KEY POINTS
  • There are now more than 5.5 million Americans with liquid investible assets of more than $1 million, up 62% over the past decade.
  • The population of millionaires in the U.S. over the past five years has grown nearly twice as fast as China’s.
  • Altogether, the U.S. has become both the dominant market and source of growth for the high-net-worth economy.

A version of this article first appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox.

The U.S. has rapidly overwhelmed China as the world's top spot for millionaires and billionaires, according a new report.