They're inversely correlated, according to the latest Pew Report. Notice how the US is an outlier. I loved this nugget:
More than half of Americans say their culture is superior to others, a larger proportion than in most other Western publics. But in Italy, nearly seven-in-ten say their way of life is better.
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2007/10/wealth-and-religiosity/224231/

