Zanzibar by the People's Republic of Zanzibar and Pemba, a socialist government led by the Afro-Shirazi Party (ASP). Over 20,000 people were killed and refugees, especially Arabs and Indians, escaped the island as a consequence of the revolution. In April 1964, the republic merged with mainland Tanganyika. This United Republic of Tanganyika and Zanzibar was soon renamed, blending the two names, as the United Republic of Tanzania, within which Zanzibar remains a semi-autonomous region. The 2002 census is the most recent census for which results have been reported. The total population of Zanzibar was 984,625 – with an annual growth rate
History of Zanzibar place to this day. The third pillar of the economy was slaves, which gave Zanzibar an important place in the Arab slave trade, the Indian Ocean equivalent of the better-known Triangular Trade. The Omani Sultan of Zanzibar controlled a substantial portion of the African Great Lakes coast, known as Zanj, as well as extensive inland trading routes. Sometimes gradually, sometimes by fits and starts, control of Zanzibar came into the hands of the British Empire. In 1890, Zanzibar became a British protectorate. The death of one sultan and the succession of another of whom the British did not approve later