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Browsing some of the older SO questions I am noticing quite a few where the original owner of the answer or question is no longer on the site, ie. have had their accounts deleted. Since deleting an account requires the team to intervene and process the deletion, I am interested in the following:

  • How many deletions have there been since launch?
  • How many request are there in a day/week?
  • What is the major reasons for these deletions?
  • How can this be prevented?

I don't expect exact numbers, just an indication would be sufficient, the last 2 questions are more valuable to me

share|improve this question
Do they have to give a reason? – Ladybug Killer Sep 15 '09 at 11:26
They are not required to give a reason as far as I am aware, but I am guessing some do provide one. I know the team will sometimes ask the user if they feel it is a hasty move. – BinaryMisfit Sep 15 '09 at 11:52
up vote 7 down vote accepted

I can't say what the deletion rate is, but there is an automated process that deletes old, inactive users:

We delete cookie-based unregistered accounts when the user has not visited Stack Overflow in four months AND the user has less than 100 reputation

We delete OpenID registered accounts when the user has not visited Stack Overflow in four months AND the user has only 1 reputation

share|improve this answer
deletion rate is about 1000-2000 "users" per week. – Jeff Atwood Sep 15 '09 at 19:14

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