The number of people with accounts on social networks continues to grow. While some networks are gaining users more quickly than others, more and more people in the U.S. an around the world are participating on social media.

Below is a chart of monthly active users on the largest social networks. For a sense of scale Facebook use is in excess of 1.5 billion people.

Of course, the important thing for you to know is where the people you want to reach are on social media. These numbers are an eye-opener, for sure, but the “best” channel for you to use is the one where your audience is hanging out.