Official language to the government in their native languages. In countries that do not formally designate an official language, a "de facto" national language usually evolves. English is the most common official language, with recognized status in 51 countries. Arabic, French, and Spanish are also widely recognized. An official language that is also an indigenous language is called "endoglossic", one that is not indigenous is "exoglossic". An instance is Nigeria which has three endoglossic official languages. By this the country aims to protect the indigenous languages although at the same time recognising the English language as its lingua franca. Around 500 BC,
Chewa language same language group (Guthrie Zone N) as Tumbuka, Sena, and Nsenga. Chewa is the most widely known language of Malawi, spoken mostly in the Central and Southern Regions of that country. "It is also one of the seven official African languages of Zambia, where it is spoken mostly in the Eastern Province. It is also spoken in Mozambique, especially in the provinces of Tete and Niassa, as well as in Zimbabwe where, according to some estimates, it ranks as the third-most widely used local language, after Shona and Northern Ndebele." It was one of the 55 languages featured on the