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 2025-11-05 14:10:08 +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 126694 total users in the region and you need at least 208 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. bannzai
(bannzai)		 35048 Avatar for bannzai
2. manman4
(manman4)		 7923 Avatar for manman4
3. yuiseki
(yuiseki)		 7747 Avatar for yuiseki
4. sile
(Takeru Ohta)		 6088 Avatar for sile
5. guitarrapc
(Ikiru Yoshizaki)		 5981 Avatar for guitarrapc
6. azu
(azu)		 5758 Avatar for azu
7. yanorei32
(Ray Yano | あねてあ)		 5340 Avatar for yanorei32
8. j5ik2o
(Junichi Kato)		 5211 Avatar for j5ik2o
9. suzuki-shunsuke
(Shunsuke Suzuki)		 5148 Avatar for suzuki-shunsuke
10. bobbens
(Edgar Simo-Serra)		 5040 Avatar for bobbens
11. yuki-kimoto
(Yuki Kimoto)		 4919 Avatar for yuki-kimoto
12. taiki-e
(Taiki Endo)		 4905 Avatar for taiki-e
13. shinh
(Shinichiro Hamaji)		 4618 Avatar for shinh
14. yasulab
(Yohei Yasukawa)		 4219 Avatar for yasulab
15. miyako
(Keisuke Miyako)		 4158 Avatar for miyako
16. hakatashi
(Koki Takahashi)		 4041 Avatar for hakatashi
17. koriym
(Akihito Koriyama)		 3821 Avatar for koriym
18. ryota-murakami
(Ryota Murakami)		 3793 Avatar for ryota-murakami
19. toastkidjp
(Toast kid)		 3655 Avatar for toastkidjp
20. shogo82148
(ICHINOSE Shogo)		 3626 Avatar for shogo82148
21. k1LoW
(Ken’ichiro Oyama)		 3558 Avatar for k1LoW
22. xuwei-k
(kenji yoshida)		 3492 Avatar for xuwei-k
23. hsbt
(Hiroshi SHIBATA)		 3456 Avatar for hsbt
24. sue445
(Go Sueyoshi)		 3223 Avatar for sue445
25. tekezo
(Takayama Fumihiko)		 3217 Avatar for tekezo
26. mcgoon
(van)		 3161 Avatar for mcgoon
27. peppy
(Dean Herbert)		 3118 Avatar for peppy
28. kentaro
(Kentaro Kuribayashi)		 3103 Avatar for kentaro
29. unhappychoice
(Yuji Ueki)		 3080 Avatar for unhappychoice
30. haya14busa
(haya14busa)		 2766 Avatar for haya14busa
31. kou
(Sutou Kouhei)		 2722 Avatar for kou
32. whitphx
(Yuichiro Tachibana (Tsuchiya))		 2692 Avatar for whitphx
33. tokuhirom
(Tokuhiro Matsuno)		 2585 Avatar for tokuhirom
34. ianlewis
(Ian Lewis)		 2488 Avatar for ianlewis
35. YumNumm
(Ryotaro Onoue)		 2462 Avatar for YumNumm
36. making
(Toshiaki Maki)		 2381 Avatar for making
37. hajimehoshi
(Hajime Hoshi)		 2370 Avatar for hajimehoshi
38. harupy
(Harutaka Kawamura)		 2346 Avatar for harupy
39. terasakisatoshi
(Satoshi Terasaki)		 2343 Avatar for terasakisatoshi
40. ursm
(Keita Urashima)		 2281 Avatar for ursm
41. anatawa12
(anatawa12)		 2213 Avatar for anatawa12
42. tmori
(Takashi Mori)		 2191 Avatar for tmori
43. sapphi-red
(翠)		 2173 Avatar for sapphi-red
44. AkihiroSuda
(Akihiro Suda)		 2170 Avatar for AkihiroSuda
45. yuwata
(Yu Watanabe)		 2149 Avatar for yuwata
46. takahirom
(Takahiro Menju)		 2114 Avatar for takahirom
47. mizchi
(Kotaro Chikuba)		 2052 Avatar for mizchi
48. yamadashy
(Kazuki Yamada)		 2028 Avatar for yamadashy
49. winebarrel
