US CDC: 64 Million in US Now Wireless Only

The US Center for Disease control has been tracking the number of households (and related demographics) that have landlines, mobile phones or a combination of mobile and landlines. As of the first half of this year:

More than one of every five American homes (22.7%) had only wireless telephones (also known as cellular telephones, cell phones, or mobile phones) during the first half of 2009--an increase of 2.5 percentage points since the second half of 2008. In addition, one of every seven American homes (14.7%) had a landline yet received all or almost all calls on wireless telephones.

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If almost 23% are mobile only and 14% mostly use their mobile phones -- the landline is like a "spam catcher," as Dan Miller likes to say -- then 37% of US households should be considered mobile-centric, where the mobile device is the only or primary means of phone communication. According to the CDC here is the demographic breakdown:

  • 18-24 years: 37.6%
  • 25-29 years: 45.8%
  • 30-34 years: 33.5%
  • 35-44 years: 21.5%
  • 45-64 years: 12.8%
  • 65 years and over: 5.4%

It shows how people under 45 are becoming more and more mobile centric. This has implications for all kinds of things, including of course advertising.

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According to the US Census Bureau, there are roughly 113 million US households against 304 million people, or 2.6 people on average per household. Twenty-two percent of these numbers equals about 64 million people with mobile only service and 109 million in this larger group I'm calling mobile-centric.