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A list of the most active GitHub users

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Most active GitHub users in Japan

This is a list of most active GitHub users in Japan over the past year. Other countries/cities can be found here. This list was generated at 2019-08-19 00:04:13.172597773 +0000 UTC.

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)

Private contributions are included if the user has selected that option in their profile settings.

Rank User Contribs Picture
1. m-takagi (TAKAGI Masahiro) 23431
2. bannzai (hirose yudai) 12067
3. sifue (Soichiro Yoshimura) 9337
4. kyubuns (kyubuns) 9326
5. izumin5210 (Masayuki Izumi) 8457
6. coord-e (coord.e) 8181
7. k0kubun (Takashi Kokubun) 8023
8. ken0nek (Ken Tominaga) 7783
9. rust (Shinichiro OGAWA) 7575
10. uiur (Kazato Sugimoto) 7227
11. syuilo (syuilo) 7129
12. azu (azu) 7040
13. seanchas116 (Ryohei Ikegami) 6909
14. sue445 (GO Sueyoshi) 6566
15. gogotanaka (Kazuki Tanaka) 6345
16. yuya-takeyama (Yuya Takeyama) 6151
17. itchyny (itchyny) 6131
18. nwtgck (Ryo Ota) 6074
19. morizotter (Morita Naoki) 5922
20. zchee (Koichi Shiraishi) 5707
21. banyan (Kohei Hasegawa) 5627
22. ishkawa (Yosuke Ishikawa) 5602
23. jinjor (Yosuke Torii) 5588
24. tarunon (Nobuo Saito) 5401
25. xuwei-k (kenji yoshida) 5125
26. yaakaito (KAZUMA Ukyo) 5026
27. sonots (Naotoshi Seo) 5025
28. saneyuki (Tetsuharu OHZEKI) 5015
29. yhatt (Yuki Hattori) 4908
30. ashchan (James Chen) 4897
31. mono0926 (Masayuki Ono) 4796
32. 0918nobita (0918nobita) 4777
33. Code-Hex (Kei Kamikawa) 4726
34. kou (Sutou Kouhei) 4675
35. at-wat (Atsushi Watanabe) 4663
36. ericmuyser (Eric Muyser) 4603
37. tsuyoshiwada (tsuyoshi wada) 4564
38. philipperemy (Philippe Rémy) 4520
39. utahta (UEKUSA Yuta) 4488
40. vvakame (Masahiro Wakame) 4428
41. zaq1tomo (Tomoya Ishizaki) 4337
42. tokorom (tokorom) 4313
43. timakin (Seiji Takahashi) 4190
44. konifar (Yusuke Konishi) 4165
45. builtinnya (Naoto Yokoyama) 4135
46. fukayatsu (Atsuo Fukaya) 4071
47. sys1yagi (Toshihiro Yagi) 4011
48. acid-chicken (Acid Chicken (硫酸鶏)) 4005
49. unhappychoice (Yuji Ueki) 3904
50. yhirano55 (yhirano55) 3890
51. memory-agape (Kei Inoue) 3885
52. geta6 (geta6) 3884
53. hvy (Hiroyuki Vincent Yamazaki) 3866
54. airtoxin (Ryoji Ishii) 3809
55. yuki-kimoto (Yuki Kimoto) 3767
56. iyuuya (iyuuya) 3762
57. shoheiyokoyama (Shohei Yokoyama) 3756
58. ykzts (Yamagishi Kazutoshi) 3731
59. bokuweb (bokuweb) 3729
60. muukii (Hiroshi Kimura) 3724
61. summerwind (Moto Ishizawa) 3715
62. 1000ch (Shogo Sensui) 3712
63. ssig33 (Rick Koike) 3702
64. shirou (shirou) 3691
65. piroor (YUKI "Piro" Hiroshi) 3686
66. potato4d (Takuma HANATANI) 3685
67. kengonakajima (Kengo Nakajima) 3582
68. ra1028 (Ryo Aoyama) 3574
69. jmatsu (Jumpei Matsuda) 3544
70. atyenoria (Akinori Nakajima) 3532
71. bouzuya (bouzuya) 3491
72. satococoa (Satoshi Ebisawa) 3486
73. keichan34 (Keitaroh Kobayashi) 3467
74. saki4510t (saki) 3456
75. mayuki (Mayuki Sawatari) 3423
76. h6ah4i (Haruki Hasegawa) 3406
77. TakuSemba (TakuSemba) 3394
78. takahirom (Takahiro Menju) 3311
