I will attempt to find a link when I'm not on my phone, but the methodology and results here have been solidly criticised (mainly around survivorship bias, as a sibling notes, as well as about the measures of success).

This study (and the one about 3% of the population being sufficient to enact a change) comes up constantly when you hang around leftists, and I've been known to quote it myself when I was younger, but it always felt too good to be true and uncomfortably aligned with liberal sensibilities.