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.
Zambia Democratic Republic of Congo (47,300 refugees from the DRC living in Zambia in 2007), Angola (27,100; see Angolans in Zambia), Zimbabwe (5,400) and Rwanda (4,900). Beginning in May 2008, the number of Zimbabweans in Zambia also began to increase significantly; the influx consisted largely of Zimbabweans formerly living in South Africa who were fleeing xenophobic violence there. Nearly 60,000 refugees live in camps in Zambia, while 50,000 are mixed in with the local populations. Refugees who wish to work in Zambia must apply for official permits which can cost up to $500 per year. Zambia is officially a Christian nation