As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the past 12 months.

As most of you here are aware, sites on the Stack Exchange network are moderated somewhat differently to other sites on the web:

We designed the Stack Exchange network engine to be mostly self-regulating, in that we amortize the overall moderation cost of the system across thousands of teeny-tiny slices of effort contributed by regular, everyday users.
-- A Theory of Moderation

That doesn't eliminate the need for having moderators altogether, but it does mean that the bulk of moderation work is carried out by regular folks. Every bit of time and effort y'all contribute to the site gives you access to more privileges you can use to help in this effort, all of which produce a cumulative effect that makes a big difference.

So as we welcome 2021, and in keeping with tradition, let us look back at what we accomplished as a community... by looking at some exciting stats. Below is a breakdown of moderation actions performed on Mathematics over the past 12 months:

Action Moderators Community¹
Users suspended² 294 103
Users destroyed³ 202 0
Users deleted 404 0
Users contacted 423 0
User suspensions lifted early 5 0
User banned from review 36 0
Tasks reviewed⁴: Suggested Edit queue 57 71,217
Tasks reviewed⁴: Reopen Vote queue 12 29,020
Tasks reviewed⁴: Low Quality Posts queue 17 76,553
Tasks reviewed⁴: Late Answer queue 6 10,366
Tasks reviewed⁴: First Post queue 8 66,698
Tasks reviewed⁴: Close Votes queue 1,464 130,235
Tags merged 12 0
Tag synonyms proposed 6 5
Tag synonyms created 6 1
Revisions redacted 2 0
Questions unprotected 0 8
Questions reopened 72 853
Questions protected 4 176
Questions migrated 24 72
Questions merged 61 0
Questions flagged⁵ 40 22,068
Questions closed 2,801 41,667
Question flags handled⁵ 3,473 18,628
Posts unlocked 19 136
Posts undeleted 274 12,952
Posts locked 177 457
Posts deleted⁶ 1,537 113,893
Posts bumped 0 8,569
Escalations to the Community Manager team 56 0
Comments undeleted 108 0
Comments flagged 62 11,040
Comments deleted⁷ 16,766 112,052
Comment flags handled 8,608 2,485
Bounties canceled 13 0
Answers flagged 157 13,236
Answer flags handled 3,318 10,067
All comments on a post moved to chat 135 0


¹ "Community" here refers both to the membership of Mathematics without diamonds next to their names, and to the automated systems otherwise known as user #-1.

² The system will suspend users under three circumstances: when a user is recreated after being previously suspended, when a user is recreated after being destroyed for spam or abuse, and when a network-wide suspension is in effect on an account.

³ A "destroyed" user is deleted along with all that they had posted: questions, answers, comments. Generally used as an expedient way of getting rid of spam.

⁴ This counts every review that was submitted (not skipped) - so the 2 suggested edits reviews needed to approve an edit would count as 2, the goal being to indicate the frequency of moderation actions. This also applies to flags, etc.

⁵ Includes close flags (but not close or reopen votes).

⁶ This ignores numerous deletions that happen automatically in response to some other action.

⁷ This includes comments deleted by their own authors (which also account for some number of handled comment flags).

Further reading:

A big thank you to Shog9 for writing the queries and script to facilitate fetching and posting this data to all the sites in the network, and to Brian for the subsequent work making the whole thing more user friendly.

Wishing everyone a happy 2021!

  • 6
    $\begingroup$ Using a fancy new table feature? Nice. $\endgroup$
    – Asaf Karagila Mod
    Commented Jan 19, 2021 at 18:50
  • 6
    $\begingroup$ Special thanks to the moderators on this site! $\endgroup$
    – amWhy
    Commented Jan 20, 2021 at 0:32
  • 14
    $\begingroup$ "Users deleted: 404" is oddly poetic $\endgroup$ Commented Jan 20, 2021 at 12:11
  • 1
    $\begingroup$ Here it is claimed that there is such a thing as "escalations to the community manager team". As nearly as I can surmise, that means the "community managers" deal with matters beyond what the moderators can handle. So I asked in the moderators' chat room what sorts of things those would be. One of the moderators, Xander Henderson, wrote: "'And what sorts of situations cannot be handled by the moderators?' I am not really at liberty to get into the details of what moderators can and cannot do." $\qquad$ $\endgroup$ Commented Feb 12, 2021 at 16:10
  • 1
    $\begingroup$ This is what "Escalations to the community managers" is referring to, @MichaelHardy $\endgroup$
    – JNat StaffMod
    Commented Feb 12, 2021 at 16:11
  • $\begingroup$ Can community also delete users? $\endgroup$
    – user730361
    Commented Jul 12, 2021 at 11:46


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