According to Nielsen Mobile, the typical U.S. mobile subscriber sends and receives more SMS text messages than telephone calls.
During the second quarter of 2008, a typical U.S. mobile subscriber placed or received 204 phone calls each month. In comparison, the average mobile customer sent or received 357 text messages per month — a 450% increase over the number of text messages circulated monthly during the same period in 2006. U.S. teens (ages 13 to 17) had the highest levels of text messaging in Q2 2008, sending and receiving an average of 1,742 text messages per month. In comparison, teens took part in an average of 231 mobile phone calls per month, during the same time period.
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