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 2026-01-04 13:11:46 +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 129002 total users in the region and you need at least 211 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) |
36481 | |
| 2. | yuiseki (yuiseki) |
10783 | |
| 3. | manman4 (manman4) |
8274 | |
| 4. | guitarrapc (Ikiru Yoshizaki) |
6967 | |
| 5. | j5ik2o (Junichi Kato) |
6572 | |
| 6. | yanorei32 (Ray Yano | あねてあ) |
6397 | |
| 7. | sile (Takeru Ohta) |
6132 | |
| 8. | azu (azu) |
5750 | |
| 9. | mizchi (Kotaro Chikuba) |
5606 | |
| 10. | ashryanbeats (Ash Ryan Arnwine) |
5154 | |
| 11. | sue445 (Go Sueyoshi) |
5112 | |
| 12. | taiki-e (Taiki Endo) |
5097 | |
| 13. | bobbens (Edgar Simo-Serra) |
4961 | |
| 14. | miyako (Keisuke Miyako) |
4950 | |
| 15. | ryota-murakami (Ryota Murakami) |
4929 | |
| 16. | suzuki-shunsuke (Shunsuke Suzuki) |
4684 | |
| 17. | shinh (Shinichiro Hamaji) |
4617 | |
| 18. | yasulab (Yohei Yasukawa) |
4453 | |
| 19. | hakatashi (Koki Takahashi) |
4240 | |
| 20. | koriym (Akihito Koriyama) |
4186 | |
| 21. | yuki-kimoto (Yuki Kimoto) |
4164 | |
| 22. | tekezo (Takayama Fumihiko) |
4106 | |
| 23. | shogo82148 (ICHINOSE Shogo) |
3916 | |
| 24. | k1LoW (Ken’ichiro Oyama) |
3807 | |
| 25. | toastkidjp (Toast kid) |
3702 | |
| 26. | xuwei-k (kenji yoshida) |
3640 | |
| 27. | hsbt (Hiroshi SHIBATA) |
3595 | |
| 28. | unhappychoice (Yuji Ueki) |
3555 | |
| 29. | kentaro (Kentaro Kuribayashi) |
3105 | |
| 30. | ianlewis (Ian Lewis) |
3013 | |
| 31. | peppy (Dean Herbert) |
2843 | |
| 32. | whitphx (Yuichiro Tachibana (Tsuchiya)) |
2840 | |
| 33. | haya14busa (haya14busa) |
2765 | |
| 34. | mcgoon (van) |
2741 | |
| 35. | tokuhirom (Tokuhiro Matsuno) |
2643 | |
| 36. | making (Toshiaki Maki) |
2640 | |
| 37. | kou (Sutou Kouhei) |
2610 | |
| 38. | sapphi-red (翠) |
2582 | |
| 39. | harupy (Harutaka Kawamura) |
2511 | |
| 40. | hajimehoshi (Hajime Hoshi) |
2454 | |
| 41. | YumNumm (Ryotaro Onoue) |
2440 | |
| 42. | kishikawakatsumi (Kishikawa Katsumi) |
2377 | |
| 43. | yamadashy (Kazuki Yamada) |
2321 | |
| 44. | koxudaxi (Koudai Aono) |
2278 | |
| 45. | halogenandtoast (Matthew Mongeau) |
2219 | |
| 46. | AkihiroSuda (Akihiro Suda) |
2207 | |
| 47. | terasakisatoshi (Satoshi Terasaki) |
2199 | |
| 48. | yuwata (Yu Watanabe) |
2154 | |
| 49. | ursm (Keita Urashima) |
2140 | |
| 50. | winebarrel (Genki Sugawara) |
2125 | |
| 51. | PINTO0309 (Katsuya Hyodo) |
2106 | |
| 52. | anatawa12 (anatawa12) |
2080 | |
| 53. | hakuturu583 (Masaya Kataoka) |
2079 | |
| 54. | lambdalisue (Λlisue) |
2060 | |
| 55. | akatsuki105 (Akatsuki) |
2045 | |
| 56. | sorairolake (Shun Sakai) |
2035 | |
| 57. | keijiro (Keijiro Takahashi) |
1979 | |
| 58. | amatsuda (Akira Matsuda) |
1970 | |
| 59. | takahirom (Takahiro Menju) |
1963 | |
| 60. | fujiwara (FUJIWARA Shunichiro) |
1958 | |
