WSJ: ID Theft Is Declining And Mostly Offline, New Survey Finds. Almost two-thirds of id theft occurs from information obtained offline. Info obtained online accounted for less than 12 percent. Also interesting was that in cases where the perpetrator’s identity was know, half were committed known by the victim.
The original study is here, which includes an online identity theft quiz. The Sacramento Business Journal also did a story on the report — Report: Identity theft more common offline than online.