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 2026-05-07 08:55:45 +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 133147 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) |
37271 | |
| 2. | yuiseki (yuiseki) |
17362 | |
| 3. | mizchi (Kotaro Chikuba) |
14083 | |
| 4. | tokuhirom (Tokuhiro Matsuno) |
13988 | |
| 5. | MagicalTux (Mark Karpelès) |
10478 | |
| 6. | fumiya-kume (kuu(Fumiya Kume)) |
9726 | |
| 7. | j5ik2o (Junichi Kato) |
9623 | |
| 8. | unhappychoice (Yuji Ueki) |
9574 | |
| 9. | sile (Takeru Ohta) |
8644 | |
| 10. | xuwei-k (kenji yoshida) |
8197 | |
| 11. | manman4 (manman4) |
8149 | |
| 12. | yanorei32 (Ray Yano | あねてあ) |
7788 | |
| 13. | mizzy (Gosuke Miyashita) |
7768 | |
| 14. | houko (Evan) |
7701 | |
| 15. | ashryanbeats (Ash Ryan Arnwine) |
7469 | |
| 16. | sapphi-red (翠) |
7322 | |
| 17. | sue445 (Go Sueyoshi) |
7277 | |
| 18. | tekezo (Takayama Fumihiko) |
7266 | |
| 19. | taiki-e (Taiki Endo) |
7165 | |
| 20. | azu (azu) |
6974 | |
| 21. | ryota-murakami (Ryota Murakami) |
6822 | |
| 22. | shinh (Shinichiro Hamaji) |
6753 | |
| 23. | miyako (Keisuke Miyako) |
6716 | |
| 24. | harupy (Harutaka Kawamura) |
6536 | |
| 25. | k1LoW (Ken’ichiro Oyama) |
6476 | |
| 26. | suzuki-shunsuke (Shunsuke Suzuki) |
6325 | |
| 27. | koriym (Akihito Koriyama) |
6140 | |
| 28. | guitarrapc (Ikiru Yoshizaki) |
5849 | |
| 29. | yuki-kimoto (Yuki Kimoto) |
5701 | |
| 30. | shogo82148 (ICHINOSE Shogo) |
5579 | |
| 31. | hsbt (Hiroshi SHIBATA) |
5564 | |
| 32. | sxzz (Kevin Deng) |
5381 | |
| 33. | tkoyama010 (Tetsuo Koyama) |
5366 | |
| 34. | hakatashi (Koki Takahashi) |
5362 | |
| 35. | rsasaki0109 (rsasaki0109) |
5142 | |
| 36. | ianlewis (Ian Lewis) |
5071 | |
| 37. | hi-ogawa (Hiroshi Ogawa) |
4757 | |
| 38. | winebarrel (Genki Sugawara) |
4720 | |
| 39. | nateberkopec (Nate Berkopec) |
4712 | |
| 40. | kou (Sutou Kouhei) |
4622 | |
| 41. | AkihiroSuda (Akihiro Suda) |
4621 | |
| 42. | tk0miya (Takeshi KOMIYA) |
4418 | |
| 43. | europanite (europanite) |
4403 | |
| 44. | bobbens (Edgar Simo-Serra) |
4396 | |
| 45. | yasulab (Yohei Yasukawa) |
4338 | |
| 46. | YumNumm (Ryotaro Onoue) |
4233 | |
| 47. | lestrrat (lestrrat) |
4133 | |
| 48. | ykzts (Yamagishi Kazutoshi) |
4092 | |
| 49. | peppy (Dean Herbert) |
3846 | |
| 50. | EdamAme-x (EdamAmex) |
3724 | |
| 51. | toastkidjp (Toast kid) |
3708 | |
| 52. | mattn (mattn) |
3630 | |
| 53. | yamadashy (Kazuki Yamada) |
3624 | |
| 54. | terasakisatoshi (Satoshi Terasaki) |
3523 | |
| 55. | halogenandtoast (Matthew Mongeau) |
3433 | |
| 56. | fujiwara (FUJIWARA Shunichiro) |
3399 | |
| 57. | lhl (Leonard) |
3355 | |
| 58. | asukaminato0721 (Asuka Minato) |
3353 | |
| 59. | sorairolake (Shun Sakai) |
3331 | |
| 60. | gfx (FUJI Goro) |
3298 | |
| 61. | aviatesk (Shuhei Kadowaki) |
3284 | |
| 62. | yug1224 (Yuji Yamaguchi) |
3277 | |
| 63. | lambdalisue (Λlisue) |
