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	IranReviewed	PalauReviewed
Legal family	Islamic law with civil law codification	Mixed common law with customary law
System of government	Islamic republic	Presidential republic in free association with the United States
Constitution	Constitution of the Islamic Republic of Iran	Constitution of the Republic of Palau
In force since	1979	1981
Capital	Tehran	Ngerulmud
Official languages	Persian	Palauan, English
Currency	Rial (IRR)	United States dollar (USD)
Population	89,000,000	18,000
Division of powers	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.	A republic of sixteen states, each with its own constitution, governor and legislature, over a small population — Palau has more layers of government per head than almost anywhere. The national Council of Chiefs, made up of the paramount chief of each state, advises the President on custom and traditional law, and the two highest-ranking chiefly titles of Koror and Melekeok carry particular weight.
How law is made	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.	Bills must pass both the Senate and the House of Delegates and are then presented to the President, who may veto; Congress may override with a two-thirds vote of each chamber. Because the House gives every state one delegate regardless of population, the smallest states hold disproportionate weight in the second chamber. Constitutional amendments require a three-quarters vote of each house or a convention, followed by approval at referendum in a majority of the states.
Legal profession	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.	Admission is to the Supreme Court under rules that recognise United States bar qualifications, and a substantial part of the bar and bench trained in the US. Palau also licenses trial assistants to appear in the Court of Common Pleas and the Land Court, which is how much routine representation is provided. Land Court practice is a specialism in itself, given the layers of Spanish, German, Japanese and Trust Territory administration that Palauan title claims have to be traced through.

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.