As someone 35 years old, I wonder - how many successful co-founders are there between 30-40? are there any statistics on that? What is the histogram by age for top 1000 startups? (any metric marking what "top" means will do) And congratulations by the way to all the people on the list, instead of hurting my ego and discouraging me, I see this as a way to motivate me to make it to a 40 under 40 list (I'm sure there is…
If you want to get into metrics, it'd help to define what you would consider successful. I'd think you'd do a disservice by conducting such a study.