In general the percentage of Muslims in the population of Africa South of the Sahara declines from

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The percentage of Muslims in the population of Africa South of the Sahara generally declines from north to south. This is because the northern part of Africa, including the Sahara and regions just south of it, has a higher concentration of Muslim-majority countries, influenced by historical Islamic empires and trade routes. As one moves further south, the percentage of Muslims decreases, with countries in Southern Africa having a smaller Muslim population.

In General the Percentage of Muslims in the Population of Africa