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	BotswanaReviewed	GrenadaReviewed	UruguayReviewed
Legal family	Common law with customary law	Mixed Roman-Dutch and English common law	Common law	Civil law
System of government	Constitutional monarchy	Parliamentary republic	Constitutional monarchy	Unitary presidential republic
Constitution	Act of Constitution of Tonga	Constitution of Botswana	The Grenada Constitution	Constitution of the Oriental Republic of Uruguay
In force since	1875	1966	1973	1967
Capital	Nuku'alofa	Gaborone	Saint George's	Montevideo
Official languages	Tongan, English	English, Setswana	English	Spanish
Currency	Tongan paʻanga (TOP)	Botswana pula (BWP)	East Caribbean dollar (XCD)	Uruguayan peso (UYU)
Population	105,000	2,680,000	126,000	3,400,000
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. Districts and sub-districts administer central policy, and the House of Chiefs (Ntlo ya Dikgosi) is an advisory chamber that must be consulted on bills affecting customary law, tribal organisation and tribal property.	Unitary. The state comprises Grenada, Carriacou and Petite Martinique; Carriacou and Petite Martinique have a Ministry and local administration but no separate legislature.	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.
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 introduced in the National Assembly, take three readings with committee scrutiny between the second and third, and go to the President for assent. Bills affecting customary law, tribal property or the organisation of the tribes must first be referred to the Ntlo ya Dikgosi for its opinion, though that opinion does not bind the Assembly.	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.	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.
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 fused profession of attorneys admitted by the High Court after a recognised law degree and articles of pupillage; there is no split between advocates and attorneys, and the Law Society of Botswana regulates practice.	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 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.

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.