How many tweets are there per month?

Approximately 1740 million tweets

There are approximately 58 million tweets per day.  This signifies that there are approximately 1740 million tweets per month.  There are 645,750,000 active registered users on Twitter.  Believe it or not, 135000 new Twitter users sign up every day.  This is definitely something.  Keep in mind that there are 115 million active Twitter users every month.  Statistics show that 9100 tweets happen every second.  Studies show that there are 190 million unique Twitter site visitors every month.  Twitter becomes more and more popular.