Zambia main local language, especially in Lusaka, is Nyanja (Chewa), followed by Bemba. In the Copperbelt Bemba is the main language and Nyanja second. Bemba and Nyanja are spoken in the urban areas in addition to other indigenous languages which are commonly spoken in Zambia. These include Lozi, Kaonde, Tonga, Lunda and Luvale, which feature on the Zambia National Broadcasting Corporation (ZNBC)'s local languages section. The total number of languages spoken in Zambia is 73. The process of urbanisation has had a dramatic effect on some of the indigenous languages, including the assimilation of words from other indigenous languages and English.
Church of Central Africa Presbyterian – Synod of Zambia formed in 1899. This was composed of all of the mission stations and congregations established in northern Zambia. When the Synod was constituted in 1984, it was composed of 2 Presbyteries, 16 congregations and 4 ordained ministers. This group spread rapidly. According to the church's statistics as of August, 2010, the Zambia Synod had 67 congregations in 11 presbyteries and more than 65,000 members served by 58 ordained ministers and 8 evangelists. That means 1250 member per pastor, who serve the growing number of congregations. The Synod relocated in 2010 from Eastern Zambia to Lusaka. The official confessions are the