This statistic gives information on the number of adult Twitter users in the United States from 2010 to 2012 with forecast until 2014, in millions. In 2010, 13.1 million adult U.S. users accessed the microblogging site at least once a month.
Twitter is a social network that allows for users to post short messages, also called tweets. The company was originally founded in 2006 and has since accumulated hundreds of millions of users, of which 255 million are active monthly and send out roughly 500 million tweets a day. More than three quarters of all traffic originate from smartphones. The social network has seen significant gains worldwide, primarily in the Asia Pacific, North America and Europe. In 2013, 30.5 percent of Twitter users were located in the Asia Pacific, not including China. The age distribution of Twitter users also varies as 43 percent of Twitter users are between the ages of 10 and 19, primarily due to a large number of smartphone users in this age group.
Additionally, Twitter allows celebrities to keep their fans updated. The majority of Twitter accounts with the most followers are made up of actors, musicians or athletes. 7 out of the 10 most followed twitter accounts are actually musicians. Katy Perry is the most followed person worldwide with roughly 53.9 million followers.