Total household wealth in the U.S. was $57 trillion in the first quarter, so if the Deloitte numbers are correct, it means 0.4 percent of families control, at a minimum, 26 percent of the country’s wealth.

Another 2.2 million American households are super-wealthy, worth between $5 million and $30 million. That would mean a minimum of $11 trillion of wealth and the top 2.3 percent of households would own at least 45 percent of all the wealth and probably more like 60 percent or 70 percent, when considering the billionaires and centimillionaires in that $30 million-plus cohort..

The upshot: Wealth is going to get even more concentrated over the next decade, if Deloitte’s projections prove to be halfway correct.

(h/t Zero Hedge)

Deloitte Millionaire Study

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Ryan Chittum is a former Wall Street Journal reporter, and deputy editor of The Audit, CJR's business section. If you see notable business journalism, give him a heads-up at rc2538@columbia.edu. Follow him on Twitter at @ryanchittum.