How many millionaires in USA! USA! USA!

You might as well search "where does oil come from." The answer is the same: No one knows.

From several sites: The U.S. has by far the highest number of millionaire households, with nearly 4.6 million. – 2014.

The world is home to more than 10 million millionaires. It's said that 1 in every 3 of those people are American. –2014. (NOTE: Trust a number by someone so grammatically wrong? The correct grammar: One of every three … is American.)

Dr. Bill Belew of PanAsianBizreports that the U.S. has 8.9 million households worth at least 1 million dollars. – 2007.

There are at least 9 million of those millionaires around good old America. – 2009.

A report by Merrill Lynch stated that if only direct financial assets are counted, there are approximately 2.5 million millionaire households in North America, versus 8.2 million in the US alone if all net worth is counted. – 2006.

In 2009 there were over five million millionaire households (5,129,385) in the United States.