[s1artibartfast]

I thought it was an interesting question and found this page[1] . It is a survey of 50k devs on Stack overflow. 3.8% percent of those surveyed were over 50. Cenensus data here[1] gives ~20% over 50

https://www.freecodecamp.org/news/2-out-of-3-developers-are-...

https://datausa.io/profile/soc/15113X/#about