A study of 32 startups and why they failed, with dive into each of the 20 reasons:

We’ve previously highlighted the top startup failure post-mortems (32 in total) written by a group of startup entrepreneurs gracious enough to share their lessons learned from failure. Many of you read those post-mortems and asked, what are the most common reasons why these startups failed? After a thorough analysis of those 32 start-up post-mortems, we compiled this list of the top 20 causes of startup failure.