If we define crazy as “sufficiently mentally unusual as to be noticeably dysfunctional in society” then I estimate at least 50% of humanity is not crazy.
If we define crazy as “sufficiently mentally unusual that they cannot achieve ordinary goals more than 70% of the time,” then I estimate that at least 75% of humanity is not crazy.
If we define crazy as “sufficiently mentally unusual as to be noticeably dysfunctional in society” then I estimate at least 50% of humanity is not crazy.
If we define crazy as “sufficiently mentally unusual that they cannot achieve ordinary goals more than 70% of the time,” then I estimate that at least 75% of humanity is not crazy.