committers.top

A list of the most active GitHub users

Most active GitHub users in Japan

This is a list of most active GitHub users in Japan over the past year. Other countries/regions can be found here. This list was generated at 2026-08-26 02:30:13 +0000 and machine-readable JSON is available for:

This list is generated with this piece of code. The logic is as follows (in pseudocode): 

githubUsers.sort(_.followers)
           .filter(_.location == 'Japan') 
           .take(1000)
           .sort(_.contributions)
           .take(256)

This list contains all public commits for each user. There are 140677 total users in the region and you need at least 148 followers to be on this list.

Badges are also available, which you can include on your profile pages. Simply include the following markdown for users: 

[![committers.top badge](https://user-badge.committers.top/japan/USERNAME.svg)](https://user-badge.committers.top/japan/USERNAME)
For organizations, you need to use a slightly different markup: 
[![committers.top badge](https://org-badge.committers.top/japan/ORGNAME.svg)](https://org-badge.committers.top/japan/ORGNAME)
In case you aren't currently ranked on this page, you'll simply receive an "unranked" badge.

Rank User Contribs Picture
1. MagicalTux
(Mark Karpelès)		 34357 Avatar for MagicalTux
2. refirst11
()		 34181 Avatar for refirst11
3. rsasaki0109
(Ryohei Sasaki)		 25366 Avatar for rsasaki0109
4. Takazudo
(Takeshi Takatsudo)		 17847 Avatar for Takazudo
5. mizchi
(Kotaro Chikuba)		 17464 Avatar for mizchi
6. yuiseki
(yuiseki)		 17213 Avatar for yuiseki
7. tokuhirom
(Tokuhiro Matsuno)		 16419 Avatar for tokuhirom
8. j5ik2o
(Junichi Kato)		 14222 Avatar for j5ik2o
9. ncaq
()		 10791 Avatar for ncaq
10. fumiya-kume
(kuu(Fumiya Kume))		 10067 Avatar for fumiya-kume
11. syoyo
(Syoyo Fujita)		 9723 Avatar for syoyo
12. lhl
(Leonard)		 9444 Avatar for lhl
13. unhappychoice
(Yuji Ueki)		 9409 Avatar for unhappychoice
14. sile
(Takeru Ohta)		 9401 Avatar for sile
15. yanorei32
(Ray Yano | あねてあ)		 9163 Avatar for yanorei32
16. yaneurao
(yaneurao)		 8685 Avatar for yaneurao
17. zonuexe
(USAMI Kenta)		 8619 Avatar for zonuexe
18. tekezo
(Takayama Fumihiko)		 8573 Avatar for tekezo
19. ubugeeei
(ubugeeei)		 8293 Avatar for ubugeeei
20. shogo82148
(ICHINOSE Shogo)		 8013 Avatar for shogo82148
21. miyako
(Keisuke Miyako)		 7874 Avatar for miyako
22. manman4
(manman4)		 7835 Avatar for manman4
23. shinaoka
(Hiroshi Shinaoka)		 7757 Avatar for shinaoka
24. matz
(Yukihiro "Matz" Matsumoto)		 7680 Avatar for matz
25. mizzy
(Gosuke Miyashita)		 7553 Avatar for mizzy
26. 1amageek
(1amageek)		 7453 Avatar for 1amageek
27. koriym
(Akihito Koriyama)		 7411 Avatar for koriym
28. ko1
(Koichi Sasada)		 7050 Avatar for ko1
29. taiki-e
(Taiki Endo)		 7018 Avatar for taiki-e
30. kurone-kito
(Kuroné Kito (黒音キト))		 6942 Avatar for kurone-kito
31. hsbt
(Hiroshi SHIBATA)		 6818 Avatar for hsbt
32. YumNumm
(Ryotaro Onoue)		 6378 Avatar for YumNumm
33. ryota-murakami
(Ryota Murakami)		 6334 Avatar for ryota-murakami
34. sue445
(Go Sueyoshi)		 6321 Avatar for sue445
