What will be the largest religion in 2050?
Given the birth rate and youth of the population, it will obviously be Islam.
Time works for them, you might say
Yes I agree they are the largest religion today and they are still going to be the largest religion in 2050, imagine one big region in our planet is purely Islam, and there's no country in this world that has no Muslim community on it because once a person understands the true meaning of Islam he will embrace it.