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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 2019-09-16 00:04:13.821797212 +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) 23630
2. bannzai (hirose yudai) 19731
3. kyubuns (kyubuns) 9527
4. sifue (Soichiro Yoshimura) 9199
5. izumin5210 (Masayuki Izumi) 8226
6. uiur (Kazato Sugimoto) 7600
7. azu (azu) 7365
8. coord-e (coord.e) 7295
9. rust (Shinichiro OGAWA) 7169
10. seanchas116 (Ryohei Ikegami) 7022
11. k0kubun (Takashi Kokubun) 6782
12. sue445 (GO Sueyoshi) 6531
13. ken0nek (Ken Tominaga) 6459
14. rui314 (Rui Ueyama) 6271
15. yuya-takeyama (Yuya Takeyama) 6268
16. syuilo (syuilo) 6114
17. nwtgck (Ryo Ota) 6021
18. itchyny (itchyny) 5947
19. gogotanaka (Kazuki Tanaka) 5852
20. morizotter (Morita Naoki) 5843
21. zchee (Koichi Shiraishi) 5748
22. jinjor (Yosuke Torii) 5623
23. xuwei-k (kenji yoshida) 5616
24. ishkawa (Yosuke Ishikawa) 5481
25. ashchan (James Chen) 5085
26. banyan (Kohei Hasegawa) 5070
27. at-wat (Atsushi Watanabe) 5037
28. tarunon (Nobuo Saito) 4953
29. yaakaito (KAZUMA Ukyo) 4930
30. yhatt (Yuki Hattori) 4900
31. sonots (Naotoshi Seo) 4773
32. kou (Sutou Kouhei) 4723
33. mono0926 (Masayuki Ono) 4716
34. Code-Hex (Kei Kamikawa) 4710
35. vvakame (Masahiro Wakame) 4686
36. philipperemy (Philippe Rémy) 4629
37. tsuyoshiwada (tsuyoshi wada) 4575
38. timakin (Seiji Takahashi) 4543
39. saneyuki (Tetsuharu OHZEKI) 4530
40. ericmuyser (Eric Muyser) 4492
41. 0918nobita (0918nobita) 4475
42. unhappychoice (Yuji Ueki) 4454
43. tokorom (tokorom) 4438
44. ykzts (Yamagishi Kazutoshi) 4357
45. konifar (Yusuke Konishi) 4341
46. fukayatsu (Atsuo Fukaya) 4316
47. utahta (UEKUSA Yuta) 4310
48. builtinnya (Naoto Yokoyama) 4290
49. zaq1tomo (Tomoya Ishizaki) 4109
50. iyuuya (iyuuya) 3971
51. yhirano55 (yhirano55) 3966
52. sys1yagi (Toshihiro Yagi) 3957
53. atyenoria (Akinori Nakajima) 3819
54. acid-chicken (Acid Chicken (硫酸鶏)) 3800
55. summerwind (Moto Ishizawa) 3796
56. bokuweb (bokuweb) 3756
57. dragon3 (Ryuzo Yamamoto) 3734
58. geta6 (geta6) 3714
59. 1000ch (Shogo Sensui) 3705
60. memory-agape (memory) 3704
61. shoheiyokoyama (Shohei Yokoyama) 3684
62. kazeburo (Masahiro Nagano) 3679
63. muukii (Hiroshi Kimura) 3673
64. hvy (Hiroyuki Vincent Yamazaki) 3636
65. pocke (Masataka Pocke Kuwabara) 3621
66. ra1028 (Ryo Aoyama) 3597
67. airtoxin (Ryoji Ishii) 3592
68. shirou (shirou) 3583
69. ssig33 (Rick Koike) 3571
70. saki4510t (saki) 3570
71. kengonakajima (Kengo Nakajima) 3564
72. bouzuya (bouzuya) 3491
73. yuki-kimoto (Yuki Kimoto) 3455
74. piroor (YUKI "Piro" Hiroshi) 3451
75. lambdalisue (Alisue) 3425
76. potato4d (Takuma HANATANI) 3407
77. h6ah4i (Haruki Hasegawa) 3387
78. takahirom (Takahiro Menju) 3372
79. satococoa (Satoshi Ebisawa) 3362
80. jmatsu (Jumpei Matsuda) 3358
81. mayuki (Mayuki Sawatari) 3341
82. keichan34 (Keitaroh Kobayashi) 3333
83. frandiox (Fran Dios) 3326
84. voluntas (voluntas) 3295
85. TakuSemba (TakuSemba) 3268
86. koogawa (Kosuke Ogawa) 3252
