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 2026-02-28 12:00:40 +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 131417 total users in the region and you need at least 215 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/USERNAME)
For organizations, you need to use a slightly different markup:
[](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) |
35912 | |
| 2. | yuiseki (yuiseki) |
13782 | |
| 3. | mizchi (Kotaro Chikuba) |
8749 | |
| 4. | manman4 (manman4) |
8327 | |
| 5. | sile (Takeru Ohta) |
7834 | |
| 6. | yanorei32 (Ray Yano | あねてあ) |
7558 | |
| 7. | j5ik2o (Junichi Kato) |
7342 | |
| 8. | tokuhirom (Tokuhiro Matsuno) |
7339 | |
| 9. | guitarrapc (Ikiru Yoshizaki) |
7232 | |
| 10. | ashryanbeats (Ash Ryan Arnwine) |
6320 | |
| 11. | azu (azu) |
5981 | |
| 12. | miyako (Keisuke Miyako) |
5855 | |
| 13. | ryota-murakami (Ryota Murakami) |
5637 | |
| 14. | sue445 (Go Sueyoshi) |
5456 | |
| 15. | bobbens (Edgar Simo-Serra) |
4884 | |
| 16. | yuki-kimoto (Yuki Kimoto) |
4818 | |
| 17. | koriym (Akihito Koriyama) |
4792 | |
| 18. | taiki-e (Taiki Endo) |
4691 | |
| 19. | tekezo (Takayama Fumihiko) |
4657 | |
| 20. | shinh (Shinichiro Hamaji) |
4622 | |
| 21. | suzuki-shunsuke (Shunsuke Suzuki) |
4549 | |
| 22. | hakatashi (Koki Takahashi) |
4399 | |
| 23. | k1LoW (Ken’ichiro Oyama) |
4194 | |
| 24. | yasulab (Yohei Yasukawa) |
4141 | |
| 25. | shogo82148 (ICHINOSE Shogo) |
4083 | |
| 26. | unhappychoice (Yuji Ueki) |
4041 | |
| 27. | xuwei-k (kenji yoshida) |
3940 | |
| 28. | toastkidjp (Toast kid) |
3719 | |
| 29. | hsbt (Hiroshi SHIBATA) |
3694 | |
| 30. | halogenandtoast (Matthew Mongeau) |
3359 | |
| 31. | EdamAme-x (EdamAmex) |
3125 | |
| 32. | ianlewis (Ian Lewis) |
3104 | |
| 33. | making (Toshiaki Maki) |
2957 | |
| 34. | amatsuda (Akira Matsuda) |
2950 | |
| 35. | harupy (Harutaka Kawamura) |
2923 | |
| 36. | sapphi-red (翠) |
2781 | |
| 37. | haya14busa (haya14busa) |
2726 | |
| 38. | lambdalisue (Λlisue) |
2632 | |
| 39. | terasakisatoshi (Satoshi Terasaki) |
2566 | |
| 40. | hajimehoshi (Hajime Hoshi) |
2511 | |
| 41. | peppy (Dean Herbert) |
2412 | |
| 42. | fumiya-kume (kuu(Fumiya Kume)) |
2397 | |
| 43. | mattn (mattn) |
2388 | |
| 44. | winebarrel (Genki Sugawara) |
2373 | |
| 45. | whitphx (Yuichiro Tachibana (Tsuchiya)) |
2366 | |
| 46. | PINTO0309 (Katsuya Hyodo) |
2365 | |
| 47. | hakuturu583 (Masaya Kataoka) |
2343 | |
| 48. | mcgoon (van) |
2307 | |
| 49. | YumNumm (Ryotaro Onoue) |
2303 | |
| 50. | kou (Sutou Kouhei) |
2233 | |
| 51. | yamadashy (Kazuki Yamada) |
2191 | |
| 52. | MagicalTux (Mark Karpelès) |
2187 | |
| 53. | sevenc-nanashi (Nanashi.) |
2177 | |
| 54. | AkihiroSuda (Akihiro Suda) |
2150 | |
| 55. | mashharuki (Haruki Kondo) |
2136 | |
| 56. | sorairolake (Shun Sakai) |
2135 | |
| 57. | fujiwara (FUJIWARA Shunichiro) |
2117 | |
| 58. | anatawa12 (anatawa12) |
2089 | |
