Might be a difference in wording. As I recall, 2/3 of Seattle homeless are not sleeping on the street (instead they are in cars or shelters), which may make the

Might be a difference in wording. As I recall, 2/3 of Seattle homeless are not sleeping on the street (instead they are in cars or shelters), which may make them "sheltered". The other 1/3 are in the street and if most of them are addicts, then yes, about 1/3 of total homeless are addicted as well