Half of Americans Will be on Facebook by 2013

As Facebook continues to solidify its role as the world’s top social networking site, eMarketer estimates that more than half of internet users in the US were logging on to the site at least monthly as of the end of 2010. This year, 132.5 million US web users will use the site monthly, eMarketer forecasts. That increase of 13.4% in the number of users means Facebook will reach almost nine in 10 social network users and 57.1% of internet users. By 2013, 62% of web users and almost half (47.6%) of the overall US population will be on Facebook. eMarketer’s estimates are based on a meta-analysis of survey data and visitor statistics from over a dozen sources, and include US users who use any internet-enabled device to access their Facebook account at least once a month.

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