[ithilglin909]

I mostly agree. But, surely, you'd agree that personal experience, especially extensive personal experience, might give one an inkling about whether a particular statistic is accurate. I wasn't arguing anything more.

I've looked at a number of studies about this. In general, it's hard to find much agreement between them about actual numbers. I suspect some of that is related to how "homelessness" and "mental illness" or "addiction" are defined by the people doing the studies, but most indicate that some kind of majority are influenced by one or more of those issues.