Everyone knows that the United States...

...is more entrepreneurial than Europe, right? Right?

From Were You Born on the Wrong Continent?:

According to a 2009 report from the Center for Economic and Policy Research (CEPR), using comparable data from the OECD:

Percent of Adults Self-Employed, 2009

United States  7.2
Denmark  8.9
Germany  9.0
France  12.0
Netherlands  12.4