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 2025-09-11 00:55:18 +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 124720 total users in the region and you need at least 203 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.eplus.dev/japan_public/USERNAME)
For organizations, you need to use a slightly different markup:
[](https://org-badge.eplus.dev/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) |
35371 | |
| 2. | suzuki-shunsuke (Shunsuke Suzuki) |
9480 | |
| 3. | manman4 (manman4🇯🇵) |
8477 | |
| 4. | azu (azu) |
6527 | |
| 5. | taiki-e (Taiki Endo) |
6479 | |
| 6. | guitarrapc (Ikiru Yoshizaki) |
6282 | |
| 7. | sile (Takeru Ohta) |
5944 | |
| 8. | kou (Sutou Kouhei) |
5782 | |
| 9. | bobbens (Edgar Simo-Serra) |
5533 | |
| 10. | xuwei-k (kenji yoshida) |
5392 | |
| 11. | peppy (Dean Herbert) |
5380 | |
| 12. | yuki-kimoto (Yuki Kimoto) |
5378 | |
| 13. | AkihiroSuda (Akihiro Suda) |
5164 | |
| 14. | yuiseki (yuiseki) |
5081 | |
| 15. | sapphi-red (翠) |
4903 | |
| 16. | harupy (Harutaka Kawamura) |
4665 | |
| 17. | yanorei32 (Ray Yano | あねてあ) |
4655 | |
| 18. | sue445 (Go Sueyoshi) |
4647 | |
| 19. | yuwata (Yu Watanabe) |
4315 | |
| 20. | hsbt (Hiroshi SHIBATA) |
4248 | |
| 21. | yasulab (Yohei Yasukawa) |
4241 | |
| 22. | koriym (Akihito Koriyama) |
4241 | |
| 23. | j5ik2o (Junichi Kato) |
4108 | |
| 24. | hakatashi (Koki Takahashi) |
4007 | |
| 25. | unhappychoice (Yuji Ueki) |
3970 | |
| 26. | tkoyama010 (Tetsuo Koyama) |
3935 | |
| 27. | shogo82148 (ICHINOSE Shogo) |
3908 | |
| 28. | ianlewis (Ian Lewis) |
3891 | |
| 29. | mcgoon (van) |
3876 | |
| 30. | hi-ogawa (Hiroshi Ogawa) |
3838 | |
| 31. | anatawa12 (anatawa12) |
3765 | |
| 32. | toastkidjp (Toast kid) |
3673 | |
| 33. | tk0miya (Takeshi KOMIYA) |
3427 | |
| 34. | YumNumm (Ryotaro Onoue) |
3401 | |
| 35. | whitphx (Yuichiro Tachibana (Tsuchiya)) |
3399 | |
| 36. | k1LoW (Ken’ichiro Oyama) |
3360 | |
| 37. | ryota-murakami (Ryota Murakami) |
3329 | |
| 38. | miyako (Keisuke Miyako) |
3328 | |
| 39. | tokuhirom (Tokuhiro Matsuno) |
3317 | |
| 40. | terasakisatoshi (Satoshi Terasaki) |
3004 | |
| 41. | winebarrel (Genki Sugawara) |
2976 | |
| 42. | koxudaxi (Koudai Aono) |
2970 | |
| 43. | kentaro (Kentaro Kuribayashi) |
2957 | |
| 44. | ursm (Keita Urashima) |
2948 | |
| 45. | takahirom (Takahiro Menju) |
2894 | |
| 46. | sorairolake (Shun Sakai) |
2859 | |
| 47. | tmori (Takashi Mori) |
2857 | |
| 48. | Him188 (Him188) |
2808 | |
| 49. | hajimehoshi (Hajime Hoshi) |
2696 | |
| 50. | tekezo (Takayama Fumihiko) |
2691 | |
| 51. | Hiroshiba (Hiroshiba) |
2640 | |
| 52. | kishikawakatsumi (Kishikawa Katsumi) |
2579 | |
| 53. | Saul-Mirone (Mirone) |
2552 | |
| 54. | making (Toshiaki Maki) |
2551 | |
| 55. | yutkat (Yuta Katayama) |
2511 | |
| 56. | sevenc-nanashi (Nanashi.) |
2464 | |
| 57. | fujitatomoya (Tomoya Fujita) |
2379 | |
| 58. | tatsuhiro-t (Tatsuhiro Tsujikawa) |
2367 | |
