Religious beliefs by age group: http://www.pewforum.org/religious-landscape-study/compare/re...
Millennials have overtaken Baby Boomers: http://www.pewresearch.org/fact-tank/2015/01/16/this-year-mi...
Shifting Marijuana Beliefs: http://www.pewresearch.org/fact-tank/2015/04/14/6-facts-abou...
Changing attitudes on same sex marriage: http://www.pewforum.org/2015/07/29/graphics-slideshow-changi...
The decline of marriage (somewhat attributable to economic causes IMHO): http://www.pewsocialtrends.org/2014/09/24/record-share-of-am...