Funny story: I noticed that Aaron's graph has the 1-month new editor retention on enwiki at about 7%, while I had recently done some queries that put it a little under 4%.

It turns out I made an error in my Unix timestamp math, and I was looking at the 12 hour new editor retention rate. It'll be interesting to see if the ranking of wikis by retention changes significantly when I correct that.

On Wed, Mar 29, 2017 at 2:15 PM, Aaron Halfaker <> wrote:

On Wed, Mar 29, 2017 at 4:14 PM, Aaron Halfaker <> wrote:
Here's a graph of the retention rates of new editors in English Wikipedia.  

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Neil Patel Quinn, product analyst
Wikimedia Foundation