[OSM-talk] Why do we have so many registered users with zero edits ?

[Simon Poole]

Am 14.04.2013 20:37, schrieb Werner Hoch:
> Am Sonntag, den 14.04.2013, 23:38 +1000 schrieb Steve Bennett:
>> On Sat, Apr 13, 2013 at 11:33 PM, Simon Poole <simon at poole.ch> wrote:
>>> Just a further data point. As of the end of last month we had edits from
>>> 324'152 unique UIDs, not quite 30% of all accounts (some of the
>>> changesets are likely to be empty, but the number is still quite a bit
>>> larger than the often quoted 200'000).
> I think the quotet 220000 are those mappers that still "own" an active
> osm object. (last editor).
Yes, the problem is that particularly the smallest editors are the ones
that are most likely to get their complete last edit contribution zapped
by a bot or by a regular edit.

>> Is there (or could there be?) a graph of contributions against number
>> of u-el-? Might be interesting also to see whether the number of users
>> on zero is vastly different to the number of users on one edit, two
>> edits etc.
> http://www.h-renrew.de/h/osm/osmchecks/03_Statistik/planet/statistic.html
>
> statistic based only on the last editors.
> about 25000 Users only own a single node.

See above this number is probably far to low.
>
> 90% of all ways and nodes are last edited by about 7000 users.
> 99% by about 30000 users.
>   --> 9% of data, 23000 users
> 99.9%  80000 Users
>   --> 0.9% of data, 50000 users
> and the rest:
>   --> 0.1% of data, 140000 users
>

Don't forget that we lost another ~40k editors in total and about 15k
("last editors") in the planet dump due to the licence change.

Simon