Fan Fic Genres
A very unscientific study which probably won't serve much purpose at all:

I was wondering what categories fanfic archives usually have. So I went to these 11 archives and counted:

Archives Counted:

1.          fanfiction.net - multi-fandom, all non-adult

2.          Ink Stained Fingers - HP, slash

3.          The Library of Moria - LOTR, slash

4.          Smallville Slash Archive - Smallville, slash

5.          A Teaspoon and an Open Mind - Doctor Who, all

6.          Master and Apprentice - Star Wars, slash

7.          Wraithbait - SGA, slash

8.          Area 52 - SG-1, slash

9.          The Sam/Dean Slash Archive - Supernatural, slash

10.      House Fan Fiction Archive - House, all

11.      The Due South Fiction Archive - Due South, all

Stats Part II
Thanks to the autoarchive used by these 5 archives, here's a ranking of categories by fic quantity:



So, that completes my fandom trivia for the day.