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I know where to find the list of users, but where does it say the total number of users on Super User/Stack Overflow/Server Fault?

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2 Answers 2

up vote 4 down vote accepted

Go to the users page, then go to the end and see how many pages there are. Multiply the number of users per page by the number of pages minus 1, then add the users on the last page.

users = (#perpage * #pages-1) + #onlast page

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28,042 users currently...Thanks! –  studiohack Apr 26 '10 at 0:27
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You might want to add some parens there... –  Charlie Somerville Apr 26 '10 at 0:31
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You might also want to apply a rep cutoff to select a set more like those users that actual use the site... –  dmckee Apr 26 '10 at 1:19
    
@dmckee, you have a point...in this case, I was just wondering about how many people were registered with SU.... –  studiohack Apr 26 '10 at 2:00
    
@Charlie, got it –  Lance Roberts Apr 26 '10 at 5:25

For some reason a large portion of users are not listed in the users page and this leads the method of calculating based on the user listing to be inaccurate. Using the described formula one gets around 103K users.

users = (#perpage * #pages-1) + #onlast page

However using one of these two alternate methods:

  1. look at field total_users on http://api.superuser.com/1.0/stats. you get 130K
  2. on the http://stackexchange.com/sites page it lists users as 130K

There is about a 20% difference between 103K and 130K. I believe this question is a duplicate of the Where can one find the total number of unique users in the entire Stack Exchange network? which is where the two more accurate methods are described.

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