Social Media Infographic: Exploring the demographics of social media The editors at Advertising Age compiled data from the profiles of Twitter, Facebook, and LinkedIn users and assembled it in this handy graphic. By Michael SebastianJune 7, 2011 SHARE Give up? The answer is Indonesia, which has approximately 37 million Facebook members. The U.S. is No. 1 with more than 155 million Facebook users; the U.K. is No. 3 with about 30 million users. To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.