Zanzibar national unity was adopted by 66.2 percent of voters on 31 July 2010. The autonomous status of Zanzibar is viewed as comparable to Hong Kong as suggested by some scholars, and being recognized as the "African Hong Kong". Zanzibar is one of the Indian Ocean islands. It is situated on the Swahili Coast, adjacent to Tanganyika (mainland Tanzania). The northern tip of Unguja island is located at 5.72 degrees south, 39.30 degrees east, with the southernmost point at 6.48 degrees south, 39.51 degrees east. The island is separated from the Tanzanian mainland by a channel, which at its narrowest point
Zanzibar rate slightly higher in females (0.7 percent) than males (0.5 percent). The northern part of the island presents elevated volumes of trash in the streets, beaches and the ocean—mostly plastic bottles, other plastics and cigarette butts. There is indiscriminate dumping in residential areas. Ancient pottery implies trade routes with Zanzibar as far back as the time of the ancient Assyrians. Traders from the Arabian Peninsula, the Persian Gulf region of modern-day Iran (especially Shiraz), and west India probably visited Zanzibar as early as the 1st century. They used the monsoon winds to sail across the Indian Ocean to land at