Islam is the second most prevalent religion in the world.
Like all questions of this nature the data available is "soft". The relative numbers for each religion is open to interpretation as some adherents feel others are not true believers and should not be counted.
It is the second to Christianity.
It is claimed that Christianity is the religion with more followers and Islam is the second.
The worlds largest religion is Christianity and the second is Islam
The second book of Christianity is called Exodus.
Islam is the second major religion, although far behind the leading religion, Christianity (mainly Catholicism).
Islam is the second largest religion: behind Christianity
The second-largest religion, worldwide, is Islam.
Christianity is the second most common religion in Africa, with Islam being the most common.
Basically any other religion besides Christianity, Judaism and Islam since all three religions believe in the first part (the old testament) and once you get to the second part that's when the beliefs divide.
I believe their top religion is Christianity and their second is Islamic.
Christianity and the second largest Islam.
Orthodox Christianity is the biggest religion. The Bolshevics were overwhelmingly of Jewish decent. Islam is the second largest and a major religion in Russia. It is dominant in certain regions of the Russian Federation, primarily the Caucasus region and certain Turkic speaking areas of Siberia.