By the latest estimation of Spectrem Group, a research firm studying affluent and high net worth investors, it has more than ever before. In 2015, the U.S. had 10.4 million households with assets of $1 million or greater, aside from their homes. That represents a 3% increase from 2014. Impressively, 1.2 million of those households were worth between $5 million and $25 million.
How did these people become rich?