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 2026-03-15 17:11:11 +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 132186 total users in the region and you need at least 218 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) |
35873 | |
| 2. | yuiseki (yuiseki) |
14950 | |
| 3. | mizchi (Kotaro Chikuba) |
9855 | |
| 4. | tokuhirom (Tokuhiro Matsuno) |
8635 | |
| 5. | manman4 (manman4) |
8235 | |
| 6. | sile (Takeru Ohta) |
8079 | |
| 7. | j5ik2o (Junichi Kato) |
7798 | |
| 8. | yanorei32 (Ray Yano | あねてあ) |
7694 | |
| 9. | guitarrapc (Ikiru Yoshizaki) |
7498 | |
| 10. | ashryanbeats (Ash Ryan Arnwine) |
6632 | |
| 11. | miyako (Keisuke Miyako) |
6362 | |
| 12. | azu (azu) |
6119 | |
| 13. | ryota-murakami (Ryota Murakami) |
5695 | |
| 14. | sue445 (Go Sueyoshi) |
5437 | |
| 15. | sxzz (Kevin Deng) |
5345 | |
| 16. | tekezo (Takayama Fumihiko) |
5175 | |
| 17. | yuki-kimoto (Yuki Kimoto) |
5153 | |
| 18. | taiki-e (Taiki Endo) |
4867 | |
| 19. | koriym (Akihito Koriyama) |
4830 | |
| 20. | bobbens (Edgar Simo-Serra) |
4807 | |
| 21. | shinh (Shinichiro Hamaji) |
4622 | |
| 22. | k1LoW (Ken’ichiro Oyama) |
4584 | |
| 23. | hakatashi (Koki Takahashi) |
4521 | |
| 24. | suzuki-shunsuke (Shunsuke Suzuki) |
4495 | |
| 25. | shogo82148 (ICHINOSE Shogo) |
4430 | |
| 26. | yasulab (Yohei Yasukawa) |
4201 | |
| 27. | unhappychoice (Yuji Ueki) |
4129 | |
| 28. | xuwei-k (kenji yoshida) |
4038 | |
| 29. | hsbt (Hiroshi SHIBATA) |
3974 | |
| 30. | toastkidjp (Toast kid) |
3729 | |
| 31. | fumiya-kume (kuu(Fumiya Kume)) |
3608 | |
| 32. | halogenandtoast (Matthew Mongeau) |
3362 | |
| 33. | yug1224 (Yuji Yamaguchi) |
3230 | |
| 34. | EdamAme-x (EdamAmex) |
3206 | |
| 35. | making (Toshiaki Maki) |
3112 | |
| 36. | ianlewis (Ian Lewis) |
3075 | |
| 37. | harupy (Harutaka Kawamura) |
3030 | |
| 38. | amatsuda (Akira Matsuda) |
2938 | |
| 39. | sapphi-red (翠) |
2790 | |
| 40. | haya14busa (haya14busa) |
2726 | |
| 41. | lambdalisue (Λlisue) |
2646 | |
| 42. | MagicalTux (Mark Karpelès) |
2604 | |
| 43. | hajimehoshi (Hajime Hoshi) |
2560 | |
| 44. | mattn (mattn) |
2550 | |
| 45. | PINTO0309 (Katsuya Hyodo) |
2507 | |
| 46. | terasakisatoshi (Satoshi Terasaki) |
2504 | |
| 47. | winebarrel (Genki Sugawara) |
2399 | |
| 48. | sevenc-nanashi (Nanashi.) |
2386 | |
| 49. | peppy (Dean Herbert) |
2385 | |
| 50. | hoochanlon (123456) |
2378 | |
| 51. | YumNumm (Ryotaro Onoue) |
2326 | |
| 52. | fujiwara (FUJIWARA Shunichiro) |
2324 | |
| 53. | hakuturu583 (Masaya Kataoka) |
2258 | |
| 54. | mashharuki (Haruki Kondo) |
2248 | |
| 55. | yamadashy (Kazuki Yamada) |
2247 | |
| 56. | mcgoon (van) |
2227 | |
| 57. | conao3 (Naoya Yamashita) |
2214 | |
| 58. | whitphx (Yuichiro Tachibana (Tsuchiya)) |
2194 | |
| 59. | kou (Sutou Kouhei) |
2170 | |
| 60. | hi-ogawa (Hiroshi Ogawa) |
2124 | |
| 61. | AkihiroSuda (Akihiro Suda) |