87. kodai100 (Kodai Takao) 3194
88. nghialv (Le Van Nghia) 3191
89. 1amageek (1amageek) 3189
90. Rokt33r (Junyoung Choi) 3127
91. rhysd (Linda_pp) 3039
92. ktoso (Konrad `ktoso` Malawski) 3036
93. b4b4r07 (Masaki ISHIYAMA) 3034
94. k1LoW (Ken’ichiro Oyama) 2998
95. yasulab (Yohei Yasukawa) 2989
96. myuon (myuon) 2958
97. guitarrapc (Ikiru Yoshizaki) 2944
98. Songmu (Masayuki Matsuki) 2931
99. tekezo (Takayama Fumihiko) 2929
100. knu (Akinori MUSHA) 2925
101. pine (Pine Mizune) 2891
102. sachaos (Takumasa Sakao) 2890
103. KeithYokoma (Keishin Yokomaku) 2875
104. creasty (Yuki Iwanaga) 2864
105. marty-suzuki (Taiki Suzuki) 2859
106. fujimura (Daisuke Fujimura) 2829
107. sota1235 (Sota Sugiura) 2815
108. koriym (Akihito Koriyama) 2808
109. tnantoka (Tatsuya Tobioka) 2786
110. JuanitoFatas (Juanito Fatas) 2776
111. ktr0731 (ktr) 2763
112. kboy-silvergym (Kei Fujikawa) 2743
113. mtsmfm (Fumiaki MATSUSHIMA) 2740
114. snoozer05 (SHIMADA Koji) 2729
115. toshimaru (Toshimaru) 2727
116. suzuki (Norio Suzuki) 2724
117. kgtkr (tkr) 2712
118. 3846masa (Masahiro Miyashiro (3846masa)) 2687
119. minikomi (Adam Moore) 2686
120. yuzushioh (Ryo Fukuda) 2683
121. ogaclejapan (ogaclejapan) 2664
122. making (Toshiaki Maki) 2647
123. hakatashi (Koki Takahashi) 2636
124. Watson1978 (Watson) 2634
125. Lewuathe (Kai Sasaki) 2631
126. cgcardona (Gabriel Cardona) 2625
127. koudaiii (Kodai Sakabe) 2585
128. boxp (Keitaro Takeuchi) 2567
129. sorah (Sorah Fukumori) 2564
130. icyflame (Siddharth Kannan) 2560
131. uasi (Tomoki Aonuma) 2544
132. r7kamura (Ryo Nakamura) 2530
133. amyu (Yuki Mima) 2523
134. sile (Takeru Ohta) 2487
135. uribo (Shinya Uryu) 2476
136. sachin21 (Satoshi Ohmori) 2472
137. hajimehoshi (Hajime Hoshi) 2457
138. cybergarage (Satoshi Konno) 2439
139. ngs (Atsushi NAGASE) 2432
140. inc2734 (Takashi Kitajima) 2393
141. j5ik2o (Junichi Kato) 2391
142. shimat (shimat) 2351
143. akio0911 (Shingo Sato) 2349
144. toshi0383 (Toshihiro Suzuki) 2337
145. shogo82148 (Ichinose Shogo) 2333
146. DenisKolodin (Denis Kolodin) 2304
147. juno (Junya Ogura) 2289
148. KyoheiG3 (Kyohei Ito) 2288
149. Siketyan (Naoki Ikeguchi) 2263
150. willnet (Shinichi Maeshima) 2242
151. cutmail (Tatsuya Arai) 2242
152. NathanLovato (Nathan Lovato) 2233
153. akyoto (Eduard Urbach) 2230
154. hotchemi (Shintaro Katafuchi) 2222
155. toruta39 (Joshua Zhang) 2199
156. kishikawakatsumi (Kishikawa Katsumi) 2195
157. konojunya (Junya Kono) 2187
158. freedomofkeima (Iskandar Setiadi) 2175
159. cocodrips (ku-mu) 2171
160. c-bata (Masashi SHIBATA) 2156
161. vbanthia (Vishal Banthia) 2145
162. himkt (Makoto Hiramatsu) 2142
163. akkyie (Akio Yasui) 2129
164. kamipo (Ryuta Kamizono) 2119
165. KazuCocoa (Kazuaki Matsuo) 2115
166. kekyo (Kouji Matsui) 2109
167. hsbt (SHIBATA Hiroshi) 2084
168. hiromu (Hiromu Yakura) 2081
169. aiya000 (aiya000) 2079
170. mattn (mattn) 2070
171. AkihiroSuda (Akihiro Suda) 2051
172. TimOliver (Tim Oliver) 2041
173. morizyun (morizyun) 2037
174. hitode909 (hitode909) 2033
