According to Ameba News, monthly book review magazine Da Vinci has announced Book of the Year 2011. The rankings were based on the polls of 4986 people, who are composed of book reviewers, bookstore keepers, and the readers of the magazine. Oda Eiichiro and Umino Chika have won the top spots in the best manga author rankings by large margins.

Best Male Authors
*1, Oda Eiichiro
*2, Inoue Takehiko
*3, Urasawa Naoki
*4, Togashi Yoshihiro
*5, Sorachi Hideaki
*6, Adachi Mitsuru
*7, Azuma Kiyohiko
*8, Aoyama Gosho
*9, Araki Hirohiko
10, Toriyama Akira
11, Asano Inio
12, Obata, Takeshi
13, Akimoto Osamu
14, Koyama Chuya
15, Kishimoto Masashi
16, Hojo Tsukasa
17, Hirokane Kenshi
18, Ishikawa Masayuki
19, Usuta Kyosuke
20, Mizuki Shigeru

Best Female Authors
*1, Umino Chika
*2, Arakawa Hiromu
*3, Nakamura Hikaru
*4, Yazawa Ai
*5, Saibara Rieko
*6, Sakura Momoko
*7, CLAMP
*8, Yoshinaga Fumi
*9, Ichijo Yukari
*9, Takahashi Rumiko
11, Shiina Karuho
12, Higashimura Akiko
13, Anno Moyoco
14, Sasaki Noriko
15, Midorikawa Yuki
16, Yoshida Akimi
17, Hagio Moto
18, Ninomiya Tomoko
19, Nishi Keiko
20, Ikuemi Ryo
20, Tanikawa Fumiko

Best Manga Series
*1, One Piece
*2, 3 Gatsu no Lion
*3, Saint Young Men
*4, Fullmetal Alchemist
*5, Kimi ni Todoke
*6, Thermae Romae
*7, Nodame Cantabile
*8, Gin no Saji
*9, Chihayafuru
10, Shingeki no Kyojin
11, Usagi Drop
12, Bakuman
13, Glass Mask
14, Yotsuba&!
15, Kinou Nani Tabeta?
16, Natsume Yuujinchou
17, Uchuu Kyoudai
18, Hunter x Hunter
19, Kochira Katsushika-ku Kamearikouen-mae Hashutsujo
20, Ohoku
20, Umimachi Diary

Sources: Ameba News, PR Times