religiosity vs. per-capita income worldwide

From Charles Blow in the NYT (hat tip: Randy Baker)...

With all of the consternation about religion in this country, it’s sometimes easy to lose sight of just how anomalous our religiosity is in the world.

Gallup surveyed people in more than 100 countries in 2009 and found that religiosity was highly correlated to poverty. Richer countries in general are less religious. But that doesn’t hold true for the United States.

65% of Americans say that religion is an important part of their daily lives. That is compared with just 30% of the French, 27% of the British and 24% of the Japanese...

Here's his chart of religiosity vs. per capita income...

UPDATE: PoliticalMathBlog takes Blow to task for some key omissions (hat tip: Buddy Dowdy)