The Catholic Church is not doing well in holding her own. Of those Church members raised in the Church from childhood, a Pew Forum Study (Faith in Flux) found only about 2/3 (68%) of “Cradle Catholics” remain. Of the 1/3 who leave the Church, about half leave and become Protestants and about half leave and remain unaffiliated with any religion. A small part (3%) of the cradle Catholics leave and join other religious groups (Buddhists, Jehovah Witnesses, etc.) But – about one out of three “Cradle Catholics” leave!
The Church would be shrinking, were it not for immigration. Those who have left the Church (over 10% of the American population are now “former Catholics”!) outnumber those who have become Catholic (2.6% of American adults come into the Church), by a margin of nearly four to one. Only the immigration of Catholics has kept the Church in America from diminishing year by year. Evangelical groups, meanwhile, are zealously working with the immigrant population to attract, to convert and to keep them satisfied in a non-Catholic form of Christianity.
Here is a number from the Pew Study that I think ought to get our attention. Of those who left the Church and became Protestant, 71% gave as a reason that their spiritual needs were not being met. This was the most commonly given reason for this group. …