The graph below reveals the percent of before-tax income given to charity by class (separated into fifths):


There is a positive correlation between income and absolute giving (the higher their income, the more money they donate), but a negative correlation between income and relative giving (as incomes go down, households donate a higher and higher percentage of their income).

From Chris Uggen’s weblog via.


Lisa Wade is a professor of sociology at Occidental College. You can follow her on Twitter and Facebook.