Languages of Africa map
<a href="//commons.wikimedia.org/wiki/User:Seb_az86556" title="User:Seb az86556">Seb az86556</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span> according to Huffman (<a rel="nofollow" class="external autonumber" href="http://www.worldgeodatasets.com/files/2213/1646/8937/Huffman-World_Langs-wlms16.pdf">[1]</a>)