On Wednesday, Google disclosed that its year-old Google Plus social network now has 250 million registered users. That’s up from 170 million a few months ago.
That’s far smaller than Facebook’s more than 900 million _ and that counts only those who use the service in a given month. But near the one-year mark, Facebook had only a million.
Facebook did not reveal the number at the one-year mark, in February 2005. The year-end number for 2004 is the closest available to that milestone.
Here is a look at how the number of active users at Facebook has grown:
1 million _ End of 2004.
5.5 million _ End of 2005.
12 million _ End of 2006.
20 million _ April 2007.
50 million _ October 2007.
100 million _ August 2008.
150 million _ January 2009.
175 million _ February 2009.
200 million _ April 2009.
250 million _ July 2009.
300 million _ September 2009.
350 million _ End of 2009.
400 million _ February 2010.
500 million _ July 2010.
608 million _ End of 2010.
750 million _ July 2011.
800 million _ September 2011.
845 million _ End of 2011.
901 million _ March 2012.
Source: Facebook Inc.
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