| 59. | kt3k (Yoshiya Hinosawa) |
2367 | |
| 60. | coliff (Christian Oliff) |
2356 | |
| 61. | yamadashy (Kazuki Yamada) |
2333 | |
| 62. | hakuturu583 (Masaya Kataoka) |
2258 | |
| 63. | haya14busa (haya14busa) |
2229 | |
| 64. | siketyan (Naoki Ikeguchi) |
2220 | |
| 65. | atztogo (Atsushi Togo) |
2212 | |
| 66. | yusukebe (Yusuke Wada) |
2153 | |
| 67. | koic (Koichi ITO) |
2139 | |
| 68. | smoogipoo (Dan Balasescu) |
2104 | |
| 69. | norbusan (Norbert Preining) |
2100 | |
| 70. | dai-shi (Daishi Kato) |
2072 | |
| 71. | ubugeeei (ubugeeei) |
2021 | |
| 72. | kateinoigakukun (Yuta Saito) |
2004 | |
| 73. | nobu (Nobuyoshi Nakada) |
1998 | |
| 74. | mizchi (Kotaro Chikuba) |
1994 | |
| 75. | fumiya-kume (kuu(Fumiya Kume)) |
1993 | |
| 76. | zcbenz (Cheng) |
1992 | |
| 77. | int128 (Hidetake Iwata) |
1979 | |
| 78. | kitao (Takashi Kitao) |
1965 | |
| 79. | gkjohnson (Garrett Johnson) |
1959 | |
| 80. | kazupon (kazuya kawaguchi) |
1950 | |
| 81. | ota-meshi (Yosuke Ota) |
1883 | |
| 82. | taisukef (Taisuke Fukuno) |
1869 | |
| 83. | yutannihilation (Hiroaki Yutani) |
1858 | |
| 84. | keijiro (Keijiro Takahashi) |
1842 | |
| 85. | dalance (Naoya Hatta) |
1830 | |
| 86. | smorimoto (Sora Morimoto) |
1820 | |
| 87. | halogenandtoast (Matthew Mongeau) |
1810 | |
| 88. | Jannchie (Jianqi Pan) |
1808 | |
| 89. | aviatesk (Shuhei Kadowaki) |
1786 | |
| 90. | soutaro (Soutaro Matsumoto) |
1783 | |
| 91. | miurahr (Hiroshi Miura) |
1769 | |
| 92. | nobuyuki83 (Nobuyuki Umetani) |
1739 | |
| 93. | Songmu (Masayuki Matsuki) |
1703 | |
| 94. | Shougo (Shougo) |
1703 | |
| 95. | fujiwara (FUJIWARA Shunichiro) |
1690 | |
| 96. | yshrsmz (Yasuhiro SHIMIZU) |
1678 | |
| 97. | komagata (Masaki Komagata) |
1665 | |
| 98. | asukaminato0721 (Asuka Minato) |
1629 | |
| 99. | rigaya (rigaya) |
1616 | |
| 100. | mayocream (Mayo Takanashi) |
1613 | |
| 101. | mashharuki (Haruki Kondo) |
1601 | |
| 102. | nuskey8 (Yusuke Nakada) |
1597 | |
| 103. | youtalk (Yutaka Kondo) |
1579 | |
| 104. | shimbaco (Shimba, Koji) |
1562 | |
| 105. | kazu-yamamoto (Kazu Yamamoto) |
1560 | |
| 106. | fa0311 (ふぁ) |
1532 | |
| 107. | cpojer (Christoph Nakazawa) |
1519 | |
| 108. | Avimitin (Jiongjia Lu) |
1509 | |
| 109. | domenic (Domenic Denicola) |
1488 | |
| 110. | champierre (Junya Ishihara) |
1482 | |
| 111. | noborus (Noboru Saito) |
1470 | |
| 112. | 1024jp (1024jp) |
1463 | |
| 113. | SunsetMkt (Sunset Mikoto) |
1448 | |
| 114. | fygar256 (Taisuke Maekawa) |
1407 | |
| 115. | momeemt (Mutsuha Asada) |
1405 | |
| 116. | fosskers (Colin Woodbury) |
1374 | |
| 117. | jsakamoto () |
1373 | |
| 118. | Watson1978 (Shizuo Fujita) |
1369 | |
| 119. | konn (Hiromi Ishii) |
1347 | |
| 120. | ktoso (Konrad `ktoso` Malawski) |
1332 | |
| 121. | hatoo () |
1315 | |
| 122. | katopz (Todsaporn Banjerdkit) |
1315 | |
| 123. | marttp (Thanaphoom Babparn) |
1296 | |
| 124. | Koras02 (kobiad_ros) |
1295 | |
| 125. | rhysd (Linda_pp) |
1291 | |
