![US Social Network Users & Penetration By Site, 2014-2020 [CHART]](https://trends.e-strategyblog.com/wp-content/uploads/2016/04/204205.gif "Chart - US Social Network Users & Penetration By Site")
This year, for the first time, more than half of the US population will use Facebook, according to eMarketer’s latest social network usage forecast. In 2016, 50.3% of Americans of all ages will be on Facebook at least once a month, up from 49.3% in 2015.
Facebook will remain the dominant social network by a wide margin through at least 2020, the end of eMarketer’s forecast period.
This year, 162.9 million US internet users will log on to the site at least once a month. Facebook-owned Instagram, the second-most-used social network, will have 89.4 million US users this year, or 27.6% of the population. Twitter is a distant third, with 56.8 million users this year, representing 17.5% of the US population. Read the rest at eMarketer.
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