| 59. | yuwata (Yu Watanabe) |
2047 | |
| 60. | koxudaxi (Koudai Aono) |
2042 | |
| 61. | hoochanlon (123456) |
2023 | |
| 62. | aviatesk (Shuhei Kadowaki) |
2013 | |
| 63. | hi-ogawa (Hiroshi Ogawa) |
2012 | |
| 64. | akatsuki105 (Akatsuki) |
2004 | |
| 65. | gkjohnson (Garrett Johnson) |
2002 | |
| 66. | atsushieno (Atsushi Eno) |
1979 | |
| 67. | tmori (Takashi Mori) |
1973 | |
| 68. | keijiro (Keijiro Takahashi) |
1967 | |
| 69. | ursm (Keita Urashima) |
1927 | |
| 70. | yutkat (Yuta Katayama) |
1912 | |
| 71. | yshrsmz (Yasuhiro SHIMIZU) |
1909 | |
| 72. | Hiroshiba (Hiroshiba) |
1894 | |
| 73. | mopemope (Yutaka Matsubara) |
1862 | |
| 74. | tatsuhiro-t (Tatsuhiro Tsujikawa) |
1829 | |
| 75. | coliff (Christian Oliff) |
1818 | |
| 76. | conao3 (Naoya Yamashita) |
1797 | |
| 77. | kazupon (kazuya kawaguchi) |
1792 | |
| 78. | 1amageek (1amageek) |
1784 | |
| 79. | 1024jp (1024jp) |
1777 | |
| 80. | Jannchie (Jianqi Pan) |
1763 | |
| 81. | norbusan (Norbert Preining) |
1749 | |
| 82. | taisukef (Taisuke Fukuno) |
1747 | |
| 83. | cpojer (Christoph Nakazawa) |
1705 | |
| 84. | kishikawakatsumi (Kishikawa Katsumi) |
1650 | |
| 85. | matz (Yukihiro "Matz" Matsumoto) |
1647 | |
| 86. | syuilo (syuilo) |
1633 | |
| 87. | miurahr (Hiroshi Miura) |
1633 | |
| 88. | dalance (Naoya Hatta) |
1608 | |
| 89. | mayocream (Mayo Takanashi) |
1555 | |
| 90. | ksoichiro (Soichiro Kashima) |
1542 | |
| 91. | tkoyama010 (Tetsuo Koyama) |
1515 | |
| 92. | skanehira (skanehira) |
1508 | |
| 93. | jsakamoto () |
1479 | |
| 94. | tatsuyafujisaki (Tatsuya Fujisaki) |
1477 | |
| 95. | atztogo (Atsushi Togo) |
1462 | |
| 96. | takahirom (Takahiro Menju) |
1454 | |
| 97. | nobu (Nobuyoshi Nakada) |
1449 | |
| 98. | nateberkopec (Nate Berkopec) |
1446 | |
| 99. | Shougo (Shougo) |
1422 | |
| 100. | lhl (Leonard) |
1415 | |
| 101. | rigaya (rigaya) |
1407 | |
| 102. | mumoshu (Yusuke Kuoka) |
1346 | |
| 103. | Songmu (Masayuki Matsuki) |
1315 | |
| 104. | koic (Koichi ITO) |
1314 | |
| 105. | kaityo256 (Hiroshi Watanabe) |
1305 | |
| 106. | yutannihilation (Hiroaki Yutani) |
1304 | |
| 107. | davetang (Dave Tang) |
1296 | |
| 108. | sideshowbarker () |
1294 | |
| 109. | nobuyuki83 (Nobuyuki Umetani) |
1288 | |
| 110. | cho45 (Satoh, Hiroh) |
1283 | |
| 111. | ubugeeei (ubugeeei) |
1283 | |
| 112. | kmizu (Kota Mizushima) |
1272 | |
| 113. | rhysd (Linda_pp) |
1272 | |
| 114. | gfx (FUJI Goro) |
1264 | |
| 115. | kateinoigakukun (Yuta Saito) |
1253 | |
| 116. | privatenumber (Hiroki Osame) |
1246 | |
| 117. | zchee (Koichi Shiraishi) |
1240 | |
| 118. | shimbaco (Shimba, Koji) |
1238 | |
| 119. | inokawa () |
1231 | |
| 120. | onevcat (Wei Wang) |
1229 | |
| 121. | koron (MURAOKA Taro) |
1202 | |
| 122. | eltociear (Ikko Eltociear Ashimine) |
1201 | |
| 123. | JohnTitor (Yuki Okushi) |
1198 | |
| 124. | nwiizo (nwiizo) |
1194 | |
| 125. | Saqoosha (Saqoosha) |
1169 | |
