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	TongaReviewed	UruguayReviewed	IraqReviewed
Legal family	Common law with customary law	Civil law	Civil law with Islamic law influence
System of government	Constitutional monarchy	Unitary presidential republic	Federal parliamentary republic
Constitution	Act of Constitution of Tonga	Constitution of the Oriental Republic of Uruguay	Constitution of the Republic of Iraq
In force since	1875	1967	2005
Capital	Nuku'alofa	Montevideo	Baghdad
Official languages	Tongan, English	Spanish	Arabic, Kurdish
Currency	Tongan paʻanga (TOP)	Uruguayan peso (UYU)	Iraqi dinar (IQD)
Population	105,000	3,400,000	45,500,000
Division of powers	Unitary. The Legislative Assembly legislates for the whole kingdom, and the island divisions of Tongatapu, Vava'u, Ha'apai, 'Eua and the Niuas are administrative districts headed by governors. Below that, town and district officers are elected under the Fakafekau'aki and District and Town Officers Act.	Unitary. Nineteen departments have elected intendentes and juntas with administrative and local taxing competence, and municipalities were added in 2010, but all legislative power belongs to the General Assembly.	Genuinely federal in form: 15 governorates not organised into a region, plus the Kurdistan Region, which has its own Parliament, government, judiciary and security forces. Governorates may petition to form new regions. Residual powers lie with the regions and governorates rather than the centre, and regional law prevails over federal law outside the exclusive federal competences — the reverse of the usual federal rule.
How law is made	Bills pass three readings in the Legislative Assembly and require the King's assent, which is a real rather than purely formal step. Ordinary bills need a simple majority. Amendments to the Constitution require a majority in the Assembly at three separate readings and the consent of the King and Privy Council, and clause 79 forbids any amendment affecting the law of liberty, the succession to the throne or the titles and hereditary estates of the nobles.	Bills pass both chambers; disagreement is resolved by the General Assembly sitting jointly. The executive may veto, overcome by three-fifths of the joint assembly. Distinctively, 25% of registered voters can force a referendum to repeal a statute within one year of promulgation, and 10% can initiate a constitutional plebiscite.	Bills are proposed by the President with the Council of Ministers, or by ten members or a committee of the Council of Representatives. They pass two readings and a vote, and the President ratifies within fifteen days, after which they are published and take effect. The Federation Council envisaged by the Constitution has never been created, so there is no second chamber in practice.
Legal profession	Law practitioners are admitted by the Chief Justice and licensed under the Law Practitioners Act, with the Tonga Law Society as the professional body. Most qualify overseas or at the University of the South Pacific. A practitioner working on land must know the Land Act's allotment system rather than general property law, because the constitutional bar on selling land means conveyancing in the ordinary sense does not exist.	A degree from the Universidad de la República or an accredited private faculty confers the title of abogado, with registration by the Supreme Court. Membership of the Colegio de Abogados del Uruguay is voluntary; the Supreme Court exercises discipline. Escribanos públicos are a separate profession with exclusive competence over conveyancing.	Lawyers are admitted by the Iraqi Bar Association under the Advocacy Law, with grades of practice determining which courts a member may appear in — a seniority ladder rather than a single right of audience. The Bar is self-governing and its licence is required for court work. The Kurdistan Region has its own bar association, and the two are administratively distinct, so practitioners generally hold the licence appropriate to where they appear.

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.