| 126. | sugyan (Yoshihiro Sugi) |
1289 | |
| 127. | tatsuyafujisaki (Tatsuya Fujisaki) |
1280 | |
| 128. | seratch (Kazuhiro Sera) |
1273 | |
| 129. | piroor (YUKI "Piro" Hiroshi) |
1264 | |
| 130. | atsushieno (Atsushi Eno) |
1259 | |
| 131. | PINTO0309 (Katsuya Hyodo) |
1244 | |
| 132. | msakai (Masahiro Sakai) |
1234 | |
| 133. | XiaomingX (Y11) |
1223 | |
| 134. | rmackay9 (Randy Mackay) |
1217 | |
| 135. | syohex (Shohei YOSHIDA) |
1215 | |
| 136. | NicolasDorier (Nicolas Dorier) |
1206 | |
| 137. | taichi-ishitani (Taichi Ishitani) |
1185 | |
| 138. | reindex-ot (Re*Index. (ot_inc)) |
1184 | |
| 139. | zchee (Koichi Shiraishi) |
1184 | |
| 140. | ninoseki (Manabu Niseki) |
1181 | |
| 141. | matz (Yukihiro "Matz" Matsumoto) |
1167 | |
| 142. | yowatanabe (Yoshiyuki Watanabe) |
1159 | |
| 143. | kurone-kito (Kuroné Kito (黒音キト)) |
1149 | |
| 144. | MagicalTux (Mark Karpelès) |
1137 | |
| 145. | takahashim (Masayoshi Takahashi) |
1121 | |
| 146. | pilcrowonpaper (pilcrow) |
1114 | |
| 147. | kaityo256 (Hiroshi Watanabe) |
1102 | |
| 148. | nopnop2002 () |
1091 | |
| 149. | lambdalisue (Λlisue) |
1086 | |
| 150. | inokawa () |
1085 | |
| 151. | rui314 (Rui Ueyama) |
1075 | |
| 152. | neuecc (Yoshifumi Kawai) |
1066 | |
| 153. | akinomyoga (Koichi Murase) |
1066 | |
| 154. | shogo4405 (shogo4405) |
1058 | |
| 155. | muukii (Hiroshi Kimura) |
1051 | |
| 156. | deepak1556 (Robo) |
1033 | |
| 157. | davetang (Dave Tang) |
1032 | |
| 158. | miyaichi (Yoshihiko Miyaichi) |
1027 | |
| 159. | qnighy (Masaki Hara) |
1008 | |
| 160. | sksat (sksat) |
1004 | |
| 161. | mattn (mattn) |
1001 | |
| 162. | termoshtt (Toshiki Teramura) |
1000 | |
| 163. | uezo (uezo) |
996 | |
| 164. | neka-nat (Shirokuma (k tanaka)) |
986 | |
| 165. | c-bata (c-bata) |
985 | |
| 166. | luadebug (Saikari) |
984 | |
| 167. | bluele (Jun Kimura) |
981 | |
| 168. | melpon (melpon) |
979 | |
| 169. | andrewmd5 (Andrew Sampson) |
978 | |
| 170. | EdamAme-x (EdamAmex) |
969 | |
| 171. | lhl (Leonard) |
966 | |
| 172. | mayuki (Mayuki Sawatari) |
960 | |
| 173. | sotayamashita (Sam Yamashita) |
958 | |
| 174. | neet (Ryō Igarashi (五十嵐 涼)) |
953 | |
| 175. | jmettraux (John Mettraux) |
950 | |
| 176. | privatenumber (Hiroki Osame) |
946 | |
| 177. | tsurugi3333 (Tsurugi) |
937 | |
| 178. | sideshowbarker () |
934 | |
| 179. | baku89 (Baku 麦) |
934 | |
| 180. | sorah (Sorah Fukumori) |
925 | |
| 181. | anuraaga (Anuraag (Rag) Agrawal) |
903 | |
| 182. | 1amageek (1amageek) |
884 | |
| 183. | GOROman (GOROman) |
882 | |
| 184. | ykzts (Yamagishi Kazutoshi) |
871 | |
| 185. | matanki-saito ((*`・∀・´*)) |
871 | |
| 186. | iAJue (阿珏) |
859 | |
| 187. | JohnTitor (Yuki Okushi) |
857 | |
| 188. | koron (MURAOKA Taro) |
853 | |
| 189. | wasabeef (Daichi Furiya) |
852 | |
| 190. | philwo (Philipp Wollermann) |
849 | |
| 191. | nuta (Seiya Nuta) |
848 | |
| 192. | at-wat (Atsushi Watanabe) |
846 | |
| 193. | sosukesuzuki (SUZUKI Sosuke) |