(Genki Sugawara)		 1982 Avatar for winebarrel
50. koxudaxi
(Koudai Aono)		 1952 Avatar for koxudaxi
51. halogenandtoast
(Matthew Mongeau)		 1924 Avatar for halogenandtoast
52. sorairolake
(Shun Sakai)		 1907 Avatar for sorairolake
53. norbusan
(Norbert Preining)		 1828 Avatar for norbusan
54. hakuturu583
(Masaya Kataoka)		 1820 Avatar for hakuturu583
55. fujiwara
(FUJIWARA Shunichiro)		 1812 Avatar for fujiwara
56. atztogo
(Atsushi Togo)		 1762 Avatar for atztogo
57. yutkat
(Yuta Katayama)		 1755 Avatar for yutkat
58. Him188
(Him188)		 1745 Avatar for Him188
59. sevenc-nanashi
(Nanashi.)		 1738 Avatar for sevenc-nanashi
60. tatsuhiro-t
(Tatsuhiro Tsujikawa)		 1727 Avatar for tatsuhiro-t
61. keijiro
(Keijiro Takahashi)		 1725 Avatar for keijiro
62. hi-ogawa
(Hiroshi Ogawa)		 1716 Avatar for hi-ogawa
63. yshrsmz
(Yasuhiro SHIMIZU)		 1701 Avatar for yshrsmz
64. eltociear
(Ikko Eltociear Ashimine)		 1684 Avatar for eltociear
65. taisukef
(Taisuke Fukuno)		 1682 Avatar for taisukef
66. kazupon
(kazuya kawaguchi)		 1677 Avatar for kazupon
67. Jannchie
(Jianqi Pan)		 1652 Avatar for Jannchie
68. Shougo
(Shougo)		 1644 Avatar for Shougo
69. syuilo
(syuilo)		 1625 Avatar for syuilo
70. kishikawakatsumi
(Kishikawa Katsumi)		 1614 Avatar for kishikawakatsumi
71. rigaya
(rigaya)		 1608 Avatar for rigaya
72. nobuyuki83
(Nobuyuki Umetani)		 1563 Avatar for nobuyuki83
73. dalance
(Naoya Hatta)		 1562 Avatar for dalance
74. XiaomingX
(Y11)		 1561 Avatar for XiaomingX
75. fumiya-kume
(kuu(Fumiya Kume))		 1536 Avatar for fumiya-kume
76. zcbenz
(Cheng)		 1527 Avatar for zcbenz
77. coliff
(Christian Oliff)		 1522 Avatar for coliff
78. mayocream
(Mayo Takanashi)		 1458 Avatar for mayocream
79. SunsetMkt
(Sunset Mikoto)		 1455 Avatar for SunsetMkt
80. tkoyama010
(Tetsuo Koyama)		 1455 Avatar for tkoyama010
81. koic
(Koichi ITO)		 1418 Avatar for koic
82. PINTO0309
(Katsuya Hyodo)		 1408 Avatar for PINTO0309
83. kitao
(Takashi Kitao)		 1400 Avatar for kitao
84. matz
(Yukihiro "Matz" Matsumoto)		 1373 Avatar for matz
85. 1024jp
(1024jp)		 1370 Avatar for 1024jp
86. hoochanlon
(123456)		 1364 Avatar for hoochanlon
87. Hiroshiba
(Hiroshiba)		 1360 Avatar for Hiroshiba
88. mashharuki
(Haruki Kondo)		 1343 Avatar for mashharuki
89. kazu-yamamoto
(Kazu Yamamoto)		 1338 Avatar for kazu-yamamoto
90. siketyan
(Naoki Ikeguchi)		 1337 Avatar for siketyan
91. nobu
(Nobuyoshi Nakada)		 1329 Avatar for nobu
92. jsakamoto
()		 1325 Avatar for jsakamoto
93. atsushieno
(Atsushi Eno)		 1311 Avatar for atsushieno
94. champierre
(Junya Ishihara)		 1293 Avatar for champierre
95. usualoma
(Taku Amano)		 1284 Avatar for usualoma
96. smoogipoo
(Dan Balasescu)		 1281 Avatar for smoogipoo
97. mio-dokuhaki
(mio-dokuhaki)		 1256 Avatar for mio-dokuhaki
98. rhysd
(Linda_pp)		 1252 Avatar for rhysd
99. gkjohnson
(Garrett Johnson)		 1248 Avatar for gkjohnson
100. lambdalisue
