> "We estimate that 16.8 million of these people are professional developers and university-level students." I wonder if it is relatively safe to infer from this that there are ~16.8 million developers in the world? Are there developers who never visit stackoverflow? I'd expect that number to be higher, even though 16.8M is a lot. Also if you take all "years since learning to code" up to "9-10", they add up to 50.6%,…
Would non-English speakers visit?