On average, 20% of start-ups fail within their first year, according to the Ewing Marion Kauffman Foundation, which also conducts an annual study on entrepreneurial activity in the U.S. Its newest report, due out next month, is expected to show that start-up volume in the U.S. increased by just a few percentage points in 2011, just as it did in 2010, 2009 and 2008, says E.
WSJ: Rise in Start-Ups Draws Doubters