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	TanzaniaReviewed	ChadIndexed	LibyaIndexed
Legal family	Mixed (common law, customary law, Islamic law)	Mixed (French civil law, customary and Islamic law)	Civil law with Islamic law as a source
System of government	Unitary presidential republic with autonomous Zanzibar	Unitary presidential republic	Provisional government with contested authority
Constitution	Constitution of the United Republic of Tanzania	Constitution of the Republic of Chad	Constitutional Declaration (interim)
In force since	1977	2023	2011
Capital	Dodoma	N'Djamena	Tripoli
Official languages	Swahili, English	French, Arabic	Arabic
Currency	Tanzanian Shilling (TZS)	Central African CFA franc (XAF)	Libyan dinar (LYD)
Population	67,400,000	18,300,000	6,900,000
Division of powers	Presidential system with a Prime Minister, a unicameral National Assembly, and a separate Zanzibar government with its own House of Representatives and judiciary up to the Zanzibar High Court.	Presidential system with a Prime Minister, a bicameral Parliament of National Assembly and Senate under the 2023 text, and a judiciary headed by the Supreme Court.	Nominally unitary with governorates and municipalities. In practice authority is divided between competing administrations and local armed actors, and municipal councils have in many places become the most functional layer of government.
How law is made	Bills are read three times with committee scrutiny in the National Assembly. Bills affecting Zanzibar's Union interests require particular majorities. The President assents; a returned bill passed again by two-thirds must be assented to or the Assembly dissolved.	Bills are examined in committee and plenary and passed by the legislature, then promulgated by the President. The Constitutional Council may be seised before promulgation.	There is no single functioning legislative process. The House of Representatives passes laws that the High Council of State contests, and the rival administrations issue decrees within their areas of control. Whether a given instrument is law therefore depends on which authority is recognised, which is exactly why this profile is marked as requiring research rather than described as settled.
Legal profession	Fused; advocates are admitted to the roll of the High Court after an LLB and the Law School of Tanzania, with the Tanganyika Law Society as the mainland professional body.	Avocats admitted through the Ordre des avocats du Tchad; the profession is concentrated in N'Djamena.	Advocates are admitted through the Libyan Bar Association, and the profession has continued to function, including in human-rights litigation, despite serious risks to practitioners. Judicial appointments run through the Supreme Judicial Council. Reliable current information on admission requirements and numbers is limited, which is reflected in the verification status of this entry.

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.