2117 | |
| 62. | sorairolake (Shun Sakai) |
2115 | |
| 63. | aviatesk (Shuhei Kadowaki) |
2107 | |
| 64. | tmori (Takashi Mori) |
2024 | |
| 65. | atsushieno (Atsushi Eno) |
2021 | |
| 66. | keijiro (Keijiro Takahashi) |
2020 | |
| 67. | gkjohnson (Garrett Johnson) |
2008 | |
| 68. | anatawa12 (anatawa12) |
1976 | |
| 69. | yuwata (Yu Watanabe) |
1975 | |
| 70. | 1amageek (1amageek) |
1942 | |
| 71. | yutkat (Yuta Katayama) |
1937 | |
| 72. | akatsuki105 (Akatsuki) |
1936 | |
| 73. | mopemope (Yutaka Matsubara) |
1910 | |
| 74. | yshrsmz (Yasuhiro SHIMIZU) |
1906 | |
| 75. | koxudaxi (Koudai Aono) |
1893 | |
| 76. | Hiroshiba (Hiroshiba) |
1888 | |
| 77. | tatsuhiro-t (Tatsuhiro Tsujikawa) |
1884 | |
| 78. | cho45 (Satoh, Hiroh) |
1852 | |
| 79. | lhl (Leonard) |
1840 | |
| 80. | 1024jp (1024jp) |
1832 | |
| 81. | ursm (Keita Urashima) |
1812 | |
| 82. | tkoyama010 (Tetsuo Koyama) |
1806 | |
| 83. | taisukef (Taisuke Fukuno) |
1768 | |
| 84. | Jannchie (Jianqi Pan) |
1758 | |
| 85. | cpojer (Christoph Nakazawa) |
1753 | |
| 86. | norbusan (Norbert Preining) |
1747 | |
| 87. | kazupon (kazuya kawaguchi) |
1712 | |
| 88. | ksoichiro (Soichiro Kashima) |
1703 | |
| 89. | coliff (Christian Oliff) |
1678 | |
| 90. | miurahr (Hiroshi Miura) |
1671 | |
| 91. | mumoshu (Yusuke Kuoka) |
1663 | |
| 92. | matz (Yukihiro "Matz" Matsumoto) |
1661 | |
| 93. | syuilo (syuilo) |
1624 | |
| 94. | skanehira (skanehira) |
1590 | |
| 95. | shimbaco (Shimba, Koji) |
1581 | |
| 96. | mayocream (Mayo Takanashi) |
1562 | |
| 97. | dalance (Naoya Hatta) |
1540 | |
| 98. | tatsuyafujisaki (Tatsuya Fujisaki) |
1536 | |
| 99. | kmizu (Kota Mizushima) |
1526 | |
| 100. | atztogo (Atsushi Togo) |
1525 | |
| 101. | kishikawakatsumi (Kishikawa Katsumi) |
1522 | |
| 102. | rigaya (rigaya) |
1475 | |
| 103. | nobu (Nobuyoshi Nakada) |
1471 | |
| 104. | nateberkopec (Nate Berkopec) |
1465 | |
| 105. | jsakamoto () |
1464 | |
| 106. | Songmu (Masayuki Matsuki) |
1454 | |
| 107. | ubugeeei (ubugeeei) |
1441 | |
| 108. | mizzy (Gosuke Miyashita) |
1439 | |
| 109. | gfx (FUJI Goro) |
1419 | |
| 110. | Shougo (Shougo) |
1402 | |
| 111. | kaityo256 (Hiroshi Watanabe) |
1395 | |
| 112. | walf443 (Keiji, Yoshimi) |
1378 | |
| 113. | onevcat (Wei Wang) |
1374 | |
| 114. | sideshowbarker () |
1350 | |
| 115. | yutannihilation (Hiroaki Yutani) |
1334 | |
| 116. | takahirom (Takahiro Menju) |
1318 | |
| 117. | lestrrat (lestrrat) |
1304 | |
| 118. | zchee (Koichi Shiraishi) |
1300 | |
| 119. | koic (Koichi ITO) |
1292 | |
| 120. | privatenumber (Hiroki Osame) |
1278 | |
| 121. | JohnTitor (Yuki Okushi) |
1277 | |
| 122. | nobuyuki83 (Nobuyuki Umetani) |
1264 | |
| 123. | rhysd (Linda_pp) |
1256 | |
| 124. | Saqoosha (Saqoosha) |
1252 | |
| 125. | komagata (Masaki Komagata) |
1248 | |
| 126. | koron (MURAOKA Taro) |
1247 | |
