How many African languages have clicks?

Related questions

1. What is an articulation disorder?
2. Are there clicks in English?
3. What is the difference between a phonological disorder and an articulation disorder?
4. Does Xhosa have the same sounds as English?
5. Where is the glottis located in a human?
6. What does an articulator do?
7. What language do most people in Southern Africa speak?
8. Are there clicks in Swahili?
9. What are the different Pulmonic sounds?
10. Are clicks Ingressive?

Tags

1. #niger
2. #there
3. #languages
4. #family
5. #southern
6. #clicks
7. #notably
8. #certain
9. #africa
10. #congo
11. #groups
12. #khoisan
13. #xhosa