Americans donated a record $306.39 billion to charity in 2007 (The Economic Times).
All subcategories of public charities saw increases in donations last year:
In most years, some two-thirds of Americans donate to charity.
The second-leading source of donations were foundation grants at $38.5 billion. Other sources were $23 billion from bequests and $15.7 billion from corporations, which was down by an inflation-adjusted 1 percent from 2006.
Charitable giving accounted for 2.1% of gross domestic product (Giving USA 2006)
There are approximately 1,010,400 charitable organizations in the US (National Philanthropic Trust, June 2007)