The Nilo-Saharan languages are a family of languages primarily spoken in parts of North Africa and East Africa. This language group includes several languages, such as Dinka, Nuer, and Kanuri, and is estimated to have around 50 million speakers. These languages are characterized by their diverse grammatical structures and vocabulary. They are often classified into several branches, including Niloitic, Saharan, and Songhay. The Nilo-Saharan languages play a significant role in the cultural and social identity of the communities that speak them.