Africans have had three popes already, according to Wikipedia (all from the first Millenium and none from sub-Saharan countries):
I just looked it up because I was wondering…for more, see:
Browne, M. 1998. “The Three African Popes.” The Western Journal of Black Studies 22 (1): 57–58.
Taryor, N. K. 1984. Impact of the African Tradition on African Christianity. Chicago: The Strugglers Community Press.