On Wed, Apr 18, 2012 at 11:07 AM, Yaroslav M. Blanter <[email protected]> wrote: <snip>
> 1. What is the average lifetime of a Wikipedia editor (for instance the one > with at leat 1000 contributions)? I recollect smth about two years, but I am > pretty sure I have never seen any research on this. How does it depend on > the number of contributions? For enwiki, using data from last August: 28243 users have at least 1000 edits (all namespaces). Of these, 9898 had not edited in the six months before the end of the data set. So about 65% of the major editors are still active, at least occasionally. The mean wiki-lifetime for the 28243 major users was 49.9 months. For the 9898 users who were not recently active, the mean wiki-lifetime was 35.6 months. Further, there are 4685 users with at least 10000 edits, and of these, all but 914 were still active in the last 6 months of the data set. So 80% of the editors at the very high end are still active (at least occasionally). The mean wiki-lifetime on the total group is 60.5 months, and the departed group is 42.6 months. Incidentally, the mean account age of individuals editing article space is now over 3 years for enwiki. A lot of the work is being by the relative old-timers. By the same token though, people who have ever made it to 1000 edits are more likely than not to still be active today. -Robert Rohde _______________________________________________ Wikimedia-l mailing list [email protected] Unsubscribe: https://lists.wikimedia.org/mailman/listinfo/wikimedia-l
