Here are the Top 10 Light Novel rankings collected by the "Kono Light Novel ga Sugoi!" (This Light Novel is Amazing!) annual magazine.

Light Novels
*1. Yahari Ore no Seishun Love Comedy wa Machigatteiru (Oregairu)
*2. Sword Art Online (SAO)
*3. No Game No Life (NGNL)
*4. Toaru Majutsu no Index (Index)
*5. Koukyuu Rakuen Kyoujou - Harem League Baseball
*6. Zetsushinkai no Solaris
*7. Escape Speed
*8. Toaru Hikuushi no Seiyaku
*9. Kono Koi to, Sono Mirai
10. Tenkyou no Alderamin

Female Characters
*1. Yukino Yukinoshita (Oregairu)
*2. Misaka Mikoto (Index)
*3. Yui Yuigahama (Oregairu)
*4. Asuna Yuuki (SAO)
*5. Othinus (Index)
*6. Index (Index)
*7. Shino Asada (SAO)
*8. Komachi Hikigaya (Oregairu)
*9. Misaki Shokuhou (Index)
10. Shiro (NGNL)

Male Characters
*1. Hachiman Hikigaya (Oregairu)
*2. Touma Kamijou (Index)
*3. Kazuto Kirigaya (Kirito) (SAO)
*4. Accelerator (Index)
*5. Tatsuya Shiba (Mahouka Koukou)
*6. Sora (NGNL)
*7. Rentarou Satomi (Black Bullet)
*8. Bell Cranel (DanMachi)
*9. Saika Totsuka (Oregairu)
10. Sorouku Ikuta (Tenkyou no Alderamin)

Combined Characters
*1. Hachiman Hikigaya (Oregairu)
*2. Touma Kamijou (Index)
*3. Yukino Yukinoshita (Oregairu)
*4. Misaka Mikoto (Index)
*5. Kazuto Kirigaya (SAO)
*6. Yui Yuigahama (Oregairu)
*7. Asuna Yuuki (SAO)
*8. Accelerator (Index)
*9. Tatsuya Shiba (Mahouka Koukou)
10. Othinus (Index)

Light Novel Artists
*1. Ponkan 8 (Oregairu)
*2. Haimura Kiyotaka (Index)
*3. abec (SAO)
*4. Buriki (Haganai, Denpa Onna to Seishun Otoko)
*5. Ukai Saki (Black Bullet)
*6. Kantoku (Hentai Ouji to Warawanai Neko.)
*7. Miho Takeoka (Bungaku Shoujo, Hikaru)
*8. Yuu Kamiya (NGNL)
*9. Yasuda Suzuhito (Durarara!!)
10. Tsunako (Date A Live)

New Works
*1. Koukyuu Rakuen Kyuujou: Harem League Baseball
*2. Zetsushinkai no Solaris
*3. Kono Koi to, Sono Mirai.
*4. Kiniro Quartet!
*5. Danshi Koukousei de Urekko Light Novel Sakka wo Shiteiru keredo, Toshishita no Classmate de Seiyuu no Onnanoko ni Kubi wo Shimerareteiru.
*6. Higashi Ikebukuro Stray Cats
*7. Seishun Buta Yarou wa Bunny Girl Senpai no Yume wo Minai
*8. Majo wa Tsuki Izuru Tokoro ni Nemuru
*9. Steam Heaven Freaks
10. Re:Zero kara Hajimeru Isekai Seikatsu

Source: Otakomu