Facebook boasts the largest and richest demographic, Twitter has a surprisingly young user network, and 68 percent of Instagram's users are women.


Each social media platform has cultivated a unique identity thanks to the demographics of the people who participate in the network. Some platforms are preferred by young adults, who are most active in the evening, others by high-income professionals, who are posting throughout the workday.

We explained in a recent report why many brands and businesses need platform-focused social media strategies, rather than a diluted strategy that aims to be everywhere at once.

In a new report from BI Intelligence, we break down the demographics of each major social media platform to help brands and businesses decide which networks they should prioritize. Being able to identify the demographics of social media audiences at a granular level is the basis for all targeted marketing and messaging. The report also spotlights the opportunities that lie ahead for each social network, how demographics affect usage patterns, and why some platforms are better for brands than others.

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Here are some of our surprising findings:

Facebook still skews young, but the 45- to 54-year-old age bracket has seen 45% growth since year-end 2012. Among U.S. Internet users, 73% with incomes above $75,000 are on Facebook (compared to 17% who are on Twitter). Eight-six percent of Facebook's users are outside the U.S.

Instagram: Sixty-eight percent of Instagram's users are women.

Twitter has a surprisingly young user population for a large social network -- 27% of 18 to 29-year-olds in the U.S. use Twitter, compared to only 16% of people in their thirties and forties.

LinkedIn is international and skews toward male users.

Google+ is the most male-oriented of the major social networks. It's 70% male.

Pinterest is dominated by tablet users. And, according to Nielsen data, 84% of U.S. Pinterest users are women.

Tumblr is strong with teens and young adults interested in self-expression, but only 8% of U.S. Internet users with incomes above $75,000 use Tumblr.