3267 | |
| 64. | amatsuda (Akira Matsuda) |
3209 | |
| 65. | conao3 (Naoya Yamashita) |
3165 | |
| 66. | sevenc-nanashi (Nanashi.) |
3143 | |
| 67. | koxudaxi (Koudai Aono) |
3060 | |
| 68. | tatsuhiro-t (Tatsuhiro Tsujikawa) |
3050 | |
| 69. | making (Toshiaki Maki) |
3036 | |
| 70. | PINTO0309 (Katsuya Hyodo) |
2989 | |
| 71. | coliff (Christian Oliff) |
2906 | |
| 72. | dalance (Naoya Hatta) |
2903 | |
| 73. | mashharuki (Haruki Kondo) |
2876 | |
| 74. | sksat (sksat) |
2867 | |
| 75. | 1amageek (1amageek) |
2857 | |
| 76. | Hiroshiba (Hiroshiba) |
2846 | |
| 77. | yutkat (Yuta Katayama) |
2787 | |
| 78. | bmf-san (Kenta Takeuchi) |
2782 | |
| 79. | gkjohnson (Garrett Johnson) |
2779 | |
| 80. | keijiro (Keijiro Takahashi) |
2775 | |
| 81. | hajimehoshi (Hajime Hoshi) |
2759 | |
| 82. | haya14busa (haya14busa) |
2742 | |
| 83. | hoochanlon (123456) |
2734 | |
| 84. | whitphx (Yuichiro Tachibana (Tsuchiya)) |
2727 | |
| 85. | anatawa12 (anatawa12) |
2715 | |
| 86. | JohnTitor (Yuki Okushi) |
2679 | |
| 87. | matz (Yukihiro "Matz" Matsumoto) |
2673 | |
| 88. | ubugeeei (ubugeeei) |
2673 | |
| 89. | komagata (Masaki Komagata) |
2586 | |
| 90. | mumoshu (Yusuke Kuoka) |
2557 | |
| 91. | seratch (Kazuhiro Sera) |
2552 | |
| 92. | 1024jp (1024jp) |
2536 | |
| 93. | ursm (Keita Urashima) |
2522 | |
| 94. | sigma7863 (Sigma) |
2508 | |
| 95. | ko1 (Koichi Sasada) |
2497 | |
| 96. | shimbaco (Shimba, Koji) |
2441 | |
| 97. | kmizu (Kota Mizushima) |
2417 | |
| 98. | fujitatomoya (Tomoya Fujita) |
2411 | |
| 99. | miurahr (Hiroshi Miura) |
2382 | |
| 100. | yshrsmz (Yasuhiro SHIMIZU) |
2382 | |
| 101. | ksoichiro (Soichiro Kashima) |
2358 | |
| 102. | wkentaro (Kentaro Wada) |
2333 | |
| 103. | onevcat (Wei Wang) |
2326 | |
| 104. | nobu (Nobuyoshi Nakada) |
2290 | |
| 105. | kishikawakatsumi (Kishikawa Katsumi) |
2289 | |
| 106. | atsushieno (Atsushi Eno) |
2278 | |
| 107. | tmori (Takashi Mori) |
2263 | |
| 108. | Watson1978 (Shizuo Fujita) |
2188 | |
| 109. | mcgoon (van) |
2182 | |
| 110. | atztogo (Atsushi Togo) |
2173 | |
| 111. | cpojer (Christoph Nakazawa) |
2163 | |
| 112. | koic (Koichi ITO) |
2157 | |
| 113. | norbusan (Norbert Preining) |
2131 | |
| 114. | hakuturu583 (Masaya Kataoka) |
2124 | |
| 115. | akiomik (Akiomi KAMAKURA) |
2107 | |
| 116. | Saqoosha (Saqoosha) |
2078 | |
| 117. | Songmu (Masayuki Matsuki) |
2051 | |
| 118. | kitao (Takashi Kitao) |
2024 | |
| 119. | kazupon (kazuya kawaguchi) |
1997 | |
| 120. | leaysgur (Yuji Sugiura) |
1997 | |
| 121. | yutannihilation (Hiroaki Yutani) |
1988 | |
| 122. | yusukebe (Yusuke Wada) |
1931 | |
| 123. | cho45 (Satoh, Hiroh) |
1919 | |
| 124. | mosuka (Minoru OSUKA) |
1890 | |
| 125. | zonuexe (USAMI Kenta) |
1880 | |
| 126. | Jannchie (Jianqi Pan) |
1861 | |
| 127. | sideshowbarker () |
1855 | |
| 128. | ota-meshi (Yosuke Ota) |
1845 | |
| 129. | touyou (Fujii Yosuke) |