79. wakinchan (Yusuke Kuroiwa) 3297
80. voluntas (voluntas) 3273
81. 1amageek (1amageek) 3266
82. pocke (Masataka Pocke Kuwabara) 3226
83. dragon3 (Ryuzo Yamamoto) 3176
84. frandiox (Fran Dios) 3161
85. lambdalisue (Alisue) 3160
86. creasty (Yuki Iwanaga) 3159
87. fujimura (Daisuke Fujimura) 3156
88. koogawa (Kosuke Ogawa) 3104
89. sachaos (Takumasa Sakao) 3103
90. kodai100 (Kodai Takao) 3087
91. Rokt33r (Junyoung Choi) 3070
92. marty-suzuki (Taiki Suzuki) 3057
93. mtsmfm (Fumiaki MATSUSHIMA) 3032
94. kazeburo (Masahiro Nagano) 3001
95. nghialv (Le Van Nghia) 2997
96. koriym (Akihito Koriyama) 2990
97. knu (Akinori MUSHA) 2987
98. tekezo (Takayama Fumihiko) 2956
99. b4b4r07 (Masaki ISHIYAMA) 2940
100. guitarrapc (Ikiru Yoshizaki) 2924
101. kboy-silvergym (Kei Fujikawa) 2916
102. pine (Pine Mizune) 2895
103. cgcardona (Gabriel Cardona) 2893
104. yuzushioh (Ryo Fukuda) 2882
105. rhysd (Linda_pp) 2858
106. k1LoW (Ken’ichiro Oyama) 2856
107. KeithYokoma (Keishin Yokomaku) 2833
108. JuanitoFatas (Juanito Fatas) 2794
109. yasulab (Yohei Yasukawa) 2782
110. making (Toshiaki Maki) 2741
111. toshimaru (Toshimaru) 2734
112. suzuki (Norio Suzuki) 2716
113. uasi (Tomoki Aonuma) 2675
114. Songmu (Masayuki Matsuki) 2673
115. tnantoka (Tatsuya Tobioka) 2668
116. kgtkr (tkr) 2665
117. ktr0731 (ktr) 2665
118. sorah (Sorah Fukumori) 2663
119. snoozer05 (SHIMADA Koji) 2658
120. r7kamura (Ryo Nakamura) 2654
121. hakatashi (Koki Takahashi) 2643
122. myuon (myuon) 2631
123. ogaclejapan (ogaclejapan) 2611
124. koudaiii (Kodai Sakabe) 2601
125. minikomi (Adam Moore) 2585
126. Watson1978 (Watson) 2578
127. sachin21 (Satoshi Ohmori) 2556
128. hajimehoshi (Hajime Hoshi) 2544
129. j5ik2o (Junichi Kato) 2520
130. rui314 (Rui Ueyama) 2512
131. uribo (Shinya Uryu) 2446
132. boxp (Keitaro Takeuchi) 2441
133. inc2734 (Takashi Kitajima) 2437
134. Lewuathe (Kai Sasaki) 2429
135. sile (Takeru Ohta) 2426
136. 3846masa (Masahiro Miyashiro (3846masa)) 2377
137. akio0911 (Shingo Sato) 2374
138. KyoheiG3 (Kyohei Ito) 2347
139. juno (Junya Ogura) 2338
140. hotchemi (Shintaro Katafuchi) 2336
141. icyflame (Siddharth Kannan) 2313
142. amyu (Yuki Mima) 2289
143. toshi0383 (Toshihiro Suzuki) 2282
144. ngs (Atsushi NAGASE) 2273
145. shimat (shimat) 2254
146. kamipo (Ryuta Kamizono) 2250
147. willnet (Shinichi Maeshima) 2232
148. DenisKolodin (Denis Kolodin) 2214
149. dai0304 (MIYAMOTO Daisuke) 2203
150. NathanLovato (Nathan Lovato) 2193
151. cutmail (Tatsuya Arai) 2184
152. freedomofkeima (Iskandar Setiadi) 2161
153. konojunya (Junya Kono) 2156
154. toruta39 (Joshua Zhang) 2145
155. KazuCocoa (Kazuaki Matsuo) 2129
156. k-okada (Kei Okada) 2125
157. a-r-g-v (Yuki Mukasa ( a_r_g_v )) 2122
158. superbrothers (Kazuki Suda) 2109
159. c-bata (Masashi SHIBATA) 2099
160. hsbt (SHIBATA Hiroshi) 2084
161. susieyy (yohei sugigami) 2062
162. AkihiroSuda (Akihiro Suda) 2060
163. hirak (Hiraku NAKANO) 2046
164. kawahara (Shogo Kawahara) 2040
165. akyoto (Eduard Urbach) 2024
166. sota1235 (Sota Sugiura) 2023
167. sr229 (Kibo Hikari) 2022
168. kazupon (kazuya kawaguchi) 2020
169. aiya000 (aiya000) 2014
