1 Impressive (horse), an Appendix American Quarter Horse (1969-1995)  2 Impressive Dagger Moth, a moth of the Noctuidae family; see Acronicta impressa.  Impressive Syndrome, a genetic disorder that occurs in horses and humans; see Hyperkalemic periodic paralysis.
The most significant of these religions are the Jehovah Witnesses who number approximately half a million people. Other interpretations of the Christian religion in Italy include the Protestants. Muslim Religion In Italy:. Today the Muslim religion is the second largest religion in Italy. The total number of followers of the Muslim religion in Italy currently stands at about 700,000. However, it should be noted that the majority of followers of the Muslim religion in Italy are either recent immigrants or second generation immigrants to Italy.
1 Christianity is the largest faith with 2.2 billion adherents or 31.5 per cent of the world's population. 2  There are about 1.6 billion Muslims around the world-or 23 per cent of the global population.he study estimated Christianity was the largest faith at 2.2 billion adherents or 31.5 percent of the world's population. The Roman Catholic Church makes up 50 per cent of that total, with Protestants-including Anglicans and non-denominational churches-at 37 percent and Orthodox at 12 percent.