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	ChadIndexed	TurkeyReviewed
Legal family	Common law with customary law	Mixed (French civil law, customary and Islamic law)	Civil law
System of government	Constitutional monarchy	Unitary presidential republic	Unitary presidential republic
Constitution	Act of Constitution of Tonga	Constitution of the Republic of Chad	Constitution of the Republic of Türkiye
In force since	1875	2023	1982
Capital	Nuku'alofa	N'Djamena	Ankara
Official languages	Tongan, English	French, Arabic	Turkish
Currency	Tongan paʻanga (TOP)	Central African CFA franc (XAF)	Turkish lira (TRY)
Population	105,000	18,300,000	85,300,000
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.	Presidential system with a Prime Minister, a bicameral Parliament of National Assembly and Senate under the 2023 text, and a judiciary headed by the Supreme Court.	Unitary. 81 provinces administered by centrally appointed governors, alongside elected metropolitan and district municipalities with their own mayors and councils. Local government has genuine budgetary weight in the large cities but no legislative competence.
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 are examined in committee and plenary and passed by the legislature, then promulgated by the President. The Constitutional Council may be seised before promulgation.	Bills are introduced by members or the executive, examined in committee and passed by the Assembly. The President may return a law once for reconsideration; if the Assembly re-adopts it unchanged the President must promulgate it or refer it to the Constitutional Court. Presidential decrees take effect on publication in the Official Gazette but lapse where the Assembly later legislates on the same subject.
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.	Avocats admitted through the Ordre des avocats du Tchad; the profession is concentrated in N'Djamena.	A single profession of avukat, admitted after a four-year law faculty degree and a one-year traineeship, with compulsory membership of a provincial bar association under the Union of Turkish Bar Associations. Representation by counsel is mandatory for companies in most litigation. Judges and prosecutors form a separate career entered by examination and the Justice Academy, and notaries hold a licensed monopoly over authenticated instruments — property transfers require both notarial and land registry formality.

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.