff, exercised through the Pontifical Commission for Vatican City State (legislative), the Governorate (executive) and the Vatican tribunals (judicial).
How law is made	A 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 receive three readings in the 19-member chamber and are assented to by the President. Ordinary legislation needs a simple majority, but the entrenched provisions of Part XI require a two-thirds majority and, for the most protected articles, approval at a referendum — the barrier that defeated the 2010 reform proposals.	Laws are prepared by the Pontifical Commission and take effect with the Pope’s approval, published in the Acta Apostolicae Sedis supplement.
Legal profession	A small bar of avocats-défenseurs, 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 very small fused profession admitted by the Supreme Court under the Legal Practitioners Act 1973, supplemented by pleaders — non-lawyers licensed to appear in the District Court and before the Lands Committee, a practical necessity given the number of resident lawyers. Judicial officers are frequently appointed from Australia, New Zealand or elsewhere in the Pacific.	Advocates are enrolled with the Vatican tribunals; canon lawyers (canonists) practise before ecclesiastical courts.

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 — the constitutional detail behind a one-line summary is often the part that governs the outcome.