![jack dorsey 9:13](https://static-ssl.businessinsider.com/image/5417f1ed69bedd703e85259b-973-730/jack-dorsey-913-8.jpg?maxX=600)
Getty Images/Bill Pugliano
Jack Dorsey is 37 years old. Research says that's the perfect age to start a business.
It's no secret that $4, $4, and $4 all became successful in their 20s.
But research gathered by Babson College and Baruch College suggests that the best time to start a business is in your late 30s.
According to the $4, entrepreneurs who start their businesses in their late 30s have the best shot at success.
The advantages: increased confidence, contacts, and opportunities.
You can see it in the below infographic from $4 and $4.
![141024_Clarity_age_rd](https://static-ssl.businessinsider.com/image/544e59cf69bedd4b79c891c7-1001-2735/141024_clarity_age_rd.png)
Clarity and Column Five Media