Authenticité (Zaire) renaming of the nation from the Republic of the Congo to Zaire, a Portuguese mispronunciation of the Kikongo word "nzere" or "nzadi", which translates as "the river that swallows all rivers." It is generally unknown why the head of state chose a Portuguese colonial name instead of an authentic Congolese name. A biography about the President by "Le Monde" journalist Jean-Pierre Langellier, however, traces the naming of the currency "zaire" back to a dinner Mobutu had with his economic adviser Jacques de Groote and Belgian anthropoligst Jan Vansina, where the latter came up with the term as it believably designates,
Zaire Province national language spoken in the province is Kikongo and the predominant ethnic group in the region is Bakongo. According to preliminary data from the General Census of Population and Housing conducted in May 2014, Zaire Province has currently 567,225 inhabitants, corresponding to 2.3 percent of the Angolan population. In this province, reside 285,333 women and 281,892 men, with 26.1% of the population living in rural areas and the majority, 73.9%, living in urban areas. The data also point to a population density of . Zaire Provincial Government consists of Governor José Joana André, and 3 Deputy Governors. Ângela Maria Botelho