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	NigerIndexed	GrenadaReviewed	ArgentinaReviewed
Legal family	Civil law (French tradition)	Common law	Civil law
System of government	Republic under military-led government	Constitutional monarchy	Federal presidential republic
Constitution	Constitution of the Seventh Republic (suspended)	The Grenada Constitution	Constitution of the Argentine Nation
In force since	2010	1973	1853
Capital	Niamey	Saint George's	Buenos Aires
Official languages	French, Hausa, Zarma	English	Spanish
Currency	West African CFA franc (XOF)	East Caribbean dollar (XCD)	Argentine peso (ARS)
Population	26,200,000	126,000	46,000,000
Division of powers	Under the suspended constitution, a semi-presidential system with a President, Prime Minister and National Assembly. Currently executive and legislative authority is concentrated in the CNSP and an appointed government.	Unitary. The state comprises Grenada, Carriacou and Petite Martinique; Carriacou and Petite Martinique have a Ministry and local administration but no separate legislature.	Federal. Twenty-three provinces plus the autonomous City of Buenos Aires retain all powers not delegated to the nation (Article 121). Substantive civil, commercial, criminal and labour law is federal and uniform, but each province legislates its own procedure and runs its own judiciary — an inversion of the United States allocation.
How law is made	Legislation is currently made by order of the governing authority and published in the Journal Officiel. The suspended constitution provided for ordinary parliamentary passage and presidential promulgation.	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 may be introduced in either chamber, by the executive, or by citizen initiative. One chamber acts as chamber of origin and the other as revising chamber; insistence rules resolve disagreement. The President may veto in whole or in part, and Congress overrides with two-thirds of both chambers. Necessity-and-urgency decrees are permitted but excluded from criminal, tax, electoral and party matters, and must pass a bicameral committee.
Legal profession	Avocats admitted through the Barreau du Niger after a law degree and traineeship; notaires and huissiers are separate offices.	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 five-to-six-year law degree followed by mandatory registration with a provincial or city bar association, which holds disciplinary power. The Colegio Público de Abogados de la Capital Federal governs practice in Buenos Aires. There is no separate bar examination; enrolment follows the degree. Notaries (escribanos) are a distinct numerus clausus profession with exclusive competence over real estate transfers.

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.