Twitter popular among young; LinkedIn big for older users

That's the latest from JPMorgan analyst Doug Anmuth, who found that Twitter's user base skews younger than other social networks.

Twitter users are young and LinkedIn users are a bit older, according to new data from JPMorgan analyst Doug Anmuth.

In an analyst note sent Monday to All Things Digital, Anmuth showed that while Twitter has users across every age spectrum, its core group in the US is made up of those between the ages of 13 and 44. Twitter's biggest age group is between the ages of 25 and 34, but it has a sizable contingent -- 10.1 percent -- of those between the ages of 13 and 17. Its 18 to 24 age bracket makes up 18.2 percent of its user base.

That stands in stark contrast to Facebook, which has a much broader range of users. The world's largest social network relies on 25- to 34-year-olds to make up its largest segment, with 19 percent share of its US user base. Those between the ages of 34 and 44 and 45 and 54 both accounted for 17 percent of Facebook's user base.

Not surprisingly, the professional social network LinkedIn skews older than its counterparts. LinkedIn's biggest user base in the US is made up of those between the ages of 45 and 54. Just 9.6 percent of those aged 18 to 24 are on LinkedIn.

In addition to examining social networks, Anmuth's study provided some valuable insight into the population of social media and Internet users as a whole. He found that the large number of social media users in the US -- 16.9 percent -- are between the ages of 25 and 34. People between the ages of 45 and 54 make up the largest Internet population, with 15.8 percent share.

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