170. shogo82148 (Ichinose Shogo) 2004
171. morizyun (morizyun) 1991
172. mattn (mattn) 1983
173. cocodrips (ku-mu) 1980
174. Siketyan (Naoki Ikeguchi) 1979
175. luvtechno (Yoshinori Kawasaki) 1972
176. ziyan (Ziyan Zhou) 1966
177. masarakki (masarakki) 1958
178. yysskk (Yusuke Morishita) 1954
179. akkyie (Akio Yasui) 1920
180. kittinunf (Kittinun Vantasin) 1919
181. mzyy94 (Yuki MIZUNO) 1916
182. khibino (日比野 啓 (Kei Hibino)) 1915
183. goccy (Masaaki Goshima) 1913
184. idealhack (Yang Li) 1906
185. naoya (Naoya Ito) 1891
186. PINTO0309 (Katsuya Hyodo) 1875
187. tomill (Naoki Tomita) 1874
188. vbanthia (Vishal Banthia) 1871
189. hitode909 (hitode909) 1869
190. kishikawakatsumi (Kishikawa Katsumi) 1868
191. TimOliver (Tim Oliver) 1861
192. mitmul (Shunta Saito) 1860
193. ochko (Ochko) 1848
194. kaelaela (Yuichi Maekawa) 1835
195. takeshik (Takeshi KIRIYA) 1824
196. novi (Yusuke Ito) 1822
197. kekyo (Kouji Matsui) 1790
198. mitsuruog (Mitsuru Ogawa) 1784
199. nobu (Nobuyoshi Nakada) 1770
200. matschaffer (Mat Schaffer) 1761
201. kazuho (Kazuho Oku) 1759
202. cdepillabout (Dennis Gosnell) 1758
203. cxxxr (cxxxr) 1750
204. jarun (Mischievous Meerkat) 1733
205. nagachika (nagachika) 1731
206. nakajijapan (Daichi Nakajima) 1718
207. jmettraux (John Mettraux) 1715
208. maekawatoshiki (uint256_t) 1710
209. iwasaki-kenta (Kenta Iwasaki) 1708
210. igrep (YAMAMOTO Yuji) 1705
211. linyows (Tomohisa Oda) 1696
212. shimbaco (Koji Shimba) 1680
213. liquidz (Iizuka Masashi) 1677
214. k0sukey (Kosuke Isobe) 1673
215. coliff (Christian Oliff) 1658
216. upamune (Yu SERIZAWA) 1648
217. dai-shi (Daishi Kato) 1642
218. bmf-san (Kenta Takeuchi) 1633
219. joker1007 (Tomohiro Hashidate) 1623
220. kakajika (Keita Kajiwara) 1613
221. ruedap (ruedap) 1613
222. onevcat (Wei Wang) 1601
223. kjirou (Koujirou Ishii) 1590
224. hanksudo (Hank Wang) 1583
225. mpenkov (Michael Penkov) 1581
226. inamiy (Yasuhiro Inami) 1572
227. suzuken (Kenta SUZUKI) 1570
228. mumoshu (KUOKA Yusuke) 1563
229. ne-sachirou (さっちゃん) 1562
230. mizchi (Koutaro Chikuba) 1552
231. yutopp (yutopp) 1547
232. slankdev (Hiroki SHIROKURA) 1544
233. leemengtaiwan (LeeMeng (李孟)) 1541
234. MizukiSonoko (Sonoko Mizuki) 1540
235. moriyoshi (Moriyoshi Koizumi) 1539
236. mktakuya (Takuya Mukohira) 1537
237. deltaluca (Luca Deltodesco) 1535
238. predominant (Graham Weldon) 1530
239. hibiyasleep (Kuriyama hibiya) 1524
240. kt3k (Yoshiya Hinosawa) 1524
241. gugod (Kang-min Liu) 1498
242. 1024jp (1024jp) 1496
243. yvt (YVT) 1469
244. yuyakaido (Yuya Kaido) 1467
245. kobakei (Keisuke Kobayashi) 1460
246. otiai10 (Hiromu OCHIAI) 1418
247. ww24 (Takenori Nakagawa) 1406
248. noppoMan (Yuki Takei) 1404
249. yanarchy (Yan Fan) 1401
250. JohnEstropia (John Estropia) 1396
251. matthew-andrews (Matt Andrews) 1386
252. r-plus (r-plus) 1382
253. cosmo0920 (Hiroshi Hatake) 1379
254. tek-nishi (Nobuyuki Nishiyama) 1374
255. zigen (zigen) 1365
256. dvcrn (David Mohl) 1355

Organizations

Rank Organization Members
1. mercari 13
2. ruby 10
3. potatotips 9
4. vim-jp 6
5. abema 6
6. rxswiftcommunity 6
7. cats-oss 5
8. maintainers 5
9. quipper 5
10. epicgames 5