"Christianities (plural) in Africa: What a growing faith looks like south of the Sahara"

"Christianity in Africa has benefited from sustained exponential growth, with numbers growing from about 10 million in 1900 to just over half a billion in 2015; but the diversity of the different forms of Christian practices and teachings on the continent means that it may be more accurate to see it as Christianities rather than Christianity. . ." Professor Joseph Galgalo lives in Limuru, Kenya and his view of the growth of the faith, as well as it's failure, is found here .