35. lestrrat
(lestrrat)		 6089 Avatar for lestrrat
36. guitarrapc
(Ikiru Yoshizaki)		 6057 Avatar for guitarrapc
37. kawasima
(Yoshitaka Kawashima)		 6029 Avatar for kawasima
38. yuki-kimoto
(Yuki Kimoto)		 5981 Avatar for yuki-kimoto
39. k1LoW
(Ken’ichiro Oyama)		 5917 Avatar for k1LoW
40. conao3
(Naoya Yamashita)		 5799 Avatar for conao3
41. mumoshu
(Yusuke Kuoka)		 5797 Avatar for mumoshu
42. kojix2
()		 5735 Avatar for kojix2
43. hakatashi
(Koki Takahashi)		 5694 Avatar for hakatashi
44. wajahat-ali-mir-dev
(Wajahat Ali Mir)		 5551 Avatar for wajahat-ali-mir-dev
45. katahiromz
(Katayama Hirofumi MZ)		 5520 Avatar for katahiromz
46. xuwei-k
(kenji yoshida)		 5347 Avatar for xuwei-k
47. mattn
(mattn)		 5293 Avatar for mattn
48. bannzai
(bannzai)		 5245 Avatar for bannzai
49. azu
(azu)		 5201 Avatar for azu
50. houko
(Evan)		 5113 Avatar for houko
51. ursm
(Keita Urashima)		 5011 Avatar for ursm
52. winebarrel
(Genki Sugawara)		 4980 Avatar for winebarrel
53. EdamAme-x
(EdamAmex)		 4967 Avatar for EdamAme-x
54. sksat
(sksat)		 4945 Avatar for sksat
55. 2bbb
(2bit)		 4937 Avatar for 2bbb
56. bootjp
(Yoshiaki Ueda (bootjp))		 4816 Avatar for bootjp
57. ytakano
(ytakano)		 4760 Avatar for ytakano
58. PINTO0309
(Katsuya Hyodo)		 4665 Avatar for PINTO0309
59. zchee
(Koichi Shiraishi)		 4443 Avatar for zchee
60. takahashim
(Masayoshi Takahashi)		 4407 Avatar for takahashim
61. jiangzhuo
(Jiangzhuo )		 4335 Avatar for jiangzhuo
62. LumaKernel
(Luma)		 4233 Avatar for LumaKernel
63. otnc
(otoneko.)		 4224 Avatar for otnc
64. sxzz
(Kevin Deng)		 4212 Avatar for sxzz
65. europanite
(europanite)		 4169 Avatar for europanite
66. making
(Toshiaki Maki)		 4151 Avatar for making
67. dalance
(Naoya Hatta)		 4092 Avatar for dalance
68. wkentaro
(Kentaro Wada)		 3929 Avatar for wkentaro
69. halogenandtoast
(Matthew Mongeau)		 3820 Avatar for halogenandtoast
70. himkt
(himkt)		 3773 Avatar for himkt
71. kmizu
(Kota Mizushima)		 3734 Avatar for kmizu
72. tk0miya
(Takeshi KOMIYA)		 3729 Avatar for tk0miya
73. amatsuda
(Akira Matsuda)		 3710 Avatar for amatsuda
74. toastkidjp
(Toast kid)		 3695 Avatar for toastkidjp
75. akiomik
(Akiomi KAMAKURA)		 3612 Avatar for akiomik
76. coji
(Coji Mizoguchi)		 3601 Avatar for coji
77. yamadashy
(Kazuki Yamada)		 3597 Avatar for yamadashy
78. fujiwara
(FUJIWARA Shunichiro)		 3595 Avatar for fujiwara
79. mackysoft
(Makihiro)		 3513 Avatar for mackysoft
80. 0x0c
(Akira MATSUDA)		 3456 Avatar for 0x0c
81. SebastienGllmt
(Sebastien Guillemot)		 3392 Avatar for SebastienGllmt
82. yug1224
(Yuji Yamaguchi)		 3388 Avatar for yug1224
83. ianlewis
(Ian Lewis)		 3385 Avatar for ianlewis
84. kazupon
(kazuya kawaguchi)		 3359 Avatar for kazupon
85. myuon
(myuon)		 3316 Avatar for myuon
86. yasulab
(Yohei Yasukawa)		 3316 Avatar for yasulab
87. gfx
(FUJI Goro)		 3270 Avatar for gfx
88. harupy
(Harutaka Kawamura)		 3260 Avatar for harupy
89. mashharuki
(Haruki Kondo)		 3250 Avatar for mashharuki
90. sapphi-red
(翠)		 3201 Avatar for sapphi-red
91. Sakura520222
(车厘子小樱)		 3194 Avatar for Sakura520222
92. sevenc-nanashi
