Individuals charitable giving totaled $199.07 billion in 2005. Charitable gifts from individuals accounted for 76.5% of all estimated giving in 2005. One measure of charitable giving is as a percentage of income. Using the household as the economic level at which decisions are made, average charitable giving per household in 2005 is estimated to be a 2.2% of average household disposable (after-tax) income, exactly at the 40-year average of 2.2%.

Source: Giving USA