Zambia of Zambia is over 160,000, or 1.5% of the population. The William Mmutle Masetlha Foundation run by the Baha'i community is particularly active in areas such as literacy and primary health care. Approximately 1% of the population are Muslims, most of whom live in urban areas and play a large economic role in the country. There are about 500 people who belong to the Ahmadiyya sect. There is also a small Jewish community, composed mostly of Ashkenazis. The official language of Zambia is English, which is used to conduct official business and is the medium of instruction in schools. The
Swahili language for those areas, and the standard orthography for Swahili was adopted. Swahili has become a second language spoken by tens of millions in three African Great Lakes countries (Tanzania, Kenya, and the DRC) where it is an official or national language. In 2016, Swahili was made a compulsory subject in all Kenyan schools. Swahili and closely related languages are spoken by relatively small numbers of people in Burundi, Comoros, Malawi, Mozambique, Uganda, Zambia and Rwanda. The language was still understood in the southern ports of the Red Sea in the 20th century. Some 80 percent of approximately 49 million Tanzanians