(Nanashi.)		 3182 Avatar for sevenc-nanashi
93. komagata
(Masaki Komagata)		 3154 Avatar for komagata
94. tkoyama010
(Tetsuo Koyama)		 3127 Avatar for tkoyama010
95. bobbens
(Edgar Simo-Serra)		 3102 Avatar for bobbens
96. tmori
(Takashi Mori)		 3092 Avatar for tmori
97. hakuturu583
(Masaya Kataoka)		 3037 Avatar for hakuturu583
98. john-rocky
(Daisuke Majima)		 3002 Avatar for john-rocky
99. suzuki-shunsuke
(Shunsuke Suzuki)		 2987 Avatar for suzuki-shunsuke
100. yohasebe
(Yoichiro Hasebe)		 2970 Avatar for yohasebe
101. bee-san
(Autumn (Bee))		 2934 Avatar for bee-san
102. m-mizutani
(Masayoshi Mizutani)		 2915 Avatar for m-mizutani
103. shimbaco
(Shimba, Koji)		 2873 Avatar for shimbaco
104. rigaya
(rigaya)		 2871 Avatar for rigaya
105. sotarok
(Sotaro Karasawa)		 2855 Avatar for sotarok
106. 1024jp
(1024jp)		 2794 Avatar for 1024jp
107. lambdalisue
(Λlisue)		 2787 Avatar for lambdalisue
108. seriaati
(seria)		 2765 Avatar for seriaati
109. Jannchie
(Jianqi Pan)		 2684 Avatar for Jannchie
110. keijiro
(Keijiro Takahashi)		 2654 Avatar for keijiro
111. kitao
(Takashi Kitao)		 2653 Avatar for kitao
112. t-hamano
(Aki Hamano)		 2579 Avatar for t-hamano
113. hajimehoshi
(Hajime Hoshi)		 2533 Avatar for hajimehoshi
114. sigma7863
(Sigma)		 2508 Avatar for sigma7863
115. skanehira
(skanehira)		 2496 Avatar for skanehira
116. ksoichiro
(Soichiro Kashima)		 2491 Avatar for ksoichiro
117. atsushieno
(Atsushi Eno)		 2448 Avatar for atsushieno
118. aiya000
(aiya000)		 2377 Avatar for aiya000
119. take-cheeze
(Takeshi Watanabe)		 2366 Avatar for take-cheeze
120. onevcat
(Wei Wang)		 2323 Avatar for onevcat
121. walf443
(Keiji, Yoshimi)		 2321 Avatar for walf443
122. hi-ogawa
(Hiroshi Ogawa)		 2279 Avatar for hi-ogawa
123. yohamta0
(Yota Hamada)		 2246 Avatar for yohamta0
124. aviatesk
(Shuhei Kadowaki)		 2244 Avatar for aviatesk
125. terasakisatoshi
(Satoshi Terasaki)		 2241 Avatar for terasakisatoshi
126. kishikawakatsumi
(Kishikawa Katsumi)		 2222 Avatar for kishikawakatsumi
127. nateberkopec
(Nate Berkopec)		 2220 Avatar for nateberkopec
128. egisatoshi
(Satoshi Egi)		 2190 Avatar for egisatoshi
129. peppy
(Dean Herbert)		 2184 Avatar for peppy
130. koron
(MURAOKA Taro)		 2159 Avatar for koron
131. znz
(Kazuhiro NISHIYAMA)		 2157 Avatar for znz
132. gkjohnson
(Garrett Johnson)		 2157 Avatar for gkjohnson
133. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 2153 Avatar for tatsuhiro-t
134. Saqoosha
(Saqoosha)		 2133 Avatar for Saqoosha
135. anatawa12
(anatawa12)		 2111 Avatar for anatawa12
136. ra1nyxin
()		 2099 Avatar for ra1nyxin
137. nercone-dev
(nercone)		 2067 Avatar for nercone-dev
138. AkihiroSuda
(Akihiro Suda)		 2042 Avatar for AkihiroSuda
139. enliven17
(cankat)		 2033 Avatar for enliven17
140. kubosho
(KUBOTA Shōta)		 2021 Avatar for kubosho
141. t3tra-dev
(t3tra)		 1980 Avatar for t3tra-dev
142. KaenBlaze
(Kaen)		 1980 Avatar for KaenBlaze
143. SethRobinson
(Seth Robinson)		 1972 Avatar for SethRobinson
144. bmf-san
(Kenta Takeuchi)		 1965 Avatar for bmf-san
145. kawarimidoll
(カワリミ人形)		 1964 Avatar for kawarimidoll
146. taishikato
