The same
principle of nonrandom selection is responsible for part of the non-Christian presence in the U.S.. For example, the population of India is about 12 percent Muslim, but because of both «push» factors in India and «pull» factors (especially
economic opportunities) in the U.S., the proportion of Muslims among Indian Americans is probably higher than that for the same reasons — push and pull factors — Jews are greatly over represented among migrants from the former
Soviet Union.