Not sure what "a lower median net worth at the 99th percentile" means (median is net worth level at the 50th percentile), but 1 in 100 American households (not individuals) indeed have over $13 million net worth: https://fred.stlouisfed.org/series/WFRBL99T999309
This threshold has about doubled since 2010, which should not be too surprising as house prices more than doubled and the S&P500 increased six fold in the last 15 years.
This threshold has about doubled since 2010, which should not be too surprising as house prices more than doubled and the S&P500 increased six fold in the last 15 years.