Y Combinator Companies
Quick analysis:<p>1297 YC companies (from here: <a href="http://www.ycombinator.com/press/" rel="nofollow">http://www.ycombinator.com/press/</a>)<p>860 YC companies listed as either active or acquired (from here: <a href="http://www.ycombinator.com/companies/" rel="nofollow">http://www.ycombinator.com/companies/</a>)<p>= 33% failure rate<p>That's a lot higher than I would have expected, to be honest.