How many Twitter users are there?
According to a study by RJMetrics published in January 2010 in Computer World magazine, Twitter users have reached over 75 million by the end of 2009. The study also showed that every month 6.2 million new Twitter user accounts are created. However, a large number of Twitter accounts are inactive, with about 25% having no followers and 40% not having sent a single tweet.
April 15, 2010 12:05 am
You’ll want to update this number. According to Chirp, the Twitter developer conference, as of April 2010 Twitter has 105,779,710 registered users (http://www.readwriteweb.com/archives/just_the_facts_statistics_from_twitter_chirp.php).
July 31, 2010 12:30 am
“25% having no followers and 40% not having sent a single tweet.”
Seems like there are a lot of people still not yet explore the benefits and power of Twitter, so they abandon there Twitter account. Or may be many people have multiple Twitter accounts.