I don't know if anyone already made a blog post for this but I decided to make a list of all the manga character profiles for reference. Because (mostly) fandom users continue to change the statistics of characters without really knowing how the wiki works hopefully this will clear up some things.
The wiki goes by the OFFICIAL stats from the manga volumes.
We understand that the characters have improved a lot throughout the series, Hinata for example, but the wiki tries it's best to provide the most accurate canon information. We can't just guess or assume their stats to our own opinions.
I'll update the blog whenever new stats come out. Hopefully there will be less users changing the stats... but part of me bets it won't help anything LOL.
Note: Stats go clockwise from top of the chart
Shōyō Hinata Power: 1/5
Jumping: 5/5
Stamina: 5/5
Game Sense: 1/5
Technique: 1/5
Speed: 5/5
Tobio Kageyama Power: 4/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 5/5
Technique: 5/5
Speed: 4/5
I'd also like to note that below Kageyama's stats it says that his game sense/intelligence parameter refers solely to intelligence in regards to the game of volleyball and has no bearing on normal academic performance. It says this on a few other profiles. I just find this funny.
Daichi Sawamura Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Kōshi Sugawara Power: 2/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 4/5
Technique: 4/5
Speed: 2/5
Asahi Azumane Power: 5/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Yū Nishinoya Power: 2/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 4/5
Technique: 3/5
Speed: 5/5
At the end of every sentence and stat number there is an exclamation point (!)
Ryūnosuke Tanaka Power: 5/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 1/5
Technique: 2/5
Speed: 3/5
Chikara Ennoshita Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Hisashi Kinoshita Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 2/5
Technique: 2/5
Speed: 4/5
Kazuhito Narita Power: 2/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Kei Tsukishima Power: 2/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 5/5
Technique: 3/5
Speed: 3/5
Tadashi Yamaguchi Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 3/5
Technique: 2/5
Speed: 3/5
Kiyoko Shimizu Power: 1/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 2/5
Speed: 5/5
Hitoka Yachi Power: 1/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 4/5
Technique: 1/5
Speed: 2/5
Keishin Ukai Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 2/5
Ittetsu Takeda Power: 1/5
Jumping: 1/5
Stamina: 2/5
Game Sense: 4/5
Technique: 1/5
Speed: 1/5
Yui Michimiya Power: 4/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 4/5
Aobajōsai High
Tōru Oikawa Power: 5/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 4/5
Technique: 5/5
Speed: 3/5
Issei Matsukawa Power: 4/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Takahiro Hanamaki Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 2/5
Hajime Iwaizumi Power: 5/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Shigeru Yahaba Power: 3/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Shinji Watari Power: 2/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Yūtarō Kindaichi Power: 3/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 2/5
Technique: 3/5
Speed: 3/5
Akira Kunimi Power: 3/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 5/5
Technique: 3/5
Speed: 3/5
Kentarō Kyōtani Power: 4/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 1/5
Technique: 3/5
Speed: 4/5
Kenma Kozume Power: 1/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 5/5
Technique: 5/5
Speed: 3/5
Tetsurō Kuroo Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 4/5
Nobuyuki Kai Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Morisuke Yaku Power: 1/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 4/5
Technique: 4/5
Speed: 4/5
Taketora Yamamoto Power: 5/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 1/5
Technique: 3/5
Speed: 2/5
Shōhei Fukunaga Power: 3/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Sō Inuoka Power: 4/5
Jumping: 3/5
Stamina: 5/5
Game Sense: 1/5
Technique: 1/5
Speed: 5/5
Yūki Shibayama Power: 1/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 3/5
Technique: 2/5
Speed: 4/5
Lev Haiba Power: 3/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 2/5
Technique: 1/5
Speed: 4/5
Takanobu Aone Power: 5/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Kenji Futakuchi Power: 4/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Kanji Koganegawa Power: 5/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 1/5
Technique: 1/5
Speed: 4/5
Yutaka Obara Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 3/5
Technique: 4/5
Speed: 2/5
Tarō Onagawa Power: 2/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 2/5
Jingo Fukiage Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 4/5
