There must be another factor to this as well since the split is mostly the topmost countries some of the majority Islamic countries in this map are blue in the other map
This map is from data from Facebook. I found some country statistics about Facebook usage per country, and yes it’s much rarely used in Sub-Saharan Africa, so smaller sample size can also play a role:
Muslim countries. Sub-Saharan Africa is mostly Christian due to colonization.
There must be another factor to this as well since the split is mostly the topmost countries some of the majority Islamic countries in this map are blue in the other map
This map is from data from Facebook. I found some country statistics about Facebook usage per country, and yes it’s much rarely used in Sub-Saharan Africa, so smaller sample size can also play a role:
https://worldpopulationreview.com/country-rankings/facebook-users-by-country