Susan Walsh/AP Photo
Bill Gates is now worth $81 billion, up $9 billion from 2013.
The top 10 was dominated by familiar faces, as well as the Walton family. Christy Walton, Jim Walton, Alice Walton, and S. Robson Walton all made it into the top 10 with their Wal-Mart billions.
In total, 27 newcomers made it onto the prestigious list this year. The combined net worth of the richest 400 Americans was $2.29 trillion, up $270 billion from last year.
The minimum net worth to break the Forbes 400 was $1.55 billion - $250 million more than in 2013.
Figures are current as of today. The Forbes 400 rankings are subject to change.