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
Sultanate of Zanzibar furthered the country's progress toward abolishing slavery. According to the 16th-century explorer Leo Africanus, the native inhabitants of the Zanzibar (Zanguebar) sultanate were for the most part pagans with curly hair and a black complexion. However, the denizens of the northernmost Zanzibar kingdom of Malindi were Muslims of an almost white complexion, with some pagan black inhabitants among them. Until 1884, the Sultans of Zanzibar controlled a substantial portion of the Swahili Coast, known as Zanj, and trading routes extending further into the continent, as far as Kindu on the Congo River. That year, however, the Society for German Colonization