The data in this special report, come from a comprehensive study The Chronicle conducted to examine giving data by ZIP code and by income level in every city and town in the United States. It looks at total contributions, contributions by households, discretionary income by households, and percentage of income given by households. There are fascinating information, analysis and articles on the website. One of the most interesting tables is a generosity ranking of US cities (http://philanthropy.com/article/Generosity-in-All-of-Americas/133673/). Interesting articles on the website are on America’s generosity divide (http://philanthropy.com/article/America-s-Generosity-Divide/133775/) and why the wealthy give (http://philanthropy.com/article/Rich-Enclaves-Are-Not-as/133595/).