Comparison

Read two legal systems against each other

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	ComorosReviewed	LithuaniaReviewed	GrenadaReviewed
Legal family	Common law with customary law	Mixed French civil law and Islamic law	Civil law	Common law
System of government	Constitutional monarchy	Federal presidential republic	Unitary semi-presidential republic	Constitutional monarchy
Constitution	Act of Constitution of Tonga	Constitution of the Union of the Comoros	Constitution of the Republic of Lithuania	The Grenada Constitution
In force since	1875	2001	1992	1973
Capital	Nuku'alofa	Moroni	Vilnius	Saint George's
Official languages	Tongan, English	Comorian, Arabic, French	Lithuanian	English
Currency	Tongan paʻanga (TOP)	Comorian franc (KMF)	Euro (EUR)	East Caribbean dollar (XCD)
Population	105,000	850,000	2,860,000	126,000
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.	Federal. Grande Comore, Anjouan and Mohéli each have a governor and their own assembly with substantial autonomy over local administration, while the Union handles defence, currency, foreign affairs and nationality.	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 state comprises Grenada, Carriacou and Petite Martinique; Carriacou and Petite Martinique have a Ministry and local administration but no separate legislature.
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 originate with the government or members of the Assembly of the Union, are examined in committee and passed by the Assembly, then promulgated by the President. Matters within island competence are legislated by the island assemblies, and disputes over the boundary between Union and island competence are a standing feature of Comorian constitutional practice.	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 both Houses and receive the Governor-General's assent. Constitutional amendments to entrenched provisions need a two-thirds majority in the House of Representatives and then approval by a referendum, a double lock that has defeated every reform package put to voters.
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 small bar of avocats admitted after French-model legal training, supplemented by qadis who require religious-law qualification for the personal-status jurisdiction; many practitioners train in France or Madagascar.	Advocates belong to the Lithuanian Bar Association; notaries handle property, company and succession formalities.	A fused profession of legal practitioners admitted by the High Court under the Legal Profession Act, after a law degree and the Legal Education Certificate. The Grenada Bar Association represents practitioners.

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.