Data correlations show that in almost all regards the highly secular democracies consistently enjoy low rates of societal dysfunction, while pro-religious and anti-evolution America performs poorly.I'm a semi-regular church-goer, neither devoutly religious nor devoutly anti-religious. I am fervently pro-analytical studies, however, and the data are pretty clear.
The full cite is:
Paul, Gregory S. 2005. "Cross-National Correlations of Quantifable Societal Health with Popular Religiosity and Secularism in the Prosperous Democracies." Journal of Religion and Society, volume 7.