A list of the most active GitHub users
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 2026-05-02 15:16:21 +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 contributions for each user. There are 132757 total users in the region and you need at least 198 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:
[](https://user-badge.committers.top/japan_public/USERNAME)
For organizations, you need to use a slightly different markup:
[](https://org-badge.committers.top/japan_public/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) |
37273 | |
| 2. | yuiseki (yuiseki) |
17453 | |
| 3. | tokuhirom (Tokuhiro Matsuno) |
13905 | |
| 4. | mizchi (Kotaro Chikuba) |
13714 | |
| 5. | j5ik2o (Junichi Kato) |
9605 | |
| 6. | unhappychoice (Yuji Ueki) |
9157 | |
| 7. | sile (Takeru Ohta) |
8731 | |
| 8. | fumiya-kume (kuu(Fumiya Kume)) |
8478 | |
| 9. | MagicalTux (Mark Karpelès) |
8243 | |
| 10. | manman4 (manman4) |
8185 | |
| 11. | xuwei-k (kenji yoshida) |
8060 | |
| 12. | yanorei32 (Ray Yano | あねてあ) |
7960 | |
| 13. | sapphi-red (翠) |
7432 | |
| 14. | ashryanbeats (Ash Ryan Arnwine) |
7426 | |
| 15. | sue445 (Go Sueyoshi) |
7312 | |
| 16. | tekezo (Takayama Fumihiko) |
7221 | |
| 17. | houko (Evan) |
7155 | |
| 18. | mizzy (Gosuke Miyashita) |
7092 | |
| 19. | taiki-e (Taiki Endo) |
6987 | |
| 20. | azu (azu) |
6938 | |
| 21. | ryota-murakami (Ryota Murakami) |
6763 | |
| 22. | miyako (Keisuke Miyako) |
6761 | |
| 23. | shinh (Shinichiro Hamaji) |
6755 | |
| 24. | harupy (Harutaka Kawamura) |
6618 | |
| 25. | suzuki-shunsuke (Shunsuke Suzuki) |
6326 | |
| 26. | k1LoW (Ken’ichiro Oyama) |
6320 | |
| 27. | koriym (Akihito Koriyama) |
6098 | |
| 28. | guitarrapc (Ikiru Yoshizaki) |
5843 | |
| 29. | yuki-kimoto (Yuki Kimoto) |
5722 | |
| 30. | shogo82148 (ICHINOSE Shogo) |
5656 | |
| 31. | hsbt (Hiroshi SHIBATA) |
5626 | |
| 32. | sxzz (Kevin Deng) |
5409 | |
| 33. | tkoyama010 (Tetsuo Koyama) |
5392 | |
| 34. | hakatashi (Koki Takahashi) |
5352 | |
| 35. | rsasaki0109 (rsasaki0109) |
5058 | |
| 36. | ianlewis (Ian Lewis) |
5036 | |
| 37. | hi-ogawa (Hiroshi Ogawa) |
4768 | |
| 38. | AkihiroSuda (Akihiro Suda) |
4742 | |
| 39. | kou (Sutou Kouhei) |
4695 | |
| 40. | nateberkopec (Nate Berkopec) |
4691 | |
| 41. | bobbens (Edgar Simo-Serra) |
4524 | |
| 42. | yasulab (Yohei Yasukawa) |
4425 | |
| 43. | europanite (europanite) |
4393 | |
| 44. | YumNumm (Ryotaro Onoue) |
4320 | |
| 45. | tk0miya (Takeshi KOMIYA) |
4266 | |
| 46. | ykzts (Yamagishi Kazutoshi) |
4101 | |
| 47. | lestrrat (lestrrat) |
4050 | |
| 48. | winebarrel (Genki Sugawara) |
4009 | |
| 49. | peppy (Dean Herbert) |
3884 | |
| 50. | toastkidjp (Toast kid) |
3726 | |
| 51. | EdamAme-x (EdamAmex) |
3675 | |
| 52. | terasakisatoshi (Satoshi Terasaki) |
3568 | |
| 53. | mattn (mattn) |
3546 | |
| 54. | fujiwara (FUJIWARA Shunichiro) |
3441 | |
| 55. | yamadashy (Kazuki Yamada) |
3409 | |
| 56. | halogenandtoast (Matthew Mongeau) |
3406 | |