| 61. | tmori (Takashi Mori) |
1913 | |
| 62. | tatsuhiro-t (Tatsuhiro Tsujikawa) |
1904 | |
| 63. | yshrsmz (Yasuhiro SHIMIZU) |
1896 | |
| 64. | sevenc-nanashi (Nanashi.) |
1895 | |
| 65. | yutkat (Yuta Katayama) |
1881 | |
| 66. | norbusan (Norbert Preining) |
1849 | |
| 67. | kazupon (kazuya kawaguchi) |
1845 | |
| 68. | hi-ogawa (Hiroshi Ogawa) |
1823 | |
| 69. | Hiroshiba (Hiroshiba) |
1796 | |
| 70. | coliff (Christian Oliff) |
1774 | |
| 71. | taisukef (Taisuke Fukuno) |
1749 | |
| 72. | mopemope (Yutaka Matsubara) |
1729 | |
| 73. | MagicalTux (Mark Karpelès) |
1724 | |
| 74. | Jannchie (Jianqi Pan) |
1700 | |
| 75. | syuilo (syuilo) |
1692 | |
| 76. | fumiya-kume (kuu(Fumiya Kume)) |
1684 | |
| 77. | mashharuki (Haruki Kondo) |
1677 | |
| 78. | gkjohnson (Garrett Johnson) |
1617 | |
| 79. | atztogo (Atsushi Togo) |
1604 | |
| 80. | Shougo (Shougo) |
1575 | |
| 81. | rigaya (rigaya) |
1558 | |
| 82. | dalance (Naoya Hatta) |
1552 | |
| 83. | aviatesk (Shuhei Kadowaki) |
1551 | |
| 84. | atsushieno (Atsushi Eno) |
1545 | |
| 85. | mayocream (Mayo Takanashi) |
1538 | |
| 86. | cpojer (Christoph Nakazawa) |
1527 | |
| 87. | mattn (mattn) |
1517 | |
| 88. | jsakamoto () |
1513 | |
| 89. | eltociear (Ikko Eltociear Ashimine) |
1511 | |
| 90. | matz (Yukihiro "Matz" Matsumoto) |
1502 | |
| 91. | koic (Koichi ITO) |
1471 | |
| 92. | nobu (Nobuyoshi Nakada) |
1468 | |
| 93. | 1024jp (1024jp) |
1465 | |
| 94. | miurahr (Hiroshi Miura) |
1436 | |
| 95. | nobuyuki83 (Nobuyuki Umetani) |
1399 | |
| 96. | zcbenz (Cheng) |
1350 | |
| 97. | hoochanlon (123456) |
1326 | |
| 98. | champierre (Junya Ishihara) |
1323 | |
| 99. | tkoyama010 (Tetsuo Koyama) |
1298 | |
| 100. | Him188 (Him188) |
1290 | |
| 101. | kitao (Takashi Kitao) |
1283 | |
| 102. | rhysd (Linda_pp) |
1276 | |
| 103. | zchee (Koichi Shiraishi) |
1250 | |
| 104. | usualoma (Taku Amano) |
1249 | |
| 105. | skanehira (skanehira) |
1232 | |
| 106. | inokawa () |
1213 | |
| 107. | smoogipoo (Dan Balasescu) |
1212 | |
| 108. | 1amageek (1amageek) |
1209 | |
| 109. | kaityo256 (Hiroshi Watanabe) |
1208 | |
| 110. | kazu-yamamoto (Kazu Yamamoto) |
1201 | |
| 111. | davetang (Dave Tang) |
1192 | |
| 112. | lepture (Hsiaoming Yang) |
1174 | |
| 113. | Saul-Mirone (Mirone) |
1170 | |
| 114. | fa0311 (ふぁ) |
1164 | |
| 115. | takahashim (Masayoshi Takahashi) |
1136 | |
| 116. | privatenumber (Hiroki Osame) |
1134 | |
| 117. | siketyan (Naoki Ikeguchi) |
1118 | |
| 118. | Songmu (Masayuki Matsuki) |
1105 | |
| 119. | tatsuyafujisaki (Tatsuya Fujisaki) |
1098 | |
| 120. | syohex (Shohei YOSHIDA) |
1095 | |
| 121. | conao3 (Naoya Yamashita) |
1090 | |
| 122. | ubugeeei (ubugeeei) |
1090 | |
| 123. | kateinoigakukun (Yuta Saito) |
1054 | |
| 124. | fosskers (Colin Woodbury) |
1048 | |
| 125. | koron (MURAOKA Taro) |
1047 | |
| 126. | lhl (Leonard) |
1046 | |