(Λlisue)		 1237 Avatar for lambdalisue
101. fosskers
(Colin Woodbury)		 1226 Avatar for fosskers
102. fa0311
(ふぁ)		 1221 Avatar for fa0311
103. miurahr
(Hiroshi Miura)		 1218 Avatar for miurahr
104. Saul-Mirone
(Mirone)		 1201 Avatar for Saul-Mirone
105. cpojer
(Christoph Nakazawa)		 1192 Avatar for cpojer
106. kaityo256
(Hiroshi Watanabe)		 1166 Avatar for kaityo256
107. smorimoto
(Sora Morimoto)		 1165 Avatar for smorimoto
108. aviatesk
(Shuhei Kadowaki)		 1164 Avatar for aviatesk
109. soutaro
(Soutaro Matsumoto)		 1155 Avatar for soutaro
110. syohex
(Shohei YOSHIDA)		 1127 Avatar for syohex
111. kateinoigakukun
(Yuta Saito)		 1126 Avatar for kateinoigakukun
112. marttp
(Thanaphoom Babparn)		 1109 Avatar for marttp
113. ubugeeei
(ubugeeei)		 1097 Avatar for ubugeeei
114. ota-meshi
(Yosuke Ota)		 1090 Avatar for ota-meshi
115. kt3k
(Yoshiya Hinosawa)		 1090 Avatar for kt3k
116. davetang
(Dave Tang)		 1089 Avatar for davetang
117. neka-nat
(k-tanaka)		 1083 Avatar for neka-nat
118. nuskey8
(Yusuke Nakada)		 1078 Avatar for nuskey8
119. lepture
(Hsiaoming Yang)		 1072 Avatar for lepture
120. zchee
(Koichi Shiraishi)		 1067 Avatar for zchee
121. neuecc
(Yoshifumi Kawai)		 1049 Avatar for neuecc
122. tatsuyafujisaki
(Tatsuya Fujisaki)		 1049 Avatar for tatsuyafujisaki
123. Songmu
(Masayuki Matsuki)		 1037 Avatar for Songmu
124. shimbaco
(Shimba, Koji)		 1034 Avatar for shimbaco
125. MagicalTux
(Mark Karpelès)		 1033 Avatar for MagicalTux
126. hatoo
()		 1014 Avatar for hatoo
127. lhl
(Leonard)		 1003 Avatar for lhl
128. mopemope
(Yutaka Matsubara)		 998 Avatar for mopemope
129. Koras02
(kobiad_ros)		 997 Avatar for Koras02
130. qnighy
(Masaki Hara)		 994 Avatar for qnighy
131. yutannihilation
(Hiroaki Yutani)		 989 Avatar for yutannihilation
132. int128
(Hidetake Iwata)		 987 Avatar for int128
133. uzulla
(uzulla / Junichi Ishida)		 982 Avatar for uzulla
134. inokawa
()		 978 Avatar for inokawa
135. 1amageek
(1amageek)		 976 Avatar for 1amageek
136. rui314
(Rui Ueyama)		 958 Avatar for rui314
137. sugyan
(Yoshihiro Sugi)		 943 Avatar for sugyan
138. yusukebe
(Yusuke Wada)		 941 Avatar for yusukebe
139. piroor
(YUKI "Piro" Hiroshi)		 938 Avatar for piroor
140. msakai
(Masahiro Sakai)		 936 Avatar for msakai
141. takahashim
(Masayoshi Takahashi)		 929 Avatar for takahashim
142. mattn
(mattn)		 923 Avatar for mattn
143. kurone-kito
(Kuroné Kito (黒音キト))		 922 Avatar for kurone-kito
144. shogo4405
(shogo4405)		 915 Avatar for shogo4405
145. noborus
(Noboru Saito)		 914 Avatar for noborus
146. privatenumber
(Hiroki Osame)		 895 Avatar for privatenumber
147. andrewmd5
(Andrew Sampson)		 890 Avatar for andrewmd5
148. fygar256
(Taisuke Maekawa)		 889 Avatar for fygar256
149. koron
(MURAOKA Taro)		 885 Avatar for koron
150. asukaminato0721
(Asuka Minato)		 861 Avatar for asukaminato0721
151. dai-shi
(Daishi Kato)		 860 Avatar for dai-shi
152. matanki-saito