Technique: 2/5
Speed: 2/5
Kōsuke Sakunami Power: 1/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 2/5
Technique: 3/5
Speed: 4/5
Yasushi Kamasaki Power: 5/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 4/5
Kaname Moniwa Power: 2/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Takehito Sasaya Power: 4/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 4/5
Speed: 3/5
Mai Nametsu Power: 2/5
Jumping: 1/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 1/5
Kōtarō Bokuto Power: 5/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Keiji Akaashi Power: 3/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 4/5
Technique: 4/5
Speed: 4/5
Tatsuki Washio Power: 4/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Yamato Sarukui Power: 4/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Akinori Konoha Power: 2/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 4/5
Haruki Komi Power: 3/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Wataru Onaga Power: 3/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 3/5
Wakatoshi Ushijima Power: 5/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Eita Semi Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Reon Ōhira Power: 5/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 2/5
Satori Tendō Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Tsutomu Goshiki Power: 3/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 4/5
Speed: 3/5
Kenjirō Shirabu Power: 2/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Taichi Kawanishi Power: 3/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Hayato Yamagata Power: 3/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Yuushou Sagae Power: 3/5 Jumping: 3/5 Stamina: 2/5 Game Sense: 2/5 Technique: 3/5 Speed: 3/5
Kai Akakura Power: 2/5 Jumping: 4/5 Stamina: 3/5 Game Sense: 4/5 Technique: 3/5 Speed: 2/5
Suguru Daishō Power: 2/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Yoshiya Takachiho Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 2/5
Kazuma Numai Power: 5/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 3/5
Kōji Hiroo Power: 2/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Isumi Sakishima Power: 3/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 3/5
Technique: 4/5
Speed: 3/5
Sō Akama Power: 4/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 4/5
Akihiko Seguro Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 2/5
Technique: 2/5
Speed: 3/5
Naoyasu Kuguri Power: 3/5
Jumping: 4/5
Stamina: 2/5
Game Sense: 4/5
Technique: 4/5
Speed: 2/5
Mika Yamaka Power: 3/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 4/5
Technique: 1/5
Speed: 2/5
Kazuki Maruyama Power: 3/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Sakae Echigo Power: 3/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 4/5
Technique: 3/5
Speed: 2/5
Motoki Teradomari Power: 5/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 3/5
Technique: 2/5
Speed: 2/5
Tōgo Iwamuro Power: 3/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Yoshitomo Atema Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 3/5
Technique: 2/5
Speed: 4/5
Yūshi Maiko Power: 4/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Akifumi Kaikake Power: 3/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 2/5
Speed: 3/5
Aoi Himekawa Power: 2/5
Jumping: 2/5
Stamina: 2/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Inarizaki High School
Atsumu Miya Power: 3/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 5/5
Technique: 5/5
Speed: 4/5
Osamu Miya Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 4/5
Technique: 4/5
Speed: 4/5
Aran Ojiro Power: 5/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Rintarō Suna Power: 2/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Shinsuke Kita Power: 2/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Ren Oomimi Power: 3/5 Jumping: 2/5 Stamina: 4/5 Game Sense: 3/5 Technique: 3/5 Speed: 3/5
Hitoshi Ginjima Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Michinari Akagi Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Heisuke Riseki Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 2/5
Technique: 2/5
Speed: 3/5
Itaru Shiramine (top)
Power: 2/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Iori Kanazawa (second)
Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 2/5
Speed: 2/5
Tomonari Shiga (third)
Power: 4/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Hisahiko Wakura (bottom)
Power: 2/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Kenrō Fukatani (top)
Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 4/5
Sōji Yamashiro (second)
Power: 3/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 3/5
Technique: 4/5
Speed: 2/5
Tomokazu Wajima (third)
Power: 2/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Kourai Hoshiumi Power: 3/5 Jumping: 5/5 Stamina: 5/5 Game Sense: 4/5 Technique: 5/5 Speed: 4/5
Itachiyama Academy
None so far...