845 | |
| 194. | hrsh7th (hrsh7th) |
839 | |
| 195. | nicolas-raoul (Nicolas Raoul) |
835 | |
| 196. | cordx56 (Yuki Okamoto) |
834 | |
| 197. | mopemope (Yutaka Matsubara) |
827 | |
| 198. | babarot (Masaki ISHIYAMA) |
824 | |
| 199. | uzulla (uzulla / Junichi Ishida) |
817 | |
| 200. | dvcrn (David) |
808 | |
| 201. | cxxxr (cxxxr) |
808 | |
| 202. | hadashiA (hadashiA) |
807 | |
| 203. | bmf-san (Kenta Takeuchi) |
803 | |
| 204. | kazuho (Kazuho Oku) |
796 | |
| 205. | lepture (Hsiaoming Yang) |
794 | |
| 206. | Jxck (Jxck) |
793 | |
| 207. | masarakki (masarakki) |
789 | |
| 208. | mattatz (Masatatsu Nakamura) |
787 | |
| 209. | mosuka (Minoru OSUKA) |
786 | |
| 210. | martinheidegger (Martin Heidegger) |
771 | |
| 211. | nagadomi () |
769 | |
| 212. | mumoshu (Yusuke Kuoka) |
762 | |
| 213. | yhatt (Yuki Hattori) |
761 | |
| 214. | shirakaba (Jamie Birch) |
757 | |
| 215. | craftzdog (Takuya Matsuyama) |
755 | |
| 216. | dev-yakuza (DeKu) |
747 | |
| 217. | machida (machida) |
730 | |
| 218. | rinsuki (rinsuki) |
730 | |
| 219. | conao3 (Naoya Yamashita) |
726 | |
| 220. | ykob (Yoichi Kobayashi) |
724 | |
| 221. | kmizu (Kota Mizushima) |
721 | |
| 222. | miurla (Yoshiki Miura) |
703 | |
| 223. | skanehira (skanehira) |
697 | |
| 224. | lovyan03 (lovyan03) |
696 | |
| 225. | Cloudef (Jari Vetoniemi) |
691 | |
| 226. | SakiTakamachi (Saki Takamachi) |
687 | |
| 227. | saki4510t (saki) |
687 | |
| 228. | giginet (Kohki Miki) |
685 | |
| 229. | lestrrat (lestrrat) |
683 | |
| 230. | itchyny (itchyny) |
680 | |
| 231. | ryohey (ryohey) |
673 | |
| 232. | Quramy (Yosuke Kurami) |
672 | |
| 233. | amatsuda (Akira Matsuda) |
667 | |
| 234. | stomita (Shinichi Tomita) |
662 | |
| 235. | aliceinwire (Arisu Tachibana) |
659 | |
| 236. | yannklein (Yann Klein) |
658 | |
| 237. | mapconcierge (Taichi FURUHASHI) |
657 | |
| 238. | fumiyasac (Fumiya Sakai) |
657 | |
| 239. | zonuexe (USAMI Kenta) |
650 | |
| 240. | cbracken (Chris Bracken) |
649 | |
| 241. | lacolaco (Suguru Inatomi) |
647 | |
| 242. | knu (Akinori Musha) |
645 | |
| 243. | liquidz (Iizuka Masashi) |
643 | |
| 244. | mame (Yusuke Endoh) |
643 | |
| 245. | hiroppy (Yuta Hiroto) |
641 | |
| 246. | yude (Takehiro Ogura) |
638 | |
| 247. | willnet (Shinichi Maeshima) |
637 | |
| 248. | cosmo0920 (Hiroshi Hatake) |
636 | |
| 249. | pocke (Masataka Pocke Kuwabara) |
631 | |
| 250. | take-cheeze (Takeshi Watanabe) |
625 | |
| 251. | hoothin () |
617 | |
| 252. | koute (Koute) |
616 | |
| 253. | SoraSuegami (Sora Suegami) |
612 | |
| 254. | mariotaku (Mariotaku) |
611 | |
| 255. | tenntenn (Takuya Ueda) |
609 | |
| 256. | kadamwhite (K Adam White) |
608 |
| Rank | Organization | Members |
|---|---|---|
| 1. | ruby | 10 |
| 2. | vim-jp | 7 |
| 3. | reviewdog | 4 |
| 4. | oss-gate | 4 |
| 5. | ruby-no-kai | 4 |
| 6. | llvm | 4 |
| 7. | web-platform-tests | 4 |
| 8. | ranguba | 4 |
| 9. | emacs-jp | 4 |
| 10. | asakusarb | 4 |