Deloitte and Oxford Economics had a count and projection of wealthy households in 2011. The total wealth of millionaire households in the 25 economies included in this study is forecast to grow from $92 trillion in 2011 to $202 trillion in 2020.
The aggregate wealth of millionaire households in the U.S. in 2020 will likely reach $87 trillion, from $39 trillion in 2011.
The worldwide number of millionaire households is projected to head to over 66 million by 2030 up to about double from 33 million in 2011.
Previously we had the estimates of individual wealth.
At the end of 2013, there were just over 13 million HNWIs in the world. The United States of America had the highest number of HNWIs (just over 4 million) of any country.
Boston Consulting Group had a 2013 global wealth report with 2012 statistics.
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