CB Insights About failure 2026

The Top 12 Reasons Startups Fail

CB Insights read hundreds of real startup postmortems and found that poor product-market fit (around 43 percent) is the single biggest root cause of failure, ahead of running out of money. If you want to spot the warning signs early, start with the patterns of founders who already hit them: a market too small, a problem not painful enough, a product nobody urgently wanted. Treat it as a checklist of ways an idea can quietly go nowhere for a year.

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5 March 2026

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CB Insights

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