| 57. | sorairolake (Shun Sakai) |
3405 | |
| 58. | asukaminato0721 (Asuka Minato) |
3319 | |
| 59. | yug1224 (Yuji Yamaguchi) |
3291 | |
| 60. | sevenc-nanashi (Nanashi.) |
3259 | |
| 61. | lambdalisue (Λlisue) |
3256 | |
| 62. | gfx (FUJI Goro) |
3226 | |
| 63. | aviatesk (Shuhei Kadowaki) |
3221 | |
| 64. | amatsuda (Akira Matsuda) |
3205 | |
| 65. | lhl (Leonard) |
3142 | |
| 66. | tatsuhiro-t (Tatsuhiro Tsujikawa) |
3095 | |
| 67. | making (Toshiaki Maki) |
3067 | |
| 68. | koxudaxi (Koudai Aono) |
3066 | |
| 69. | PINTO0309 (Katsuya Hyodo) |
2993 | |
| 70. | conao3 (Naoya Yamashita) |
2990 | |
| 71. | coliff (Christian Oliff) |
2944 | |
| 72. | sksat (sksat) |
2875 | |
| 73. | dalance (Naoya Hatta) |
2872 | |
| 74. | Hiroshiba (Hiroshiba) |
2847 | |
| 75. | mashharuki (Haruki Kondo) |
2843 | |
| 76. | yutkat (Yuta Katayama) |
2813 | |
| 77. | 1amageek (1amageek) |
2812 | |
| 78. | keijiro (Keijiro Takahashi) |
2805 | |
| 79. | anatawa12 (anatawa12) |
2801 | |
| 80. | gkjohnson (Garrett Johnson) |
2798 | |
| 81. | hajimehoshi (Hajime Hoshi) |
2793 | |
| 82. | haya14busa (haya14busa) |
2791 | |
| 83. | bmf-san (Kenta Takeuchi) |
2780 | |
| 84. | hoochanlon (123456) |
2732 | |
| 85. | whitphx (Yuichiro Tachibana (Tsuchiya)) |
2710 | |
| 86. | ubugeeei (ubugeeei) |
2678 | |
| 87. | JohnTitor (Yuki Okushi) |
2672 | |
| 88. | komagata (Masaki Komagata) |
2614 | |
| 89. | sigma7863 (Sigma) |
2527 | |
| 90. | matz (Yukihiro "Matz" Matsumoto) |
2497 | |
| 91. | ursm (Keita Urashima) |
2455 | |
| 92. | fujitatomoya (Tomoya Fujita) |
2439 | |
| 93. | seratch (Kazuhiro Sera) |
2433 | |
| 94. | miurahr (Hiroshi Miura) |
2409 | |
| 95. | 1024jp (1024jp) |
2395 | |
| 96. | yshrsmz (Yasuhiro SHIMIZU) |
2348 | |
| 97. | kmizu (Kota Mizushima) |
2343 | |
| 98. | ksoichiro (Soichiro Kashima) |
2334 | |
| 99. | shimbaco (Shimba, Koji) |
2308 | |
| 100. | onevcat (Wei Wang) |
2295 | |
| 101. | nobu (Nobuyoshi Nakada) |
2292 | |
| 102. | kishikawakatsumi (Kishikawa Katsumi) |
2258 | |
| 103. | atsushieno (Atsushi Eno) |
2253 | |
| 104. | wkentaro (Kentaro Wada) |
2252 | |
| 105. | mcgoon (van) |
2228 | |
| 106. | Watson1978 (Shizuo Fujita) |
2190 | |
| 107. | tmori (Takashi Mori) |
2189 | |
| 108. | cpojer (Christoph Nakazawa) |
2172 | |
| 109. | hakuturu583 (Masaya Kataoka) |
2169 | |
| 110. | mumoshu (Yusuke Kuoka) |
2159 | |
| 111. | koic (Koichi ITO) |
2154 | |
| 112. | atztogo (Atsushi Togo) |
2144 | |
| 113. | norbusan (Norbert Preining) |
2142 | |
| 114. | akiomik (Akiomi KAMAKURA) |
2107 | |
| 115. | Songmu (Masayuki Matsuki) |
2042 | |
| 116. | kazupon (kazuya kawaguchi) |
2039 | |
| 117. | kitao (Takashi Kitao) |
2011 | |
| 118. | yutannihilation (Hiroaki Yutani) |
1998 | |
| 119. | leaysgur (Yuji Sugiura) |
1981 | |
| 120. | yusukebe (Yusuke Wada) |
1941 | |
| 121. | cho45 (Satoh, Hiroh) |
1920 | |
| 122. | Saqoosha (Saqoosha) |
1914 | |
| 123. | ota-meshi (Yosuke Ota) |
1885 | |
| 124. | taisukef (Taisuke Fukuno) |
1880 | |
