The United States is the richest, and most unequal, country in the world. And the money keeps rolling in, according to Capgemini’s new U.S. Wealth Report 2015.

Wealth of high net worth individuals–those with at least $1 million in investible assets–rose more than $1 trillion between 2013 and 2014, the report finds. That represents a growth of 9.4% to a total of $15.2 trillion. There were also more HNWIs than ever, with the total reaching 4.4 million, which was an 8.6% jump between 2013 and 2014. So where do you find America’s wealthiest? Where are they living?

Most —roughly two-thirds—are residing in one of the 12 following cities.

This article originally appeared on Fortune.com

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