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Tanzania

United Republic of Tanzania

Mixed (common law, customary law, Islamic law)Unitary presidential republic with autonomous ZanzibarReviewed· 2026-08-03
Capital
Dodoma
Population
67,400,000
Languages
Swahili, English
Currency
TZS

Tanzania · Overview

The legal system of Tanzania

A common-law system with a distinctive two-government structure: the Union government and a semi-autonomous Zanzibar with its own president, legislature and High Court. Zanzibar retains separate jurisdiction over all non-Union matters, so land, family and much commercial law differ between the mainland and the islands.

Legal tradition

Tanzania belongs to the mixed (common law, customary law, islamic law) tradition. A common-law system with a distinctive two-government structure: the Union government and a semi-autonomous Zanzibar with its own president, legislature and High Court. Zanzibar retains separate jurisdiction over all non-Union matters, so land, family and much commercial law differ between the mainland and the islands.

How power is divided

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.

Where law comes from

Union Constitution
Supreme; Zanzibar has its own constitution for non-Union matters.
Acts of Parliament
Union legislation; Zanzibar Acts for non-Union matters.
Received common law
English common law and equity as locally developed.
Customary law
Applied under the Customary Law Declaration Orders.
Islamic law
Applied in personal status for Muslims, particularly in Zanzibar.

The 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.

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