Muslim Population In World 2024 In Billion. In fact, many researchers project that muslims will outnumber christians by the year 2050. A comprehensive demographic study of more than 200 countries finds that there are 1.57 billion muslims of all ages living in the world today, representing 23% of an estimated.
40 muslims are expected to grow twice as fast as the overall. In 2015, muslims made up 24.1%.