175. sr229 (Ayane Satomi) 2031
176. hirak (Hiraku NAKANO) 2026
177. yutopp (yutopp) 2024
178. luvtechno (Yoshinori Kawasaki) 2023
179. kawahara (Shogo Kawahara) 2012
180. khibino (日比野 啓 (Kei Hibino)) 1968
181. kazupon (kazuya kawaguchi) 1968
182. ziyan (Ziyan Zhou) 1964
183. kittinunf (Kittinun Vantasin) 1955
184. masarakki (masarakki) 1927
185. norbusan (Norbert Preining) 1925
186. yysskk (Yusuke Morishita) 1917
187. goccy (Masaaki Goshima) 1912
188. ochko (Ochko) 1910
189. nobu (Nobuyoshi Nakada) 1907
190. idealhack (Yang Li) 1898
191. a-r-g-v (Yuki Mukasa ( a_r_g_v )) 1894
192. naoya (Naoya Ito) 1861
193. kazuho (Kazuho Oku) 1861
194. mitmul (Shunta Saito) 1848
195. kaelaela (Yuichi Maekawa) 1844
196. takeshik (Takeshi KIRIYA) 1838
197. iwasaki-kenta (Kenta Iwasaki) 1826
198. superbrothers (Kazuki Suda) 1814
199. mzyy94 (Yuki MIZUNO) 1806
200. PINTO0309 (Katsuya Hyodo) 1802
201. tomill (Naoki Tomita) 1802
202. jarun (Mischievous Meerkat) 1800
203. k-okada (Kei Okada) 1791
204. susieyy (yohei sugigami) 1790
205. matschaffer (Mat Schaffer) 1776
206. nagachika (nagachika) 1769
207. upamune (Yu SERIZAWA) 1759
208. slankdev (Hiroki SHIROKURA) 1755
209. k0sukey (Kosuke Isobe) 1743
210. mitsuruog (Mitsuru Ogawa) 1715
211. worker8 (Tan Jun Rong) 1709
212. mizchi (Koutaro Chikuba) 1709
213. novi (Yusuke Ito) 1707
214. cdepillabout (Dennis Gosnell) 1702
215. linyows (Tomohisa Oda) 1693
216. jmettraux (John Mettraux) 1687
217. igrep (YAMAMOTO Yuji) 1673
218. joker1007 (Tomohiro Hashidate) 1663
219. dai-shi (Daishi Kato) 1653
220. kakajika (Keita Kajiwara) 1632
221. kjirou (Koujirou Ishii) 1623
222. yvt (YVT) 1615
223. JohnEstropia (John Estropia) 1613
224. liquidz (Iizuka Masashi) 1609
225. shimbaco (Koji Shimba) 1601
226. coliff (Christian Oliff) 1590
227. ruedap (ruedap) 1579
228. hanksudo (Hank Wang) 1578
229. cxxxr (cxxxr) 1577
230. giginet (Kohki Miki) 1571
231. moriyoshi (Moriyoshi Koizumi) 1571
232. Ryo-N7 (Ryo Nakagawara) 1570
233. nakajijapan (Daichi Nakajima) 1566
234. ne-sachirou (さっちゃん) 1555
235. maekawatoshiki (uint256_t) 1543
236. gugod (Kang-min Liu) 1540
237. leemengtaiwan (LeeMeng (李孟)) 1535
238. deltaluca (Luca Deltodesco) 1532
239. yuyakaido (Yuya Kaido) 1530
240. zigen (zigen) 1529
241. mktakuya (Takuya Mukohira) 1524
242. bmf-san (Kenta Takeuchi) 1511
243. predominant (Graham Weldon) 1505
244. kaorun343 () 1497
245. inamiy (Yasuhiro Inami) 1497
246. kobakei (Keisuke Kobayashi) 1484
247. kt3k (Yoshiya Hinosawa) 1482
248. ww24 (Takenori Nakagawa) 1478
249. suzuken (Kenta SUZUKI) 1472
250. Hiroki11x (Hiroki Naganuma) 1470
251. MizukiSonoko (Sonoko Mizuki) 1454
252. mumoshu (KUOKA Yusuke) 1453
253. cosmo0920 (Hiroshi Hatake) 1452
254. onevcat (Wei Wang) 1439
255. kitak (Keisuke KITA) 1427
256. amatsuda (Akira Matsuda) 1419

Organizations

Rank Organization Members
1. mercari 12
2. ruby 11
3. potatotips 9
4. vim-jp 6
5. abema 6
6. rxswiftcommunity 6
7. quipper 5
8. ruby-no-kai 5
9. epicgames 5
10. maintainers 5