Wealthiest Donors Gave 9 Percent of Their Income in 2007, Study Finds

* Local charities won by far the biggest share of wealthy people’s dollars. Even among those who had a second residence, organizations in the state where people spent the most time won 62 percent of their dollars.

* People from the Northeast gave the most money to charities, followed by inhabitants of the Great Lakes region. Wealthy people from the Midwest donated the least.