| 127. | momeemt (Mutsuha Asada) |
1045 | |
| 128. | uzulla (uzulla / Junichi Ishida) |
1042 | |
| 129. | qnighy (Masaki Hara) |
1042 | |
| 130. | nwiizo (nwiizo) |
1033 | |
| 131. | neuecc (Yoshifumi Kawai) |
1030 | |
| 132. | smorimoto (Sora Morimoto) |
1030 | |
| 133. | andrewmd5 (Andrew Sampson) |
1027 | |
| 134. | kt3k (Yoshiya Hinosawa) |
998 | |
| 135. | Koras02 (kobiad_ros) |
997 | |
| 136. | neka-nat (k-tanaka) |
989 | |
| 137. | ota-meshi (Yosuke Ota) |
985 | |
| 138. | int128 (Hidetake Iwata) |
974 | |
| 139. | sideshowbarker () |
972 | |
| 140. | noborus (Noboru Saito) |
951 | |
| 141. | komagata (Masaki Komagata) |
941 | |
| 142. | yutannihilation (Hiroaki Yutani) |
938 | |
| 143. | yusukebe (Yusuke Wada) |
933 | |
| 144. | soutaro (Soutaro Matsumoto) |
922 | |
| 145. | sorah (Sorah Fukumori) |
918 | |
| 146. | shimbaco (Shimba, Koji) |
905 | |
| 147. | AungKaung1928 (Aung Kaung Myat) |
903 | |
| 148. | taea (taea) |
902 | |
| 149. | masarakki (masarakki) |
902 | |
| 150. | nagadomi () |
901 | |
| 151. | nateberkopec (Nate Berkopec) |
897 | |
| 152. | sugyan (Yoshihiro Sugi) |
896 | |
| 153. | muukii (Hiroshi Kimura) |
895 | |
| 154. | JohnTitor (Yuki Okushi) |
895 | |
| 155. | matanki-saito ((*`・∀・´*)) |
893 | |
| 156. | dai-shi (Daishi Kato) |
893 | |
| 157. | babarot (Masaki ISHIYAMA) |
883 | |
| 158. | shogo4405 (shogo4405) |
877 | |
| 159. | fygar256 (Taisuke Maekawa) |
877 | |
| 160. | ksoichiro (Soichiro Kashima) |
867 | |
| 161. | sigma7863 (Sigma) |
859 | |
| 162. | rui314 (Rui Ueyama) |
857 | |
| 163. | dvcrn (David) |
857 | |
| 164. | iAJue (阿珏) |
856 | |
| 165. | nuskey8 (Yusuke Nakada) |
853 | |
| 166. | asukaminato0721 (Asuka Minato) |
846 | |
| 167. | philwo (Philipp Wollermann) |
841 | |
| 168. | melpon (melpon) |
829 | |
| 169. | vraestoren (huok) |
829 | |
| 170. | kyamagu (Kota Yamaguchi) |
819 | |
| 171. | mpyw (mpyw) |
816 | |
| 172. | msakai (Masahiro Sakai) |
810 | |
| 173. | wasabeef (Daichi Furiya) |
807 | |
| 174. | yowatanabe (Yoshiyuki Watanabe) |
807 | |
| 175. | pocke (Masataka Pocke Kuwabara) |
806 | |
| 176. | jmettraux (John Mettraux) |
802 | |
| 177. | aliceinwire (Arisu Tachibana) |
800 | |
| 178. | kmizu (Kota Mizushima) |
798 | |
| 179. | NicolasDorier (Nicolas Dorier) |
797 | |
| 180. | kurone-kito (Kuroné Kito (黒音キト)) |
795 | |
| 181. | piroor (YUKI "Piro" Hiroshi) |
785 | |
| 182. | martinheidegger (Martin Heidegger) |
783 | |
| 183. | neet (Ryō Igarashi (五十嵐 涼)) |
782 | |
| 184. | baku89 (Baku 麦) |
781 | |
| 185. | hatoo () |
780 | |
| 186. | wkentaro (Kentaro Wada) |
777 | |
| 187. | onevcat (Wei Wang) |
773 | |
| 188. | Kamesuta (Kamesuta) |
767 | |
| 189. | cho45 (Satoh, Hiroh) |
766 | |
| 190. | zonuexe (USAMI Kenta) |
759 | |
| 191. | rinsuki (rinsuki) |
753 | |
| 192. | s1204IT (Syuugo) |
753 | |
| 193. | fukamachi (Eitaro Fukamachi) |
750 | |
| 194. | ykob (Yoichi Kobayashi) |