(Taishi)		 1957 Avatar for taishikato
147. hfu
(Hidenori)		 1936 Avatar for hfu
148. atztogo
(Atsushi Togo)		 1927 Avatar for atztogo
149. tokoik
(Kohe Tokoi)		 1924 Avatar for tokoik
150. JohnTitor
(Yuki Okushi)		 1892 Avatar for JohnTitor
151. AdingApkgg
(Asuna)		 1889 Avatar for AdingApkgg
152. shibukawa
(Yoshiki Shibukawa)		 1887 Avatar for shibukawa
153. kexi
(Kei Nakayama)		 1845 Avatar for kexi
154. yutkat
(Yuta Katayama)		 1831 Avatar for yutkat
155. koxudaxi
(Koudai Aono)		 1817 Avatar for koxudaxi
156. Hiroshiba
(Hiroshiba)		 1802 Avatar for Hiroshiba
157. vrtmrz
(vorotamoroz)		 1802 Avatar for vrtmrz
158. shyouhei
(卜部昌平)		 1801 Avatar for shyouhei
159. tyoshikawa1106
(Taiki Yoshikawa)		 1801 Avatar for tyoshikawa1106
160. mpyw
(mpyw)		 1795 Avatar for mpyw
161. linyows
(Tomohisa Oda)		 1795 Avatar for linyows
162. tadashi-aikawa
(Tadashi Aikawa)		 1794 Avatar for tadashi-aikawa
163. kazunori279
(Kaz Sato)		 1776 Avatar for kazunori279
164. RobertTLange
(Robert Tjarko Lange)		 1759 Avatar for RobertTLange
165. whitphx
(Yuichiro Tachibana (Tsuchiya))		 1749 Avatar for whitphx
166. cpojer
(Christoph Nakazawa)		 1748 Avatar for cpojer
167. koic
(Koichi ITO)		 1724 Avatar for koic
168. iebb
(ieb)		 1722 Avatar for iebb
169. konn
(Hiromi Ishii)		 1719 Avatar for konn
170. ukonpower
(ukonpower)		 1697 Avatar for ukonpower
171. jsakamoto
()		 1680 Avatar for jsakamoto
172. f0reachARR
(ぐるぐる)		 1667 Avatar for f0reachARR
173. kt3k
(Yoshiya Hinosawa)		 1665 Avatar for kt3k
174. smallkirby
(smallkirby)		 1664 Avatar for smallkirby
175. yuichkun
(Yuichi Yogo)		 1655 Avatar for yuichkun
176. coliff
(Christian Oliff)		 1637 Avatar for coliff
177. ynqa
()		 1625 Avatar for ynqa
178. nwtgck
(Ryo Ota)		 1625 Avatar for nwtgck
179. seratch
(Kazuhiro Sera)		 1617 Avatar for seratch
180. Songmu
(Masayuki Matsuki)		 1615 Avatar for Songmu
181. norbusan
(Norbert Preining)		 1609 Avatar for norbusan
182. sorairolake
(Shun Sakai)		 1600 Avatar for sorairolake
183. sideshowbarker
()		 1597 Avatar for sideshowbarker
184. kou
(Sutou Kouhei)		 1594 Avatar for kou
185. Shougo
(Shougo)		 1571 Avatar for Shougo
186. TimOliver
(Tim Oliver)		 1571 Avatar for TimOliver
187. sorah
(Sorah Fukumori)		 1542 Avatar for sorah
188. koji
(koji)		 1526 Avatar for koji
189. elzup
(elzup)		 1518 Avatar for elzup
190. waylandzhang
(WAYLAND ZHANG)		 1513 Avatar for waylandzhang
191. Watson1978
(Shizuo Fujita)		 1512 Avatar for Watson1978
192. nobu
(Nobuyoshi Nakada)		 1507 Avatar for nobu
193. miurahr
(Hiroshi Miura)		 1499 Avatar for miurahr
194. taisukef
(Taisuke Fukuno)		 1494 Avatar for taisukef
195. inokawa
()		 1488 Avatar for inokawa
196. nwiizo
(nwiizo)		 1480 Avatar for nwiizo
197. eitsupi
()		 1464 Avatar for eitsupi
198. mika-f
(MOCHIZUKI Kanon)		 1457 Avatar for mika-f
199. rob0pup
(Robin)		 1439 Avatar for rob0pup
200. ykzts
(Yamagishi Kazutoshi)		 1437 Avatar for ykzts
201. mopemope
(Yutaka Matsubara)		 1432 Avatar for mopemope
202. mosuka
(Minoru OSUKA)		 1426 Avatar for mosuka
203. kazuho
(Kazuho Oku)		 1425 Avatar for kazuho
204. zapabob
(峯岸 亮)		 1424 Avatar for zapabob
