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	New ZealandReviewed	Marshall IslandsReviewed
Legal family	Common law	Mixed common law with customary law
System of government	Constitutional monarchy	Parliamentary republic in free association with the United States
Constitution	Uncodified — principally the Constitution Act 1986	Constitution of the Marshall Islands
In force since	1986	1979
Capital	Wellington	Majuro
Official languages	English, Māori, New Zealand Sign Language	Marshallese, English
Currency	New Zealand dollar (NZD)	United States dollar (USD)
Population	5,200,000	42,000
Division of powers	Unitary. Parliament legislates for the whole country and there are no states or provinces. Regional and territorial authorities exist only under the Local Government Act 2002 and exercise delegated statutory powers. Tokelau is a non-self-governing territory, while the Cook Islands and Niue are self-governing in free association with New Zealand and have their own legal systems.	Unitary with strong local government. Each inhabited atoll has an elected local council with substantial authority over land use and local services, and the Council of Iroij, a body of twelve traditional leaders, reviews legislation affecting custom and land and may express its opinion to the Nitijela.
How law is made	A bill has a first reading, select committee scrutiny (usually with public submissions), second reading, committee of the whole House, and third reading, followed by Royal assent. There is no upper house, so the select committee stage carries the weight that a second chamber would elsewhere. The Attorney-General must report to the House under section 7 of the Bill of Rights Act on any bill that appears inconsistent with protected rights, but the House may pass it anyway. Reserved provisions of the Electoral Act 1993 require either 75% of all members or a majority at referendum.	Bills pass the Nitijela and are signed by the President. Legislation affecting customary law, land tenure or traditional practice must be referred to the Council of Iroij, which may return its opinion to the chamber; the Nitijela may proceed regardless, but the referral is a required step. Constitutional amendments require either a two-thirds vote of the Nitijela followed by a referendum, or a constitutional convention.
Legal profession	A fused profession under the Lawyers and Conveyancers Act 2006: a lawyer is admitted as a barrister and solicitor of the High Court, and may then practise as a barrister sole or in a firm. Admission requires an approved law degree, the Professional Legal Studies Course and a certificate of character. The New Zealand Law Society \| Te Kāhui Ture o Aotearoa regulates the profession, and King's Counsel are appointed from senior practitioners.	Practitioners are admitted by the Supreme Court, and admission rules recognise United States legal qualifications, so much of the bar trained in the US. The Traditional Rights Court works differently: its judges are selected for knowledge of custom and traditional title rather than legal qualification, and proceedings there are conducted in Marshallese.

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.