| 127. | neka-nat (k-tanaka) |
1244 | |
| 128. | davetang (Dave Tang) |
1235 | |
| 129. | syohex (Shohei YOSHIDA) |
1215 | |
| 130. | inokawa () |
1207 | |
| 131. | sorah (Sorah Fukumori) |
1178 | |
| 132. | kitao (Takashi Kitao) |
1167 | |
| 133. | zcbenz (Cheng) |
1156 | |
| 134. | nwiizo (nwiizo) |
1150 | |
| 135. | kateinoigakukun (Yuta Saito) |
1142 | |
| 136. | ota-meshi (Yosuke Ota) |
1141 | |
| 137. | kazu-yamamoto (Kazu Yamamoto) |
1137 | |
| 138. | eltociear (Ikko Eltociear Ashimine) |
1124 | |
| 139. | masarakki (masarakki) |
1108 | |
| 140. | wkentaro (Kentaro Wada) |
1107 | |
| 141. | ykzts (Yamagishi Kazutoshi) |
1102 | |
| 142. | usualoma (Taku Amano) |
1099 | |
| 143. | sigma7863 (Sigma) |
1098 | |
| 144. | fygar256 (Taisuke Maekawa) |
1087 | |
| 145. | vraestoren (huok) |
1082 | |
| 146. | smoogipoo (Dan Balasescu) |
1055 | |
| 147. | uzulla (uzulla / Junichi Ishida) |
1052 | |
| 148. | luadebug (Saikari) |
1027 | |
| 149. | kazuho (Kazuho Oku) |
1015 | |
| 150. | seratch (Kazuhiro Sera) |
981 | |
| 151. | momeemt (Mutsuha Asada) |
980 | |
| 152. | Saul-Mirone (Mirone) |
978 | |
| 153. | pocke (Masataka Pocke Kuwabara) |
971 | |
| 154. | fa0311 (ふぁ) |
970 | |
| 155. | noborus (Noboru Saito) |
964 | |
| 156. | kyamagu (Kota Yamaguchi) |
948 | |
| 157. | piroor (YUKI "Piro" Hiroshi) |
945 | |
| 158. | mosuka (Minoru OSUKA) |
944 | |
| 159. | udzura (Kondo Uchio) |
939 | |
| 160. | mpyw (mpyw) |
939 | |
| 161. | miurla (Yoshiki Miura) |
928 | |
| 162. | kt3k (Yoshiya Hinosawa) |
921 | |
| 163. | AungKaung1928 (Aung Kaung Myat) |
914 | |
| 164. | neuecc (Yoshifumi Kawai) |
913 | |
| 165. | Him188 (Him188) |
912 | |
| 166. | yusukebe (Yusuke Wada) |
909 | |
| 167. | otiai10 (Hiromu OCHIAI) |
905 | |
| 168. | nagadomi () |
904 | |
| 169. | sksat (sksat) |
892 | |
| 170. | qnighy (Masaki Hara) |
890 | |
| 171. | soutaro (Soutaro Matsumoto) |
889 | |
| 172. | smorimoto (Sora Morimoto) |
889 | |
| 173. | dvcrn (David) |
887 | |
| 174. | zonuexe (USAMI Kenta) |
883 | |
| 175. | msakai (Masahiro Sakai) |
880 | |
| 176. | asukaminato0721 (Asuka Minato) |
876 | |
| 177. | sugyan (Yoshihiro Sugi) |
875 | |
| 178. | siketyan (Naoki Ikeguchi) |
873 | |
| 179. | Kamesuta (Kamesuta) |
871 | |
| 180. | icoxfog417 (Takahiro Kubo) |
867 | |
| 181. | konn (Hiromi Ishii) |
859 | |
| 182. | shyouhei (卜部昌平) |
858 | |
| 183. | lepture (Hsiaoming Yang) |
856 | |
| 184. | nwtgck (Ryo Ota) |
850 | |
| 185. | philwo (Philipp Wollermann) |
846 | |
| 186. | Watson1978 (Shizuo Fujita) |
843 | |
| 187. | rinsuki (rinsuki) |
843 | |
| 188. | waylandzhang (WAYLAND ZHANG) |
841 | |
| 189. | iAJue (阿珏) |
839 | |
| 190. | takahashim (Masayoshi Takahashi) |
836 | |
| 191. | wass08 (Wassim SAMAD) |
831 | |
| 192. | int128 (Hidetake Iwata) |
829 | |
| 193. | NicolasDorier (Nicolas Dorier) |
819 | |
| 194. | fukamachi (Eitaro Fukamachi) |
