Early in the 20th century, it was easy to predict which flocks of believers would produce the most children ”” with Mormons reporting the highest numbers, followed by Catholics, then Protestants and so forth as fertility rates declined. But things changed as the century rolled on and America became more pluralistic and, in elite ZIP codes, secular.
After Woodstock and the sexual revolution, it was clear that “what really mattered wasn’t what religion you claimed to be practicing, but the degree to which you actually practiced it ”” especially whether or not you were in a pew week after week,” said journalist Jonathan A. Last, author of “What to Expect When No One’s Expecting….”
“When it comes to people having what people today consider large families ”” three or more children ”” there are two Americas out there,” he said, and the division is between those who actively practice a faith, especially a traditional form of faith, and those who do not.”
[i]The bottom line is that Americans who choose to have large families are almost certainly making “some kind of theological statement,” he said. “They are making countercultural decisions and people just don’t keep taking specific countercultural actions without having some kind of purpose, a larger reason for what they are doing.[/i]
That’s the definitive quote, as far as I’m concerned.