Editors: Luisa Kroll and Kerry A. Dolan

Reporters: Angel Au-Yeung, Madeline Berg, Deniz Cam, Biz Carson, Kathleen Chaykowski, Hayley Cuccinello, Alex Fang, Lauren Gensler, Zack O’Malley Greenburg, Matthew Herper, Noah Kirsch, Alex Konrad, Joann Muller, Aislinn Murphy, Andrea Murphy, Natalie Robehmed, Chloe Sorvino, Michela Tindera, Jennifer Wang.

Acknowledgments: Euromonitor International; Factset; LW Hospitality Advisors; Pitchbook Data, Plunkett Research, Staffing Industry Analysts.

The combined net worth of the top 60 self-made women is now a record $71 billion, 15% more than in 2017. The minimum net worth to make Forbes’ fourth annual ranking of these top women jumped 23% to $320 million, the highest since Forbes began tracking women entrepreneurs in 2015. Twenty-four of these women are billionaires, another record, up from 18 last year. These women make their money in everything from fashion and retail to biotech to trucking to venture capital.

Seven newcomers joined the ranks (6 from California), including 4 Instagram-savvy makeup moguls. The youngest is Kylie Jenner, who turns 21 in August. In fact, she is the youngest person to ever appear in these ranks. Half-sister of Kim Kardashian West, who is also on the list for the first time, Jenner has leveraged her massive social media following (110 million followers…