Author here These are all very fair points and things I thought through as I put this together. For example, your point around <$15K salaries. As I explain in

Author here These are all very fair points and things I thought through as I put this together. For example, your point around <$15K salaries. As I explain in the appendix at bottom of post, I exclude anyone with <$10K salary for the exact reason that this is not feasible for someone claiming to work as a software developer in the United States. Your point around monthly vs annual salary - this was a question on the survey itself, and hence the salary numbers are already adjusted to be annual. The source code includes a few data cleansing actions like the above. In the end this is inherently subjective, but I tried to be principled in my approach in order not to unduly skew the results. Unfortunately this is the best publicly available data we have, input errors and all. Thanks for reading through and for your comment, this is important stuff.