Where are these statistics coming from:

From the 1970s to today, the white evangelical share of US population hasn’t been “exploding”; it’s been nearly constant, between a fifth and a quarter. And big evangelical denominations like the Southern Baptists have been losing membership by the millions, while membership in mainline churches has been steady or even growing.

Posted at February 12, 2008 9:56 PM in response to Washington’s God Story—and America’s