| 125. | ko1 (Koichi Sasada) |
1862 | |
| 126. | sideshowbarker () |
1853 | |
| 127. | touyou (Fujii Yosuke) |
1845 | |
| 128. | mosuka (Minoru OSUKA) |
1839 | |
| 129. | hardfist (hardfist) |
1827 | |
| 130. | Jannchie (Jianqi Pan) |
1816 | |
| 131. | john-rocky (Daisuke Majima) |
1789 | |
| 132. | kt3k (Yoshiya Hinosawa) |
1784 | |
| 133. | luadebug (Saikari) |
1781 | |
| 134. | skanehira (skanehira) |
1780 | |
| 135. | zchee (Koichi Shiraishi) |
1773 | |
| 136. | smoogipoo (Dan Balasescu) |
1770 | |
| 137. | mopemope (Yutaka Matsubara) |
1724 | |
| 138. | himkt (himkt) |
1722 | |
| 139. | koron (MURAOKA Taro) |
1698 | |
| 140. | syoyo (Syoyo Fujita) |
1692 | |
| 141. | int128 (Hidetake Iwata) |
1685 | |
| 142. | privatenumber (Hiroki Osame) |
1671 | |
| 143. | kawasima (Yoshitaka Kawashima) |
1662 | |
| 144. | inokawa () |
1662 | |
| 145. | jsakamoto () |
1661 | |
| 146. | zonuexe (USAMI Kenta) |
1657 | |
| 147. | dai-shi (Daishi Kato) |
1648 | |
| 148. | akatsuki105 (Akatsuki) |
1618 | |
| 149. | shyouhei (卜部昌平) |
1613 | |
| 150. | kyamagu (Kota Yamaguchi) |
1612 | |
| 151. | noborus (Noboru Saito) |
1579 | |
| 152. | ktoso (Konrad `ktoso` Malawski) |
1562 | |
| 153. | kazuho (Kazuho Oku) |
1562 | |
| 154. | pocke (Masataka Pocke Kuwabara) |
1542 | |
| 155. | kexi (Kei Nakayama) |
1538 | |
| 156. | Shougo (Shougo) |
1537 | |
| 157. | babarot (Masaki ISHIYAMA) |
1527 | |
| 158. | takahirom (Takahiro Menju) |
1527 | |
| 159. | trust-delta (trust-delta) |
1504 | |
| 160. | vraestoren (huok) |
1502 | |
| 161. | sorah (Sorah Fukumori) |
1451 | |
| 162. | mayocream (Mayo Takanashi) |
1430 | |
| 163. | syuilo (syuilo) |
1428 | |
| 164. | syohex (Shohei YOSHIDA) |
1428 | |
| 165. | deepak1556 (Robo) |
1421 | |
| 166. | domenic (Domenic Denicola) |
1411 | |
| 167. | rmackay9 (Randy Mackay) |
1394 | |
| 168. | rhysd (Linda_pp) |
1388 | |
| 169. | nwiizo (nwiizo) |
1388 | |
| 170. | waylandzhang (WAYLAND ZHANG) |
1382 | |
| 171. | masarakki (masarakki) |
1380 | |
| 172. | drasticactions (Tim Miller) |
1380 | |
| 173. | Comamoca (Comamoca) |
1372 | |
| 174. | neka-nat (k-tanaka) |
1366 | |
| 175. | lacolaco (Suguru Inatomi) |
1358 | |
| 176. | ryotarai (Ryota Arai) |
1349 | |
| 177. | repeatedly (Masahiro Nakagawa) |
1348 | |
| 178. | kaityo256 (Hiroshi Watanabe) |
1339 | |
| 179. | siketyan (Naoki Ikeguchi) |
1329 | |
| 180. | piroor (YUKI "Piro" Hiroshi) |
1328 | |
| 181. | nobuyuki83 (Nobuyuki Umetani) |
1314 | |
| 182. | yuuki (Yuuki TSUBOUCHI) |
1309 | |
| 183. | champierre (Junya Ishihara) |
1297 | |
| 184. | rigaya (rigaya) |
1296 | |
| 185. | soutaro (Soutaro Matsumoto) |
1288 | |
| 186. | tatsuyafujisaki (Tatsuya Fujisaki) |
1271 | |
| 187. | mpyw (mpyw) |
1266 | |
| 188. | neet (Ryō Igarashi (五十嵐 涼)) |
1266 | |
| 189. | udzura (Kondo Uchio) |
1265 | |
| 190. | eltociear (Ikko Eltociear Ashimine) |
1263 | |
| 191. | kazu-yamamoto (Kazu Yamamoto) |
1251 | |
| 192. | usualoma (Taku Amano) |
1243 | |
| 193. | knu (Akinori Musha) |