1842 | |
| 130. | taisukef (Taisuke Fukuno) |
1842 | |
| 131. | himkt (himkt) |
1841 | |
| 132. | john-rocky (Daisuke Majima) |
1806 | |
| 133. | hardfist (hardfist) |
1798 | |
| 134. | skanehira (skanehira) |
1787 | |
| 135. | zchee (Koichi Shiraishi) |
1781 | |
| 136. | smoogipoo (Dan Balasescu) |
1777 | |
| 137. | kt3k (Yoshiya Hinosawa) |
1757 | |
| 138. | luadebug (Saikari) |
1744 | |
| 139. | syoyo (Syoyo Fujita) |
1728 | |
| 140. | mopemope (Yutaka Matsubara) |
1719 | |
| 141. | koron (MURAOKA Taro) |
1694 | |
| 142. | privatenumber (Hiroki Osame) |
1684 | |
| 143. | dai-shi (Daishi Kato) |
1675 | |
| 144. | int128 (Hidetake Iwata) |
1674 | |
| 145. | kawasima (Yoshitaka Kawashima) |
1669 | |
| 146. | inokawa () |
1639 | |
| 147. | jsakamoto () |
1617 | |
| 148. | shyouhei (卜部昌平) |
1613 | |
| 149. | kyamagu (Kota Yamaguchi) |
1612 | |
| 150. | akatsuki105 (Akatsuki) |
1599 | |
| 151. | trust-delta (trust-delta) |
1588 | |
| 152. | noborus (Noboru Saito) |
1561 | |
| 153. | pocke (Masataka Pocke Kuwabara) |
1553 | |
| 154. | kazuho (Kazuho Oku) |
1539 | |
| 155. | kexi (Kei Nakayama) |
1538 | |
| 156. | Shougo (Shougo) |
1534 | |
| 157. | ktoso (Konrad `ktoso` Malawski) |
1530 | |
| 158. | babarot (Masaki ISHIYAMA) |
1529 | |
| 159. | vraestoren (huok) |
1502 | |
| 160. | takahirom (Takahiro Menju) |
1460 | |
| 161. | sorah (Sorah Fukumori) |
1445 | |
| 162. | deepak1556 (Robo) |
1436 | |
| 163. | syohex (Shohei YOSHIDA) |
1423 | |
| 164. | mayocream (Mayo Takanashi) |
1402 | |
| 165. | domenic (Domenic Denicola) |
1396 | |
| 166. | waylandzhang (WAYLAND ZHANG) |
1390 | |
| 167. | nwiizo (nwiizo) |
1384 | |
| 168. | rmackay9 (Randy Mackay) |
1384 | |
| 169. | drasticactions (Tim Miller) |
1378 | |
| 170. | lacolaco (Suguru Inatomi) |
1377 | |
| 171. | rhysd (Linda_pp) |
1375 | |
| 172. | masarakki (masarakki) |
1371 | |
| 173. | ryotarai (Ryota Arai) |
1349 | |
| 174. | repeatedly (Masahiro Nakagawa) |
1343 | |
| 175. | syuilo (syuilo) |
1324 | |
| 176. | neka-nat (k-tanaka) |
1313 | |
| 177. | yuuki (Yuuki TSUBOUCHI) |
1311 | |
| 178. | tatsuyafujisaki (Tatsuya Fujisaki) |
1304 | |
| 179. | kaityo256 (Hiroshi Watanabe) |
1300 | |
| 180. | siketyan (Naoki Ikeguchi) |
1293 | |
| 181. | konn (Hiromi Ishii) |
1292 | |
| 182. | piroor (YUKI "Piro" Hiroshi) |
1289 | |
| 183. | rigaya (rigaya) |
1280 | |
| 184. | soutaro (Soutaro Matsumoto) |
1278 | |
| 185. | Comamoca (Comamoca) |
1272 | |
| 186. | knu (Akinori Musha) |
1270 | |
| 187. | eltociear (Ikko Eltociear Ashimine) |
1270 | |
| 188. | mpyw (mpyw) |
1266 | |
| 189. | champierre (Junya Ishihara) |
1262 | |
| 190. | udzura (Kondo Uchio) |
1261 | |
| 191. | neet (Ryō Igarashi (五十嵐 涼)) |
1249 | |
| 192. | nobuyuki83 (Nobuyuki Umetani) |
1241 | |
| 193. | usualoma (Taku Amano) |
1238 | |
| 194. | tokoik (Kohe Tokoi) |
1227 | |
| 195. | kazu-yamamoto (Kazu Yamamoto) |
