|Country||2005||2012||% point change in Religiosity|
Source: WIN-Gallup International
These are all very developed nations. I wonder what's causing these sharp declines? Of course, I could think of several contributing factors for the last decade or two, but nothing comes to mind that would make it spike so much in this year specifically.
This is being caused by the fact that they are transitioning into the level of northern european countries that already reached that freedom of thought decades ago.