The top 15 wealthiest people in America are part of a very, very exclusive club: those with over $100,000,000,000 in net worth. After double checking those zeroes, we can confidently say that yes, there are 15 centi-billionaires living among us.

And, according to a new Institute for Policy Studies analysis of data from the Forbes real time billionaire list, the combined wealth of that 12-figure club grew from $2.4 trillion to $3.1 trillion over the course of 2025.

For context, that 30.3% rate of growth outpaced both the S&P 500 (16%) and billionaires in general (20.8%) over the last year. To put it succinctly, the wealthiest Americans are accumulating capital faster than everyone else.

The top 15 wealthiest billionaires aren’t the only ones doing well for themselves. Our analysis found that the number of US billionaires increased from 813 with combined wealth of $6.7 trillion at the end of 2024 to 935 US billionaires with combined assets of $8.1 trillion.

The top five wealthiest billionaires all saw huge wealth jumps in 2025.

The three wealthiest dynastic families in the US hold an estimated $757 billion, up from $657.8 billion at the end of 2024, a 16% gain. These are:

As we predicted it would at the time, the Covid-19 pandemic........

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