| 126. | zcbenz (Cheng) |
1147 | |
| 127. | komagata (Masaki Komagata) |
1147 | |
| 128. | usualoma (Taku Amano) |
1134 | |
| 129. | neka-nat (k-tanaka) |
1131 | |
| 130. | syohex (Shohei YOSHIDA) |
1131 | |
| 131. | smoogipoo (Dan Balasescu) |
1121 | |
| 132. | ota-meshi (Yosuke Ota) |
1109 | |
| 133. | vraestoren (huok) |
1082 | |
| 134. | lestrrat (lestrrat) |
1067 | |
| 135. | momeemt (Mutsuha Asada) |
1065 | |
| 136. | luadebug (Saikari) |
1049 | |
| 137. | uzulla (uzulla / Junichi Ishida) |
1048 | |
| 138. | kazu-yamamoto (Kazu Yamamoto) |
1044 | |
| 139. | masarakki (masarakki) |
1039 | |
| 140. | mizzy (Gosuke Miyashita) |
1034 | |
| 141. | sorah (Sorah Fukumori) |
1034 | |
| 142. | wkentaro (Kentaro Wada) |
1025 | |
| 143. | ykzts (Yamagishi Kazutoshi) |
998 | |
| 144. | Saul-Mirone (Mirone) |
994 | |
| 145. | fa0311 (ふぁ) |
987 | |
| 146. | mpyw (mpyw) |
979 | |
| 147. | neuecc (Yoshifumi Kawai) |
973 | |
| 148. | kitao (Takashi Kitao) |
972 | |
| 149. | miurla (Yoshiki Miura) |
972 | |
| 150. | siketyan (Naoki Ikeguchi) |
971 | |
| 151. | sigma7863 (Sigma) |
966 | |
| 152. | noborus (Noboru Saito) |
963 | |
| 153. | Him188 (Him188) |
958 | |
| 154. | pocke (Masataka Pocke Kuwabara) |
958 | |
| 155. | fygar256 (Taisuke Maekawa) |
940 | |
| 156. | kyamagu (Kota Yamaguchi) |
934 | |
| 157. | walf443 (Keiji, Yoshimi) |
926 | |
| 158. | msakai (Masahiro Sakai) |
926 | |
| 159. | soutaro (Soutaro Matsumoto) |
921 | |
| 160. | nagadomi () |
919 | |
| 161. | qnighy (Masaki Hara) |
915 | |
| 162. | smorimoto (Sora Morimoto) |
914 | |
| 163. | lepture (Hsiaoming Yang) |
914 | |
| 164. | yusukebe (Yusuke Wada) |
912 | |
| 165. | AungKaung1928 (Aung Kaung Myat) |
912 | |
| 166. | sksat (sksat) |
902 | |
| 167. | kt3k (Yoshiya Hinosawa) |
899 | |
| 168. | dvcrn (David) |
890 | |
| 169. | sugyan (Yoshihiro Sugi) |
889 | |
| 170. | otiai10 (Hiromu OCHIAI) |
887 | |
| 171. | Kamesuta (Kamesuta) |
887 | |
| 172. | seratch (Kazuhiro Sera) |
884 | |
| 173. | int128 (Hidetake Iwata) |
868 | |
| 174. | mosuka (Minoru OSUKA) |
867 | |
| 175. | zonuexe (USAMI Kenta) |
867 | |
| 176. | konn (Hiromi Ishii) |
857 | |
| 177. | piroor (YUKI "Piro" Hiroshi) |
856 | |
| 178. | icoxfog417 (Takahiro Kubo) |
850 | |
| 179. | philwo (Philipp Wollermann) |
846 | |
| 180. | dai-shi (Daishi Kato) |
846 | |
| 181. | udzura (Kondo Uchio) |
843 | |
| 182. | takahashim (Masayoshi Takahashi) |
842 | |
| 183. | asukaminato0721 (Asuka Minato) |
833 | |
| 184. | Koras02 (kobiad_ros) |
833 | |
| 185. | iAJue (阿珏) |
831 | |
| 186. | matanki-saito ((*`・∀・´*)) |
830 | |
| 187. | shogo4405 (shogo4405) |
830 | |
| 188. | aliceinwire (Arisu Tachibana) |
818 | |
| 189. | fosskers (Colin Woodbury) |
815 | |
| 190. | NicolasDorier (Nicolas Dorier) |
814 | |
| 191. | yowatanabe (Yoshiyuki Watanabe) |
813 | |
| 192. | nuskey8 (Yusuke Nakada) |
812 | |
| 193. | wasabeef (Daichi Furiya) |
