The income disparity in America is accompanied by a giving disparity: According to a Chronicle of Philanthropy analysis of IRS data, the wealthy give a smaller share of their income to charity than do members of the middle class.

The Great Recession and the growing income gap between the wealthy and middle-class Americans have created a surprising “generosity gap” in the nation’s population. According to new analysis of IRS data by the Chronicle of Philanthropy [login required], the wealthiest Americans—defined as individuals who earned $200,000 or more—reduced the share of their income that they gave to charity by 4.6 percent between 2006 and 2012.

On the other hand, Americans who earned less than $100,000, a category that includes lower- and middle-class families with two working adults, donated 4.5 percent more of their income.

Many nonprofit leaders interviewed for the report believed the loyalty of the less-wealthy helped their organizations survive through the economic downtown.

“It hits closer to home,” Tami Phillips, chief development officer at the Midnight Mission, a Los Angeles shelter, told the Chronicle. “Any day, they too could become homeless.”

Despite the trend in share-of-income donated, the total dollars donated by wealthy Americans from 2006 to 2012 increased by $4.6 billion, for a total of $77.5 billion. Members of the lower  and middle class gave $57.3 billion, the analysis found.

“While the richest Americans didn’t increase their share of giving as much as others did, fundraisers will continue to count on the wealthy because their ranks are growing,” the authors wrote. “Americans earning $200,000 or more in 2012 totaled 4.8 million, a million more than in 2006.”

Regional Impact

The Chronicle’s analysis also found that 36 of the 50 largest cities in the U.S. experienced declines in share of giving between 2006 and 2012. Here are some of the hardest-hit metro areas, in terms of the drop in average giving rate:

Rank (out of 50)	Metro area	Giving rate, 2012	Change in giving since 2006
27	Washington, DC	2.8 percent	-9.5 percent
28	Los Angeles	2.8 percent	-9.5 percent
37	Minneapolis-St. Paul	2.6 percent	-9.4 percent
41	Philadelphia	2.5 percent	-10.3 percent
46	Buffalo-Niagra Falls, NY	2.3 percent	-10.6 percent

Rank (out of 50) Metro area Giving rate, 2012 Change in giving since 2006 27 Washington, DC 2.8 percent -9.5 percent 28 Los Angeles 2.8 percent -9.5 percent 37 Minneapolis-St. Paul 2.6 percent -9.4 percent 41 Philadelphia 2.5 percent -10.3 percent 46 Buffalo-Niagra Falls, NY 2.3 percent -10.6 percent Rank (out of 50) Metro area Giving rate, 2012 Change in giving since 2006 Rank (out of 50)Rank (out of 50)Metro areaMetro areaGiving rate, 2012Giving rate, 2012Change in giving since 2006Change in giving since 2006 27 Washington, DC 2.8 percent -9.5 percent 27Washington, DC2.8 percent-9.5 percent 28 Los Angeles 2.8 percent -9.5 percent 28Los Angeles2.8 percent-9.5 percent 37 Minneapolis-St. Paul 2.6 percent -9.4 percent 37Minneapolis-St. Paul2.6 percent-9.4 percent 41 Philadelphia 2.5 percent -10.3 percent 41Philadelphia2.5 percent-10.3 percent 46 Buffalo-Niagra Falls, NY 2.3 percent -10.6 percent 46Buffalo-Niagra Falls, NY2.3 percent-10.6 percent

Source: Chronicle of Philanthropy

Meanwhile, Las Vegas was the only city to see a double-digit gain, with a 14.9 percent increase in its giving rate, which was 2.8 percent in 2012. The most generous metro areas were Salt Lake City (5.4 percent) and Memphis (5.1 percent).

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