On 17 March 2013 13:55, Jan Ainali <jan.ainali@wikimedia.se> wrote:
>
> How come the historical statistics vary over time? Last month I looked at
> the statistics for Swedish Wikipedia and it had 132 new Wikipedians in
> December 2012 and 142 for November. When the January stats came now it says
> it was 139 in December and 144 in November. How is that possible?

"New Wikipedians" counts people who have edited at least ten times
since registering an account; however, they don't have to make all ten
edits in that month.

http://stats.wikimedia.org/EN/TablesWikipediansNew.htm

So if someone registers in December and makes two edits, they won't
show up on that list; if they come back in January and make eight
more, then when the stats are recalculated they'll show up as a new
user for December.

--
- Andrew Gray
  andrew.gray@dunelm.org.uk

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