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I'm still bothering you with inquiries on user information. I would like to check this in order to write a potential LW post. Do we have data on the prevalence of "mental illnesses" and do we have a rough idea of the average IQ among LWers (or SSCers since the community is adjacent) I'm particulary interested in the prevalence of people with autism and/or schizoid disorders. Thank you very much. Sorry if I used offensive terms. I'm not a native speaker.
I think the best Less Wrong Census for mental illness would be 2016, though 2012 did ask about autism. You're probably going to have better luck using the 2024 SSC/ACX survey data, as it's more recent and bigger.
Have fun!