1233 | |
| 194. | miurla (Yoshiki Miura) |
1221 | |
| 195. | Avimitin (Jiongjia Lu) |
1220 | |
| 196. | davetang (Dave Tang) |
1218 | |
| 197. | uezo (uezo) |
1215 | |
| 198. | taichi-ishitani (Taichi Ishitani) |
1212 | |
| 199. | Saul-Mirone (Mirone) |
1201 | |
| 200. | anuraaga (Anuraag (Rag) Agrawal) |
1198 | |
| 201. | yowatanabe (Yoshiyuki Watanabe) |
1195 | |
| 202. | konn (Hiromi Ishii) |
1191 | |
| 203. | sugyan (Yoshihiro Sugi) |
1184 | |
| 204. | NicolasDorier (Nicolas Dorier) |
1174 | |
| 205. | hatoo () |
1172 | |
| 206. | c-bata (c-bata) |
1172 | |
| 207. | smorimoto (Sora Morimoto) |
1165 | |
| 208. | nwtgck (Ryo Ota) |
1160 | |
| 209. | taea (taea) |
1159 | |
| 210. | cosmo0920 (Hiroshi Hatake) |
1158 | |
| 211. | rinsuki (rinsuki) |
1158 | |
| 212. | RobertTLange (Robert Tjarko Lange) |
1147 | |
| 213. | icoxfog417 (Takahiro Kubo) |
1129 | |
| 214. | wadackel (tsuyoshi wada) |
1128 | |
| 215. | ryo8000 (Ryo Hasegawa) |
1122 | |
| 216. | kurone-kito (Kuroné Kito (黒音キト)) |
1116 | |
| 217. | willnet (Shinichi Maeshima) |
1104 | |
| 218. | breezewish (Wish) |
1100 | |
| 219. | machida (machida) |
1089 | |
| 220. | wasabeef (Daichi Furiya) |
1089 | |
| 221. | TimOliver (Tim Oliver) |
1089 | |
| 222. | nuskey8 (Yusuke Nakada) |
1083 | |
| 223. | toshimaru (Toshimaru) |
1078 | |
| 224. | muukii (Hiroshi Kimura) |
1074 | |
| 225. | kazunori279 (Kaz Sato) |
1069 | |
| 226. | msakai (Masahiro Sakai) |
1064 | |
| 227. | tokoik (Kohe Tokoi) |
1063 | |
| 228. | fukamachi (Eitaro Fukamachi) |
1056 | |
| 229. | momeemt (Mutsuha Asada) |
1053 | |
| 230. | dvcrn (David) |
1038 | |
| 231. | otiai10 (Hiromu OCHIAI) |
1032 | |
| 232. | p-chan (P-Chan) |
1028 | |
| 233. | takahashim (Masayoshi Takahashi) |
1027 | |
| 234. | zcbenz (Cheng) |
1025 | |
| 235. | p-x9 () |
1009 | |
| 236. | fa0311 (ふぁ) |
1005 | |
| 237. | kaguya0107 (kaguya107) |
1004 | |
| 238. | hashrock (hashrock) |
1001 | |
| 239. | aki-ph-chem (Aki) |
1000 | |
| 240. | termoshtt (Toshiki Teramura) |
998 | |
| 241. | izumin5210 (Masayuki Izumi) |
993 | |
| 242. | reindex-ot (Re*Index. (ot_inc)) |
992 | |
| 243. | ninoseki (Manabu Niseki) |
984 | |
| 244. | melpon (melpon) |
975 | |
| 245. | AungKaung1928 (Aung Kaung Myat) |
974 | |
| 246. | uzulla (uzulla / Junichi Ishida) |
974 | |
| 247. | kenjinote (kenji) |
955 | |
| 248. | Kamesuta (Kamesuta) |
953 | |
| 249. | hiroppy (Yuta Hiroto) |
942 | |
| 250. | iAJue (阿珏) |
941 | |
| 251. | fygar256 (Taisuke Maekawa) |
940 | |
| 252. | aliceinwire (Arisu Tachibana) |
936 | |
| 253. | nagadomi () |
930 | |
| 254. | hewigovens (Tao Xu) |
926 | |
| 255. | lepture (Hsiaoming Yang) |
918 | |
| 256. | qnighy (Masaki Hara) |
915 |
| Rank | Organization | Members |
|---|---|---|
| 1. | ruby | 9 |
| 2. | epicgames | 6 |
| 3. | vim-jp | 6 |
| 4. | asakusarb | 6 |
| 5. | ruby-no-kai | 5 |
| 6. | oss-gate | 5 |
| 7. | emacs-jp | 4 |
| 8. | scalajp | 4 |
| 9. | ranguba | 4 |
| 10. | web-platform-tests | 4 |