We grouped the charities on each year’s ranking according to their mission, then traced the growth of each category of nonprofit over the 25 years.
See related stories and additional data from The Chronicle’s analysis of the 2015 Philanthropy 400 and the rankings over 25 years. Read our complete methodology.
Hover over the lines in the graphic below or click the key items above to see how the categories have changed over the past 25 years.
SOURCES: Research by The Chronicle of Philanthropy, and William Suhs Cleveland’s analysis of data from GuideStar and the Urban Institute’s National Center for Charitable Statistics.
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