1218 | |
| 196. | Avimitin (Jiongjia Lu) |
1206 | |
| 197. | anuraaga (Anuraag (Rag) Agrawal) |
1202 | |
| 198. | wadackel (tsuyoshi wada) |
1201 | |
| 199. | uezo (uezo) |
1201 | |
| 200. | davetang (Dave Tang) |
1200 | |
| 201. | RobertTLange (Robert Tjarko Lange) |
1197 | |
| 202. | hatoo () |
1195 | |
| 203. | yowatanabe (Yoshiyuki Watanabe) |
1189 | |
| 204. | taichi-ishitani (Taichi Ishitani) |
1184 | |
| 205. | NicolasDorier (Nicolas Dorier) |
1184 | |
| 206. | miurla (Yoshiki Miura) |
1178 | |
| 207. | rinsuki (rinsuki) |
1177 | |
| 208. | c-bata (c-bata) |
1176 | |
| 209. | takahashim (Masayoshi Takahashi) |
1162 | |
| 210. | nwtgck (Ryo Ota) |
1160 | |
| 211. | taea (taea) |
1159 | |
| 212. | cosmo0920 (Hiroshi Hatake) |
1157 | |
| 213. | Saul-Mirone (Mirone) |
1147 | |
| 214. | sugyan (Yoshihiro Sugi) |
1144 | |
| 215. | smorimoto (Sora Morimoto) |
1142 | |
| 216. | TimOliver (Tim Oliver) |
1141 | |
| 217. | ryo8000 (Ryo Hasegawa) |
1120 | |
| 218. | kurone-kito (Kuroné Kito (黒音キト)) |
1115 | |
| 219. | icoxfog417 (Takahiro Kubo) |
1109 | |
| 220. | breezewish (Wish) |
1099 | |
| 221. | machida (machida) |
1094 | |
| 222. | willnet (Shinichi Maeshima) |
1088 | |
| 223. | muukii (Hiroshi Kimura) |
1084 | |
| 224. | wasabeef (Daichi Furiya) |
1077 | |
| 225. | kazunori279 (Kaz Sato) |
1070 | |
| 226. | shirakaba (Jamie Birch) |
1066 | |
| 227. | toshimaru (Toshimaru) |
1047 | |
| 228. | dvcrn (David) |
1038 | |
| 229. | otiai10 (Hiromu OCHIAI) |
1035 | |
| 230. | p-chan (P-Chan) |
1034 | |
| 231. | fukamachi (Eitaro Fukamachi) |
1030 | |
| 232. | momeemt (Mutsuha Asada) |
1030 | |
| 233. | nuskey8 (Yusuke Nakada) |
1021 | |
| 234. | hashrock (hashrock) |
1001 | |
| 235. | p-x9 () |
1000 | |
| 236. | aki-ph-chem (Aki) |
1000 | |
| 237. | izumin5210 (Masayuki Izumi) |
994 | |
| 238. | reindex-ot (Re*Index. (ot_inc)) |
992 | |
| 239. | termoshtt (Toshiki Teramura) |
992 | |
| 240. | zcbenz (Cheng) |
991 | |
| 241. | melpon (melpon) |
983 | |
| 242. | AungKaung1928 (Aung Kaung Myat) |
980 | |
| 243. | msakai (Masahiro Sakai) |
976 | |
| 244. | ninoseki (Manabu Niseki) |
975 | |
| 245. | kaguya0107 (kaguya107) |
974 | |
| 246. | 2bbb (2bit) |
956 | |
| 247. | iAJue (阿珏) |
950 | |
| 248. | kenjinote (kenji) |
949 | |
| 249. | fa0311 (ふぁ) |
942 | |
| 250. | Kamesuta (Kamesuta) |
942 | |
| 251. | aliceinwire (Arisu Tachibana) |
936 | |
| 252. | lepture (Hsiaoming Yang) |
934 | |
| 253. | hewigovens (Tao Xu) |
931 | |
| 254. | uzulla (uzulla / Junichi Ishida) |
931 | |
| 255. | hiroppy (Yuta Hiroto) |
924 | |
| 256. | wass08 (Wassim SAMAD) |
920 |
| Rank | Organization | Members |
|---|---|---|
| 1. | ruby | 9 |
| 2. | asakusarb | 6 |
| 3. | epicgames | 6 |
| 4. | vim-jp | 6 |
| 5. | ruby-no-kai | 5 |
| 6. | oss-gate | 5 |
| 7. | web-platform-tests | 4 |
| 8. | scalajp | 4 |
| 9. | vuejs | 4 |
| 10. | groonga | 4 |