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	ParaguayReviewed	BruneiReviewed	TongaReviewed	MongoliaReviewed
Legal family	Civil law	Mixed common law and Islamic law	Common law with customary law	Civil law
System of government	Unitary presidential republic	Absolute monarchy	Constitutional monarchy	Semi-presidential republic
Constitution	Constitution of the Republic of Paraguay	Constitution of Brunei Darussalam	Act of Constitution of Tonga	Constitution of Mongolia
In force since	1992	1959	1875	1992
Capital	Asunción	Bandar Seri Begawan	Nuku'alofa	Ulaanbaatar
Official languages	Spanish, Guaraní	Malay, English	Tongan, English	Mongolian
Currency	Paraguayan guaraní (PYG)	Brunei dollar (BND)	Tongan paʻanga (TOP)	Mongolian tögrög (MNT)
Population	6,900,000	450,000	105,000	3,500,000
Division of powers	Unitary with seventeen departments and the capital district, each with an elected governor and departmental board holding administrative and limited fiscal competence. Legislative power is national.	Unitary, with four districts administered by district officers reporting to the Ministry of Home Affairs. No federal or devolved tier; village and mukim headmen have recognised consultative functions.	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. Twenty-one provinces (aimags) plus the capital, subdivided into soums and districts. Local self-governing assemblies (hurals) sit alongside centrally appointed governors, who are nominated locally but confirmed by the Prime Minister — a hybrid that keeps substantial central control over local administration.
How law is made	Bills may start in either chamber and must pass both. The President may object in whole or part; Congress overcomes an objection by absolute majority in both chambers. Constitutional amendment requires a two-thirds vote of each chamber and ratification by referendum; wholesale reform requires a constituent assembly.	In form, bills are introduced in the Legislative Council and assented to by the Sultan. In practice the significant instruments are Orders made by the Sultan under the emergency proclamation, which take effect on publication in the Government Gazette without Council passage. The Syariah Penal Code Order 2013 was enacted this way.	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 are introduced by members of the State Great Khural, the President or the Cabinet, considered in standing committee and then in plenary. The President may veto a bill in whole or in part, and the veto is overridden by a two-thirds majority. Laws take effect ten days after publication in the State Information Bulletin unless the statute provides otherwise. The Law on Legislation requires regulatory impact assessment and public consultation for draft laws.
Legal profession	A law degree and registration of the title with the Supreme Court, which maintains the roll and exercises discipline. Bar membership is voluntary. Because both Spanish and Guaraní are official, courts must provide interpretation, and practitioners outside Asunción are commonly bilingual.	Advocates and solicitors are admitted by the High Court under the Legal Profession Act, generally after qualifying in England, Malaysia, Singapore or Australia and completing local requirements. The profession is small — a few hundred practitioners — and foreign counsel may be admitted ad hoc for particular cases. Syariah practice is a separate track: Syariah lawyers are certified under the Syariah Courts Act and appear only in the Syariah hierarchy, so a matter that crosses both systems needs two sets of representation.	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.	Advocates are licensed under the Law on the Legal Status of Lawyers 2012, which separated the profession into advocates, prosecutors and notaries and created the Mongolian Bar Association as a self-governing body with mandatory membership. Entry requires a law degree, a qualifying examination and a period of supervised practice. Notaries hold a distinct licence and their involvement is mandatory for many property and corporate transactions, a survival of the Soviet-era formality requirements.

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.