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
Attribute	MonacoReviewed	QatarReviewed	IranReviewed
Legal family	Civil law	Mixed (civil law and Islamic law, with a common-law financial centre)	Islamic law with civil law codification
System of government	Constitutional hereditary monarchy	Unitary constitutional monarchy	Islamic republic
Constitution	Constitution of the Principality of Monaco	Permanent Constitution of the State of Qatar	Constitution of the Islamic Republic of Iran
In force since	1962	2004	1979
Capital	Monaco	Doha	Tehran
Official languages	French	Arabic	Persian
Currency	Euro (EUR)	Qatari riyal (QAR)	Rial (IRR)
Population	39,000	3,000,000	89,000,000
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. Eight municipalities administered centrally, with a Central Municipal Council of twenty-nine elected members holding advisory functions over local services only.	Unitary, with 31 provinces headed by governors-general appointed by the Interior Ministry, alongside elected city and village councils created by the Constitution and operating since 1999 with limited competences.
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.	The Council of Ministers prepares draft legislation, which goes to the Shura Council for review and then to the Emir for ratification and publication in the Official Gazette. The Emir may return a bill to the Council, and may legislate by decree when the Shura Council is not in session, subject to later submission. Following the 2024 amendment the Council is entirely appointed, so there is no elected legislative check.	A bill is introduced by the Government or by at least fifteen deputies, passes the Majlis, and goes to the Guardian Council, which has ten days, extendable, to find it consistent with Islam and the Constitution. If the Council objects, the bill returns for amendment; persistent disagreement goes to the Expediency Discernment Council, whose decision is final. Only then does the President sign and publish.
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.	Advocacy before the ordinary courts is reserved to Qatari nationals on the roll of advocates, with foreign lawyers licensed as consultants; onshore pleadings are in Arabic. The QICDRC admits common-law practitioners and sits in English. Attestation before the Ministry of Justice notary is required for powers of attorney, company documents and real property transfers.	Two parallel routes to practice, which is unusual and consequential: attorneys licensed by the Iranian Bar Association (Kanoon-e Vokala), a self-governing body dating to 1953, and attorneys licensed under Article 187 of the Third Development Plan directly by the judiciary. The two groups have contested each other's standing for two decades. Notaries operate licensed offices under the registration organisation, and their authentication is required for property transfers, marriage contracts and powers of attorney.

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.