((*`・∀・´*))		 854 Avatar for matanki-saito
153. skanehira
(skanehira)		 846 Avatar for skanehira
154. philwo
(Philipp Wollermann)		 842 Avatar for philwo
155. amatsuda
(Akira Matsuda)		 834 Avatar for amatsuda
156. komagata
(Masaki Komagata)		 832 Avatar for komagata
157. shirakaba
(Jamie Birch)		 831 Avatar for shirakaba
158. jmettraux
(John Mettraux)		 828 Avatar for jmettraux
159. iAJue
(阿珏)		 826 Avatar for iAJue
160. foxy1081
(Foxy)		 825 Avatar for foxy1081
161. masarakki
(masarakki)		 809 Avatar for masarakki
162. wasabeef
(Daichi Furiya)		 808 Avatar for wasabeef
163. hrsh7th
(hrsh7th)		 807 Avatar for hrsh7th
164. baku89
(Baku 麦)		 804 Avatar for baku89
165. JohnTitor
(Yuki Okushi)		 801 Avatar for JohnTitor
166. dvcrn
(David)		 796 Avatar for dvcrn
167. melpon
(melpon)		 794 Avatar for melpon
168. yowatanabe
(Yoshiyuki Watanabe)		 785 Avatar for yowatanabe
169. martinheidegger
(Martin Heidegger)		 777 Avatar for martinheidegger
170. nagadomi
()		 766 Avatar for nagadomi
171. NicolasDorier
(Nicolas Dorier)		 765 Avatar for NicolasDorier
172. kazuho
(Kazuho Oku)		 755 Avatar for kazuho
173. neet
(Ryō Igarashi (五十嵐 涼))		 750 Avatar for neet
174. sotayamashita
(Sam Yamashita)		 748 Avatar for sotayamashita
175. babarot
(Masaki ISHIYAMA)		 745 Avatar for babarot
176. rinsuki
(rinsuki)		 732 Avatar for rinsuki
177. nakasyou
(Shotaro Nakamura)		 727 Avatar for nakasyou
178. sorah
(Sorah Fukumori)		 725 Avatar for sorah
179. Kamesuta
(Kamesuta)		 723 Avatar for Kamesuta
180. ykob
(Yoichi Kobayashi)		 722 Avatar for ykob
181. fukamachi
(Eitaro Fukamachi)		 715 Avatar for fukamachi
182. domenic
(Domenic Denicola)		 714 Avatar for domenic
183. muukii
(Hiroshi Kimura)		 707 Avatar for muukii
184. saki4510t
(saki)		 703 Avatar for saki4510t
185. nuta
(Seiya Nuta)		 701 Avatar for nuta
186. mayuki
(Mayuki Sawatari)		 698 Avatar for mayuki
187. conao3
(Naoya Yamashita)		 693 Avatar for conao3
188. konn
(Hiromi Ishii)		 687 Avatar for konn
189. momeemt
(Mutsuha Asada)		 676 Avatar for momeemt
190. akinomyoga
(Koichi Murase)		 676 Avatar for akinomyoga
191. c-bata
(c-bata)		 676 Avatar for c-bata
192. sideshowbarker
()		 668 Avatar for sideshowbarker
193. Watson1978
(Shizuo Fujita)		 666 Avatar for Watson1978
194. ninoseki
(Manabu Niseki)		 665 Avatar for ninoseki
195. lovyan03
(lovyan03)		 663 Avatar for lovyan03
196. mosuka
(Minoru OSUKA)		 657 Avatar for mosuka
197. taichi-ishitani
(Taichi Ishitani)		 656 Avatar for taichi-ishitani
198. kmizu
(Kota Mizushima)		 655 Avatar for kmizu
199. nopnop2002
()		 651 Avatar for nopnop2002
200. cxxxr
(cxxxr)		 646 Avatar for cxxxr
201. mattatz
(Masatatsu Nakamura)		 642 Avatar for mattatz
202. reindex-ot
(Re*Index. (ot_inc))		 641 Avatar for reindex-ot
203. uezo
(uezo)		 641 Avatar for uezo
204. tsurugi3333
(Tsurugi)		 636 Avatar for tsurugi3333
205. bmf-san
(Kenta Takeuchi)		 625 Avatar for bmf-san
