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	MexicoReviewed	GrenadaReviewed	YemenReviewed
Legal family	Civil law	Common law	Mixed (Islamic law and civil law)
System of government	Federal presidential republic	Constitutional monarchy	Republic with contested authority
Constitution	Political Constitution of the United Mexican States	The Grenada Constitution	Constitution of the Republic of Yemen
In force since	1917	1973	1991
Capital	Mexico City	Saint George's	Sana'a (constitutional); Aden (interim seat of government)
Official languages	Spanish, Nahuatl, Yucatec Maya	English	Arabic
Currency	Mexican peso (MXN)	East Caribbean dollar (XCD)	Yemeni rial (YER)
Population	130,000,000	126,000	34,400,000
Division of powers	Federal. Powers not expressly granted to the union are reserved to the 32 states (Article 124). States run their own civil, family and criminal-enforcement codes, but criminal procedure, labour and commercial law were federalised to produce single national codes.	Unitary. The state comprises Grenada, Carriacou and Petite Martinique; Carriacou and Petite Martinique have a Ministry and local administration but no separate legislature.	Nominally unitary with twenty-two governorates and appointed governors, and a 2000 local authority law providing for elected local councils. In practice territorial control is divided between rival authorities, and the 2015 draft federal constitution proposing six regions was never adopted.
How law is made	Bills may be introduced by the President, either chamber, state legislatures or by citizens with 0.13% of the electoral roll. Both chambers must pass an identical text; the President may veto, and Congress overrides with two-thirds of each chamber. Constitutional amendments need two-thirds of Congress plus a majority of state legislatures (Article 135).	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.	Under the constitution, bills are passed by the House of Representatives and ratified by the head of state, with publication in the Official Gazette. Since 2014 this process has not operated normally: the recognised government legislates largely by decree from Aden, and the Houthi authorities issue their own instruments in the areas they control. Determining the applicable rule in a given place and period is a factual question, not merely a legal one.
Legal profession	A law degree plus a cédula profesional from the Education Ministry licenses practice; there is no compulsory bar examination or single mandatory bar, which distinguishes Mexico from most of the region. Notaries public are a separate, strictly limited state-appointed profession with exclusive competence over real estate and company deeds.	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.	Advocates are licensed under the Advocacy Law and organised in the Yemeni Bar Association, which has continued to operate and to make representations about judicial independence throughout the conflict. Judges are trained at the High Judicial Institute and appointed by the Supreme Judicial Council, but appointments made by rival authorities since 2014 are not mutually recognised. Legal aid is minimal and provided mainly by non-governmental organisations.

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.