Eikichi Chigaya Power: 3/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 3/5
Technique: 4/5
Speed: 3/5
None so far...
Hayato Ikejiri Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Ougiminami High
Yoshiki Towada Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 2/5
Technique: 2/5
Speed: 3/5
Noboru Akimiya Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Yūdai Hyakuzawa Power: 4/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 2/5
Technique: 1/5
Speed: 2/5
Yuzuru Komaki Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 4/5
Technique: 3/5
Speed: 2/5
Kaito Asamushi Power: 4/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 2/5
Technique: 2/5
Speed: 3/5
Taishi Minamida Power: 2/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 2/5
Speed: 3/5
Yūji Terushima Power: 4/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Kazuma Bobata Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Takeharu Futamata Power: 2/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Rintarō Numajiri Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 4/5
Technique: 3/5
Speed: 4/5
Nobuyoshi Īzaka Power: 3/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Arata Tsuchiyu Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 4/5
Technique: 2/5
Speed: 3/5
Wakutani South High
Takeru Nakashima Power: 4/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 3/5
Technique: 4/5
Speed: 4/5
Shunki Kawatabi Power: 2/5
Jumping: 4/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Yūki Shiroishi Power: 4/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Kazumasa Hanayama Power: 4/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 3/5
Teppei Naruko Power: 3/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 3/5
Speed: 3/5
Kazuteru Akiu Power: 2/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 4/5
Tsuyoshi Matsushima Power: 2/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 2/5
Technique: 2/5
Speed: 4/5
Others
Makoto Shimada Power: 2/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 2/5
Yūsuke Takinoue Power: 3/5
Jumping: 2/5
Stamina: 3/5
Game Sense: 4/5
Technique: 4/5
Speed: 3/5
Saeko Tanaka Power: 4/5
Jumping: 4/5
Stamina: 5/5
Game Sense: 4/5
Technique: 2/5
Speed: 3/5
Akiteru Tsukishima Power: 4/5
Jumping: 2/5
Stamina: 4/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Gō Akaizawa Power: 5/5
Jumping: 3/5
Stamina: 4/5
Game Sense: 2/5
Technique: 2/5
Speed: 2/5
Akane Yamamoto Power: 1/5
Jumping: 3/5
Stamina: 2/5
Game Sense: 3/5
Technique: 2/5
Speed: 4/5
Alisa Haiba Power: 3/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 2/5
Technique: 2/5
Speed: 1/5
Hidemi Tashiro Power: 3/5
Jumping: 3/5
Stamina: 3/5
Game Sense: 4/5
Technique: 2/5
Speed: 2/5
Hiroki Kurokawa Power: 5/5
Jumping: 4/5
Stamina: 4/5
Game Sense: 2/5
Technique: 3/5
Speed: 3/5
Genta Okuda (left) Power: 2/5 Jumping: 3/5 Stamina: 2/5 Game Sense: 4/5 Technique: 3/5 Speed: 2/5
Hiromi Takanashi (right) Power: 3/5 Jumping: 4/5 Stamina: 2/5 Game Sense: 3/5 Technique: 4/5 Speed: 3/5
Kanoka Amanai Power: 4/5
Jumping: 4/4
Stamina: 3/5
Game Sense: 3/5
Technique: 3/5
Speed: 2/5
Atsushi Namikiri (top) Miyako Watahashi (bottom) Haikyū!! Staff Introductions
Ryōtarō Ogura (top) Sakujū Koizumi (middle) Yū Aoki (bottom) Haikyū!! Staff Introductions
Hidenori Uchizawa (Neighborhood Association) Power: 4/5 Jumping: 3/5 Stamina: 4/5 Game Sense: 3/5 Technique: 3/5 Speed: 2/5
Yukinari Mori (Neighborhood Association) Power: 2/5 Jumping: 2/5 Stamina: 2/5 Game Sense: 3/5 Technique: 3/5 Speed: 3/5