How 18 Causes Have Fared Through the Years
October 29, 2015 | Read Time: 1 minute
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.