The `20+ years` demographic refers to 20+ years of JavaScript experience, AFAICT.
Re:State of JavaScript 2019
by cheapsteak on Thursday December 19, 2019 @01:47AM
(#21832593)
I had the same misunderstanding, thanks for pointing that out
But I know what you're saying. I also noticed a few percentage points of people saying they have 20+ years or React experience at this point.