Type: Republic.
Independence: Tanganyika 1961, Zanzibar 1963. Union formed in April 1964.
Constitution: 1982.
Branches: Executive--president (chief of state and commander in chief), vice president, and prime minister. Legislative--unicameral National Assembly (for the Union), House of Representatives (for Zanzibar only). Judicial--Mainland: Court of Appeals, High Courts, Resident Magistrate Courts, district courts, and primary courts; Zanzibar: High Court, people's district courts, kadhis court (Islamic courts).
Political parties: 1. Chama cha Mapinduzi (CCM), 2. The Civic United Front (CUF), 3. Chama cha Demokrasia na Maendeleo (CHADEMA), 4. Union for Multiparty Democracy (UMD), 5. National Convention for Construction and Reform (NCCR-Mageuzi), 6. National League for Democracy (NLD), 7. National Reconstruction for Alliance (NRA), 8. Tanzania Democratic Alliance Party (TADEA), 9. Tanzania Labour Party (TLP), 10. United Democratic Party (UDP), 11. Demokrasia Makini (MAKINI), 12. United Peoples' Democratic Party (UPDP), 13. Chama cha Haki na Ustawi (CHAUSTA), 14. The Forum for Restoration of Democracy (FORD), 15. Democratic Party (DP), 16. Progressive Party of Tanzania (PPT-Maendeleo), 17. Jahazi Asilia, 18. Sauti ya Umma (SAU).
Suffrage: Universal at 18.
Administrative subdivisions: 30 regions (25 on mainland, 3 on Zanzibar, 2 on Pemba).
Source: http://www.state.gov/r/pa/ei/bgn/2843.htm
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Source: http://www.tanserve.com/facts/index_files/goverment.htm