Quote from bigarrow:
Please post your source. I know many poor saps who give 10+% of their working man wages to the church for new parking lots and building expansions. And these donations count as charity.
Source: "Who Really Cares" by Arthur C. Brooks and James Q. Wilson. The authors approached the issue with the same assumptions that Future Currents expresses. Analysis of multiple sources of independently collected data proved their assumptions to be wrong to the point that they even did a repeat analysis and found that indeed the conventional wisdom was wrong.