A social media study conducted by Pew (pdf) reveals some interesting facts about social media use by teenagers. One of the most interesting takeaways is that Tumblr just isn’t as popular as many people believe in the youngest demographic.

Twitter is. It’s growing substantially with 24% of teens microblogging their 140-characters regularly in 2012 compared to 16% in 2011. Instagram is also growing in popularity with 11% of teens using Facebook‘s mobile image darling. Compare this to Tumblr, a much older service and one that is wrongly associated by many to be a teen haven, is sitting at only 5% adoption. This perception is not too far off – most Tumblr users are in their 20s.

Facebook is still the dominant force with 94% of teens on the king of social networking. Buzzworthy social site Pinterest is low on the teen radar, wrapping up the bottom of the list with 1% usage.

Here is how it breaks down:

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“Teen Social” image courtesy of Shutterstock.