On average, U.S. mobile subscribers talk on the phone 356 minutes, or roughly 6 hours per month. That number is double that of the Turkey, and 4.5 times that of Germany. That estimate is the highest among selected OECD countries.

Canadians are not far behind. The outgoing traffic per mobile subscriber is an average 345 minutes (5 hours and 45 minutes) in a single month.

 Source: Statista: Americans Talk on Their Mobile Phones More Than Anyone Else