Among those who use exclusively cell phones 23.2% are 18-24 years old

23.3% of respondents, surveyed by Arbitron, considered themselves to be cell phone-only users, while a corresponding 23.1% said they had a land line available to them, but primarily used their cell phones. Among those who considered themselves cell-phone-only, 23.2% belonged to the age group of 18-24 year olds, 20.2% were between 25 and 34, 21.1% were 35-44 years old.