743 | |
| 195. | XiaomingX (Y11) |
742 | |
| 196. | rikusato0 (Riku Sato) |
738 | |
| 197. | audreyfeldroy (Audrey M. Roy Greenfeld) |
735 | |
| 198. | domenic (Domenic Denicola) |
724 | |
| 199. | mayuki (Mayuki Sawatari) |
724 | |
| 200. | saki4510t (saki) |
719 | |
| 201. | AchrafReyani (Achraf) |
714 | |
| 202. | lovyan03 (lovyan03) |
707 | |
| 203. | Watson1978 (Shizuo Fujita) |
706 | |
| 204. | cxxxr (cxxxr) |
705 | |
| 205. | shirakaba (Jamie Birch) |
699 | |
| 206. | uezo (uezo) |
698 | |
| 207. | tanaikech (Kanshi TANAIKE) |
693 | |
| 208. | konn (Hiromi Ishii) |
686 | |
| 209. | c-bata (c-bata) |
685 | |
| 210. | szkkng (Kengo) |
684 | |
| 211. | hrsh7th (hrsh7th) |
681 | |
| 212. | Saqoosha (Saqoosha) |
676 | |
| 213. | mosuka (Minoru OSUKA) |
674 | |
| 214. | udzura (Kondo Uchio) |
661 | |
| 215. | taichi-ishitani (Taichi Ishitani) |
650 | |
| 216. | bmf-san (Kenta Takeuchi) |
640 | |
| 217. | youtalk (Yutaka Kondo) |
638 | |
| 218. | hadashiA (hadashiA) |
627 | |
| 219. | hiroppy (Yuta Hiroto) |
626 | |
| 220. | kazuho (Kazuho Oku) |
624 | |
| 221. | seratch (Kazuhiro Sera) |
612 | |
| 222. | nuta (Seiya Nuta) |
610 | |
| 223. | xfoxfu (Yuze Fu) |
607 | |
| 224. | machida (machida) |
604 | |
| 225. | Reputeless (Ryo Suzuki) |
602 | |
| 226. | reindex-ot (Re*Index. (ot_inc)) |
600 | |
| 227. | luadebug (Saikari) |
596 | |
| 228. | ryohey (ryohey) |
596 | |
| 229. | hashrock (hashrock) |
596 | |
| 230. | mumoshu (Yusuke Kuoka) |
594 | |
| 231. | watilde (Daijiro Wachi) |
586 | |
| 232. | GOROman (GOROman) |
586 | |
| 233. | fumiyasac (Fumiya Sakai) |
583 | |
| 234. | planetchili (chili) |
583 | |
| 235. | dev-yakuza (DeKu) |
577 | |
| 236. | ninoseki (Manabu Niseki) |
572 | |
| 237. | Cloudef (Jari Vetoniemi) |
569 | |
| 238. | akinomyoga (Koichi Murase) |
569 | |
| 239. | the0cp (Theodore Cooper) |
565 | |
| 240. | mistery220 (Kanotsu) |
564 | |
| 241. | icoxfog417 (Takahiro Kubo) |
562 | |
| 242. | rmackay9 (Randy Mackay) |
558 | |
| 243. | cordx56 (Yuki Okamoto) |
557 | |
| 244. | lacolaco (Suguru Inatomi) |
557 | |
| 245. | willnet (Shinichi Maeshima) |
556 | |
| 246. | mapconcierge (Taichi FURUHASHI) |
555 | |
| 247. | repeatedly (Masahiro Nakagawa) |
554 | |
| 248. | giginet (Kohki Miki) |
551 | |
| 249. | yug1224 (Yuji Yamaguchi) |
545 | |
| 250. | Makio64 (Makio64) |
542 | |
| 251. | ngs (Atsushi NAGASE) |
542 | |
| 252. | yuuki (Yuuki TSUBOUCHI) |
541 | |
| 253. | otiai10 (Hiromu OCHIAI) |
535 | |
| 254. | hoothin () |
534 | |
| 255. | ikwzm (KAWAZOME Ichiro) |
529 | |
| 256. | mattatz (Masatatsu Nakamura) |
528 |
| Rank | Organization | Members |
|---|---|---|
| 1. | ruby | 8 |
| 2. | vim-jp | 6 |
| 3. | oss-gate | 5 |
| 4. | llvm | 4 |
| 5. | ukigumo | 4 |
| 6. | ruby-no-kai | 4 |
| 7. | emacs-jp | 4 |
| 8. | groonga | 4 |
| 9. | cpprefjp | 4 |
| 10. | web-platform-tests | 4 |