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	SpainReviewed	PalauReviewed
Legal family	Common law with customary law	Civil law	Mixed common law with customary law
System of government	Constitutional monarchy	Unitary parliamentary constitutional monarchy	Presidential republic in free association with the United States
Constitution	Act of Constitution of Tonga	Spanish Constitution	Constitution of the Republic of Palau
In force since	1875	1978	1981
Capital	Nuku'alofa	Madrid	Ngerulmud
Official languages	Tongan, English	Spanish	Palauan, English
Currency	Tongan paʻanga (TOP)	Euro (EUR)	United States dollar (USD)
Population	105,000	48,400,000	18,000
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.	A constitutional monarchy with the King as head of state, an executive led by the President of the Government, a bicameral parliament and an independent judiciary, overlaid by extensive regional self-government.	A republic of sixteen states, each with its own constitution, governor and legislature, over a small population — Palau has more layers of government per head than almost anywhere. The national Council of Chiefs, made up of the paramount chief of each state, advises the President on custom and traditional law, and the two highest-ranking chiefly titles of Koror and Melekeok carry particular weight.
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 pass both chambers of the Cortes Generales, with the Congress of Deputies able to override the Senate, and receive royal assent.	Bills must pass both the Senate and the House of Delegates and are then presented to the President, who may veto; Congress may override with a two-thirds vote of each chamber. Because the House gives every state one delegate regardless of population, the smallest states hold disproportionate weight in the second chamber. Constitutional amendments require a three-quarters vote of each house or a convention, followed by approval at referendum in a majority of the states.
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.	Abogados belong to local bar associations (colegios de abogados); procuradores represent parties procedurally and notaries authenticate deeds and company acts.	Admission is to the Supreme Court under rules that recognise United States bar qualifications, and a substantial part of the bar and bench trained in the US. Palau also licenses trial assistants to appear in the Court of Common Pleas and the Land Court, which is how much routine representation is provided. Land Court practice is a specialism in itself, given the layers of Spanish, German, Japanese and Trust Territory administration that Palauan title claims have to be traced through.

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.