From Facebook Developer Wiki

Facebook Developer Wiki statistics

There are 5,413 total pages in the database. This includes "talk" pages, pages about Facebook Developer Wiki, minimal "stub" pages, redirects, and others that probably don't qualify as content pages. Excluding those, there are 1,145 pages that are probably legitimate content pages.

226 files have been uploaded.

There have been a total of 29,439,341 page views, and 30,605 page edits since Facebook Developer Wiki was setup. That comes to 5.65 average edits per page, and 961.91 views per edit.

The job queue length is 5.

User statistics

There are 1,378,734 registered users, of which 35 (or 0.00%) have Sysops rights.

Most viewed pages

1. Main Page‎ [4,008,400]
2. FBML‎ [1,378,913]
3. API‎ [1,234,426]
4. Facebook Connect‎ [486,098]
5. Login Desktop App‎ [427,278]
6. FBJS‎ [411,501]
7. Creating a Platform Application‎ [394,023]
8. Garage Calendar‎ [271,908]
9. FQL‎ [246,691]
10. FAQ‎ [213,821]