206. dev-yakuza
(DeKu)		 622 Avatar for dev-yakuza
207. seratch
(Kazuhiro Sera)		 615 Avatar for seratch
208. cordx56
(Yuki Okamoto)		 606 Avatar for cordx56
209. planetchili
(chili)		 603 Avatar for planetchili
210. zonuexe
(USAMI Kenta)		 602 Avatar for zonuexe
211. Reputeless
(Ryo Suzuki)		 596 Avatar for Reputeless
212. Cloudef
(Jari Vetoniemi)		 590 Avatar for Cloudef
213. fumiyasac
(Fumiya Sakai)		 588 Avatar for fumiyasac
214. bluele
(Jun Kimura)		 588 Avatar for bluele
215. nateberkopec
(Nate Berkopec)		 585 Avatar for nateberkopec
216. GOROman
(GOROman)		 579 Avatar for GOROman
217. aliceinwire
(Arisu Tachibana)		 570 Avatar for aliceinwire
218. luadebug
(Saikari)		 570 Avatar for luadebug
219. onevcat
(Wei Wang)		 563 Avatar for onevcat
220. termoshtt
(Toshiki Teramura)		 559 Avatar for termoshtt
221. machan1119
(Machan)		 559 Avatar for machan1119
222. tanaikech
(Kanshi TANAIKE)		 556 Avatar for tanaikech
223. sigma7863
(Sigma)		 553 Avatar for sigma7863
224. rmackay9
(Randy Mackay)		 553 Avatar for rmackay9
225. mob-sakai
(mob-sakai)		 551 Avatar for mob-sakai
226. pocke
(Masataka Pocke Kuwabara)		 547 Avatar for pocke
227. the0cp
(Theodore Cooper)		 546 Avatar for the0cp
228. cho45
(Satoh, Hiroh)		 544 Avatar for cho45
229. yuuki
(Yuuki TSUBOUCHI)		 541 Avatar for yuuki
230. youtalk
(Yutaka Kondo)		 540 Avatar for youtalk
231. hiroppy
(Yuta Hiroto)		 540 Avatar for hiroppy
232. hadashiA
(hadashiA)		 539 Avatar for hadashiA
233. ryo8000
(Ryo Hasegawa)		 532 Avatar for ryo8000
234. Jxck
(Jxck)		 531 Avatar for Jxck
235. hoothin
()		 526 Avatar for hoothin
236. yug1224
(Yuji Yamaguchi)		 526 Avatar for yug1224
237. k-okada
(Kei Okada)		 523 Avatar for k-okada
238. alvarobartt
(Alvaro Bartolome)		 522 Avatar for alvarobartt
239. shaoanlu
()		 518 Avatar for shaoanlu
240. giginet
(Kohki Miki)		 518 Avatar for giginet
241. machida
(machida)		 516 Avatar for machida
242. mumoshu
(Yusuke Kuoka)		 512 Avatar for mumoshu
243. GitHub30
()		 506 Avatar for GitHub30
244. sksat
(sksat)		 503 Avatar for sksat
245. ryohey
(ryohey)		 501 Avatar for ryohey
246. stomita
(Shinichi Tomita)		 501 Avatar for stomita
247. mapconcierge
(Taichi FURUHASHI)		 500 Avatar for mapconcierge
248. miyakogi
(miyaco)		 487 Avatar for miyakogi
249. SakiTakamachi
(Saki Takamachi)		 485 Avatar for SakiTakamachi
250. Makio64
(Makio64)		 484 Avatar for Makio64
251. ngs
(Atsushi NAGASE)		 483 Avatar for ngs
252. willnet
(Shinichi Maeshima)		 481 Avatar for willnet
253. BcRikko
(B.C.Rikko)		 481 Avatar for BcRikko
254. cosmo0920
(Hiroshi Hatake)		 477 Avatar for cosmo0920
255. JasonkayZK
(Jasonkay)		 474 Avatar for JasonkayZK
256. udzura
(Kondo Uchio)		 473 Avatar for udzura

Organizations

Rank Organization Members
1. ruby 8
2. vim-jp 6
3. oss-gate 5
4. ukigumo 4
5. web-platform-tests 4
6. perl-users-jp 4
7. reviewdog 4
8. llvm 4
9. github-beta 4
10. ranguba 4