817 | |
| 195. | matanki-saito ((*`・∀・´*)) |
817 | |
| 196. | yowatanabe (Yoshiyuki Watanabe) |
812 | |
| 197. | aliceinwire (Arisu Tachibana) |
811 | |
| 198. | wasabeef (Daichi Furiya) |
808 | |
| 199. | houko (Evan Hu) |
807 | |
| 200. | dai-shi (Daishi Kato) |
806 | |
| 201. | fosskers (Colin Woodbury) |
802 | |
| 202. | shogo4405 (shogo4405) |
800 | |
| 203. | AchrafReyani (Achraf) |
797 | |
| 204. | domenic (Domenic Denicola) |
796 | |
| 205. | nuskey8 (Yusuke Nakada) |
796 | |
| 206. | ykob (Yoichi Kobayashi) |
793 | |
| 207. | XiaomingX (Y11) |
787 | |
| 208. | muukii (Hiroshi Kimura) |
785 | |
| 209. | yuuki (Yuuki TSUBOUCHI) |
784 | |
| 210. | martinheidegger (Martin Heidegger) |
783 | |
| 211. | repeatedly (Masahiro Nakagawa) |
783 | |
| 212. | tanaikech (Kanshi TANAIKE) |
775 | |
| 213. | uezo (uezo) |
774 | |
| 214. | nuta (Seiya Nuta) |
773 | |
| 215. | ryo8000 (Ryo Hasegawa) |
772 | |
| 216. | kurone-kito (Kuroné Kito (黒音キト)) |
758 | |
| 217. | ko1 (Koichi Sasada) |
755 | |
| 218. | kenjinote (kenji) |
754 | |
| 219. | melpon (melpon) |
747 | |
| 220. | hadashiA (hadashiA) |
747 | |
| 221. | planetchili (chili) |
735 | |
| 222. | willnet (Shinichi Maeshima) |
729 | |
| 223. | hatoo () |
716 | |
| 224. | xfoxfu (Yuze Fu) |
713 | |
| 225. | cxxxr (cxxxr) |
709 | |
| 226. | kazunori279 (Kaz Sato) |
708 | |
| 227. | hashrock (hashrock) |
703 | |
| 228. | s1204IT (Syuugo) |
694 | |
| 229. | knu (Akinori Musha) |
693 | |
| 230. | hardfist (hardfist) |
691 | |
| 231. | uhyo (uhyo) |
684 | |
| 232. | kentaro (Kentaro Kuribayashi) |
683 | |
| 233. | c-bata (c-bata) |
663 | |
| 234. | ngs (Atsushi NAGASE) |
662 | |
| 235. | jmettraux (John Mettraux) |
657 | |
| 236. | breezewish (Wish) |
657 | |
| 237. | baku89 (Baku Hashimoto) |
655 | |
| 238. | masui (Toshiyuki Masui) |
652 | |
| 239. | wadackel (tsuyoshi wada) |
650 | |
| 240. | lacolaco (Suguru Inatomi) |
650 | |
| 241. | rmackay9 (Randy Mackay) |
650 | |
| 242. | Jxck (Jxck) |
638 | |
| 243. | ninoseki (Manabu Niseki) |
637 | |
| 244. | lovyan03 (lovyan03) |
635 | |
| 245. | ryohey (ryohey) |
630 | |
| 246. | biohack5079 (sagbi) |
629 | |
| 247. | shirakaba (Jamie Birch) |
625 | |
| 248. | andrewmd5 (Andrew Sampson) |
625 | |
| 249. | reindex-ot (Re*Index. (ot_inc)) |
613 | |
| 250. | hoothin () |
608 | |
| 251. | daitomanabe (Daito Manabe) |
601 | |
| 252. | watilde (Daijiro Wachi) |
598 | |
| 253. | taichi-ishitani (Taichi Ishitani) |
595 | |
| 254. | syumai (syumai) |
591 | |
| 255. | cordx56 (Yuki Okamoto) |
591 | |
| 256. | syoyo (Syoyo Fujita) |
590 |
| Rank | Organization | Members |
|---|---|---|
| 1. | ruby | 10 |
| 2. | epicgames | 6 |
| 3. | vim-jp | 6 |
| 4. | ruby-no-kai | 5 |
| 5. | perl-users-jp | 5 |
| 6. | reviewdog | 4 |
| 7. | web-platform-tests | 4 |
| 8. | asakusarb | 4 |
| 9. | groonga | 4 |
| 10. | ukigumo | 4 |