205. XiaomingX
(Y11)		 1421 Avatar for XiaomingX
206. machida
(machida)		 1421 Avatar for machida
207. haya14busa
(haya14busa)		 1416 Avatar for haya14busa
208. mayocream
(Mayo Takanashi)		 1406 Avatar for mayocream
209. shinh
(Shinichiro Hamaji)		 1402 Avatar for shinh
210. babarot
(Masaki ISHIYAMA)		 1375 Avatar for babarot
211. Comamoca
(Comamoca)		 1375 Avatar for Comamoca
212. pocke
(Masataka Pocke Kuwabara)		 1367 Avatar for pocke
213. yuwata
(Yu Watanabe)		 1365 Avatar for yuwata
214. vraestoren
(huok)		 1365 Avatar for vraestoren
215. cho45
(Satoh, Hiroh)		 1352 Avatar for cho45
216. udzura
(Kondo Uchio)		 1349 Avatar for udzura
217. lepture
(Hsiaoming Yang)		 1346 Avatar for lepture
218. Kanahiro
(Kanahiro Iguchi)		 1333 Avatar for Kanahiro
219. privatenumber
(Hiroki Osame)		 1322 Avatar for privatenumber
220. qwexvf
(Maruchan)		 1317 Avatar for qwexvf
221. fygar256
(Taisuke Maekawa)		 1315 Avatar for fygar256
222. rui314
(Rui Ueyama)		 1313 Avatar for rui314
223. tatsuyafujisaki
(Tatsuya Fujisaki)		 1310 Avatar for tatsuyafujisaki
224. nulltask
(Seiya KONNO)		 1306 Avatar for nulltask
225. sivchari
(Takuma Shibuya)		 1301 Avatar for sivchari
226. kazeburo
(Masahiro Nagano)		 1298 Avatar for kazeburo
227. craftzdog
(Takuya Matsuyama)		 1291 Avatar for craftzdog
228. yshrsmz
(Yasuhiro SHIMIZU)		 1264 Avatar for yshrsmz
229. kyamagu
(Kota Yamaguchi)		 1262 Avatar for kyamagu
230. hotchpotch
(Yuichi Tateno (secon))		 1245 Avatar for hotchpotch
231. melpon
(melpon)		 1245 Avatar for melpon
232. syohex
(Shohei YOSHIDA)		 1238 Avatar for syohex
233. kaityo256
(Hiroshi Watanabe)		 1228 Avatar for kaityo256
234. knu
(Akinori Musha)		 1221 Avatar for knu
235. trust-delta
(trust-delta)		 1221 Avatar for trust-delta
236. lan496
(Kohei Shinohara)		 1221 Avatar for lan496
237. eggplants
(haruna)		 1219 Avatar for eggplants
238. bea4dev
(bea4dev)		 1218 Avatar for bea4dev
239. inc2734
(Takashi Kitajima)		 1210 Avatar for inc2734
240. neka-nat
(k-tanaka)		 1208 Avatar for neka-nat
241. masuidrive
(Yuichiro MASUI)		 1205 Avatar for masuidrive
242. c-bata
(c-bata)		 1205 Avatar for c-bata
243. touyou
(Fujii Yosuke)		 1198 Avatar for touyou
244. hashrock
(hashrock)		 1193 Avatar for hashrock
245. ryotarai
(Ryota Arai)		 1186 Avatar for ryotarai
246. leaysgur
(Yuji Sugiura)		 1179 Avatar for leaysgur
247. yutannihilation
(Hiroaki Yutani)		 1171 Avatar for yutannihilation
248. shugo
(Shugo Maeda)		 1169 Avatar for shugo
249. aoi1026
(AOI)		 1167 Avatar for aoi1026
250. yuuki
(Yuuki TSUBOUCHI)		 1165 Avatar for yuuki
251. otiai10
(Hiromu OCHIAI)		 1164 Avatar for otiai10
252. akatsuki105
(Akatsuki)		 1162 Avatar for akatsuki105
253. drasticactions
(Tim Miller)		 1157 Avatar for drasticactions
254. wadackel
(tsuyoshi wada)		 1134 Avatar for wadackel
255. andreypfau
(Andrey Pfau)		 1118 Avatar for andreypfau
256. amake
(Aaron Madlon-Kay)		 1116 Avatar for amake

Organizations

Rank Organization Members
1. ruby 10
2. asakusarb 7
3. vim-jp 6
4. epicgames 5
5. ruby-no-kai 5
6. perl-users-jp 5
7. reviewdog 4
8. emacs-jp 4
9. hiki 4
10. pfnet 4