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	OmanReviewed	NamibiaReviewed	LithuaniaReviewed	TongaReviewed
Legal family	Civil law	Mixed (civil law and Islamic law)	Mixed Roman-Dutch and English common law	Civil law	Common law with customary law
System of government	Unitary presidential republic	Unitary absolute monarchy	Semi-presidential republic	Unitary semi-presidential republic	Constitutional monarchy
Constitution	Constitution of the Republic of Paraguay	Basic Law of the State	Constitution of the Republic of Namibia	Constitution of the Republic of Lithuania	Act of Constitution of Tonga
In force since	1992	1996	1990	1992	1875
Capital	Asunción	Muscat	Windhoek	Vilnius	Nuku'alofa
Official languages	Spanish, Guaraní	Arabic	English	Lithuanian	Tongan, English
Currency	Paraguayan guaraní (PYG)	Omani rial (OMR)	Namibian dollar (NAD)	Euro (EUR)	Tongan paʻanga (TOP)
Population	6,900,000	4,600,000	2,600,000	2,860,000	105,000
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. Eleven governorates headed by appointed governors, with municipal councils holding advisory functions over local services. No legislative competence exists below the national level.	Unitary with 14 administrative regions and elected regional councils, which also constitute the National Council, the upper chamber. Traditional authorities exercise recognised functions over communal land and customary law.	Semi-presidential government with a directly elected President focused on foreign and security policy, a Government answerable to the Seimas, and a separate Constitutional Court.	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.
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.	Draft legislation is prepared by ministries and the Council of Ministers, may be referred to the Council of Oman for review, and takes effect on the Sultan's signature and publication in the Official Gazette. The Majlis al-Shura may propose legislation and question ministers, and its role was modestly strengthened after 2011, but it cannot enact or block a royal decree.	Bills pass the National Assembly through three readings, then go to the National Council for review. The Council may confirm, propose amendments, or object; the Assembly can override an objection by a two-thirds majority. The President then assents, and constitutional amendments require two-thirds of both chambers and may never diminish the rights chapter.	Bills are adopted by the Seimas and signed by the President, who may veto and return a bill for reconsideration.	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.
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.	Advocacy is regulated by the Ministry of Justice and Legal Affairs; Omani nationality is required for rights of audience, and foreign lawyers practise as consultants within licensed firms. Pleadings are in Arabic. Judges are appointed by royal decree on the recommendation of the Supreme Judicial Council. Notarisation is required for real property dispositions, and land registration is administered by the Ministry of Housing and Urban Planning.	A fused profession under the Legal Practitioners Act: a single class of legal practitioner is admitted after a law degree and the Justice Training Centre's postgraduate course, and the Law Society of Namibia regulates practice.	Advocates belong to the Lithuanian Bar Association; notaries handle property, company and succession formalities.	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 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.