810 | |
| 194. | hatoo () |
808 | |
| 195. | rinsuki (rinsuki) |
806 | |
| 196. | AchrafReyani (Achraf) |
799 | |
| 197. | domenic (Domenic Denicola) |
792 | |
| 198. | muukii (Hiroshi Kimura) |
792 | |
| 199. | melpon (melpon) |
786 | |
| 200. | martinheidegger (Martin Heidegger) |
781 | |
| 201. | ykob (Yoichi Kobayashi) |
779 | |
| 202. | tanaikech (Kanshi TANAIKE) |
777 | |
| 203. | wass08 (Wassim SAMAD) |
772 | |
| 204. | nuta (Seiya Nuta) |
770 | |
| 205. | fukamachi (Eitaro Fukamachi) |
759 | |
| 206. | XiaomingX (Y11) |
758 | |
| 207. | uezo (uezo) |
753 | |
| 208. | nwtgck (Ryo Ota) |
740 | |
| 209. | repeatedly (Masahiro Nakagawa) |
733 | |
| 210. | hadashiA (hadashiA) |
732 | |
| 211. | Watson1978 (Shizuo Fujita) |
729 | |
| 212. | willnet (Shinichi Maeshima) |
723 | |
| 213. | planetchili (chili) |
722 | |
| 214. | shyouhei (卜部昌平) |
719 | |
| 215. | baku89 (Baku Hashimoto) |
717 | |
| 216. | machida (machida) |
715 | |
| 217. | kurone-kito (Kuroné Kito (黒音キト)) |
711 | |
| 218. | cxxxr (cxxxr) |
709 | |
| 219. | kazuho (Kazuho Oku) |
707 | |
| 220. | xfoxfu (Yuze Fu) |
706 | |
| 221. | kentaro (Kentaro Kuribayashi) |
687 | |
| 222. | kazunori279 (Kaz Sato) |
678 | |
| 223. | hashrock (hashrock) |
676 | |
| 224. | s1204IT (Syuugo) |
666 | |
| 225. | c-bata (c-bata) |
665 | |
| 226. | uhyo (uhyo) |
660 | |
| 227. | jmettraux (John Mettraux) |
660 | |
| 228. | lacolaco (Suguru Inatomi) |
659 | |
| 229. | lovyan03 (lovyan03) |
649 | |
| 230. | knu (Akinori Musha) |
641 | |
| 231. | ryohey (ryohey) |
629 | |
| 232. | biohack5079 (sagbi) |
628 | |
| 233. | andrewmd5 (Andrew Sampson) |
624 | |
| 234. | kenjinote (kenji) |
621 | |
| 235. | masui (Toshiyuki Masui) |
618 | |
| 236. | ngs (Atsushi NAGASE) |
618 | |
| 237. | shirakaba (Jamie Birch) |
613 | |
| 238. | yuuki (Yuuki TSUBOUCHI) |
611 | |
| 239. | ninoseki (Manabu Niseki) |
610 | |
| 240. | hoothin () |
608 | |
| 241. | nakasyou (Shotaro Nakamura) |
603 | |
| 242. | reindex-ot (Re*Index. (ot_inc)) |
603 | |
| 243. | mayuki (Mayuki Sawatari) |
600 | |
| 244. | cordx56 (Yuki Okamoto) |
599 | |
| 245. | rmackay9 (Randy Mackay) |
598 | |
| 246. | watilde (Daijiro Wachi) |
593 | |
| 247. | daitomanabe (Daito Manabe) |
590 | |
| 248. | SachaG (Sacha Greif) |
588 | |
| 249. | taichi-ishitani (Taichi Ishitani) |
587 | |
| 250. | wadackel (tsuyoshi wada) |
586 | |
| 251. | youtalk (Yutaka Kondo) |
584 | |
| 252. | ikwzm (KAWAZOME Ichiro) |
580 | |
| 253. | hiroppy (Yuta Hiroto) |
578 | |
| 254. | rikusato0 (Riku Sato) |
566 | |
| 255. | rui314 (Rui Ueyama) |
559 | |
| 256. | akinomyoga (Koichi Murase) |
555 |
| Rank | Organization | Members |
|---|---|---|
| 1. | ruby | 10 |
| 2. | vim-jp | 6 |
| 3. | oss-gate | 5 |
| 4. | perl-users-jp | 5 |
| 5. | ruby-no-kai | 5 |
| 6. | asakusarb | 5 |
| 7. | emacs-jp | 4 |
| 8. | blosxom-fanatics | 4 |
| 9. | reviewdog | 4 |
| 10. | llvm | 4 |