The Khoisan languages.

The Khoisan languages are languages that have clicks or produce a click sound. They are the languages of the Niger-Congo family. Their speakers have always been in the southern part of Africa.

These language incorporates clicks and sounds into a portion of the consonants of the language. Speakers produce a distinctive popping sound that is created from the tongue or roof of the mouth. The sounds also resembles a kissing sound or sucking sound.

In Miriam Makeba's song, 'Qongqothwane', the language is featured. The click language is also featured in the movie, "The gods must be crazy".

Other languages in southern Africa that have clicks include; Zulu and Xhosa. These languages have existed longer than a 100 years. The Niger-Congo languages originated in present day Nigeria and spread widely as their speakers spread.