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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 2018-02-19 00:06:42.277606735 +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. koike (Rintaro KOIKE) 25094
2. m-takagi (TAKAGI Masahiro) 23945
3. dongri (D) 15098
4. azu (azu) 9706
5. wkentaro (Kentaro Wada) 7991
6. morizotter (Morita Naoki) 7301
7. AtsushiM (Mizoue Atsushi) 6388
8. seanchas116 (Ryohei Ikegami) 6373
9. kyubuns (kyubuns) 6260
10. yhirano55 (yhirano55) 6083
11. creasty (Yuki Iwanaga) 5746
12. k0kubun (Takashi Kokubun) 5720
13. ryota-ka (Ryota Kameoka) 5705
14. fujimura (Daisuke Fujimura) 5593
15. yuki-kimoto (Yuki Kimoto) 5592
16. pocke (Masataka Pocke Kuwabara) 5541
17. j5ik2o (Junichi Kato) 5433
18. yhatt (Yuki Hattori) 5322
19. ishkawa (Yosuke Ishikawa) 5257
20. kechol (Kazuyuki SUZUKI) 5241
21. xuwei-k (kenji yoshida) 5231
22. zchee (Koichi Shiraishi) 5179
23. muukii (Hiroshi Kimura) 5147
24. sue445 (sue445) 5018
25. timakin (Seiji Takahashi) 4945
26. itchyny (itchyny) 4944
27. kou (Kouhei Sutou) 4909
28. jmatsu (Jumpei Matsuda) 4815
29. mono0926 (Masayuki Ono) 4751
30. yuzushioh (Ryo Fukuda) 4565
31. piroor (YUKI "Piro" Hiroshi) 4359
32. konifar (Yusuke Konishi) 4298
33. sys1yagi (Toshihiro Yagi) 4272
34. potato4d (HANATANI Takuma) 4183
35. juno (Junya Ogura) 4171
36. totzyuta (Yuta Totz) 4167
37. tnantoka (Tatsuya Tobioka) 4164
38. toshimaru (Toshimaru) 4143
39. iyuuya (iyuuya) 4141
40. yuya-takeyama (Yuya Takeyama) 4140
41. guicho271828 (Masataro Asai) 4088
42. mitsuruog (Mitsuru Ogawa) 4015
43. fakestarbaby (Yoshinori Hirasawa) 4014
44. bonnu (Satoshi Ohkubo) 4008
45. sachin21 (Satoshi Ohmori) 3994
46. gogotanaka (Kazuki Tanaka) 3983
47. saneyuki (Tetsuharu OHZEKI) 3956
48. kobakei (Keisuke Kobayashi) 3953
49. nulltask (Seiya Konno) 3952
50. zcbenz (Cheng Zhao) 3924
51. Reyurnible (Shun Hosaka) 3849
52. h6ah4i (Haruki Hasegawa) 3793
53. hotchpotch (Yuichi Tateno (secon)) 3789
54. voluntas (voluntas) 3741
55. bokuweb (bokuweb) 3738
56. tsuyoshiwada (tsuyoshi wada) 3637
57. yshrsmz (Yasuhiro Shimizu) 3626
58. geta6 (geta6) 3567
59. cutmail (Tatsuya Arai) 3550
60. akameco (akameco) 3546
61. summerwind (Moto Ishizawa) 3520
62. hakatashi (Koki Takahashi) 3515
63. DQNEO (DQNEO) 3436
64. hirak (Hiraku NAKANO) 3406
65. t9md (t9md) 3391
66. luvtechno (Yoshinori Kawasaki) 3365
67. hotchemi (Shintaro Katafuchi) 3295
68. masutaka (Takashi Masuda) 3248
69. ww24 (Take) 3233
70. ixkaito (Kite) 3134
71. joker1007 (Tomohiro Hashidate) 3127
72. ashchan (James Chen) 3109
73. shioyama (Chris Salzberg) 3107
74. ya-s-u (Yasuaki Goto) 3093
75. JuanitoFatas (Juanito Fatas) 3093
76. making (Toshiaki Maki) 3087
77. ykzts (Yamagishi Kazutoshi) 3043
78. akiroom (Hiroki Akiyama) 3028
79. Quramy (Yosuke Kurami) 3012
80. yuuki1224 (Yuki Asano) 2984
81. shoheiyokoyama (Shohei Yokoyama) 2974
82. k-okada (Kei Okada) 2930
83. ahomu (Ayumu Sato) 2927
84. okkez (okkez) 2919
85. 1000ch (Shogo Sensui) 2882
86. MizukiSonoko (水樹素子) 2862
87. banyan (Kohei Hasegawa) 2856
88. chatgris (Julien Boyer) 2853
89. sgr-ksmt (Suguru Kishimoto) 2852
90. shinnn (Shinnosuke Watanabe) 2832
91. r7kamura (Ryo Nakamura) 2777
92. kamipo (Ryuta Kamizono) 2757
93. Lewuathe (Kai Sasaki) 2749
94. MiLk (Emilien Kenler) 2749
95. polidog (Ryota Mochizuki) 2749
96. shimat (shimat) 2747
97. Rudolph-Miller (Rudolph Miller) 2742
98. Layzie (HIRAKI Satoru) 2728
99. lestrrat (lestrrat) 2647
100. unhappychoice (Yuji Ueki) 2614
101. STAR-ZERO (Kenji Abe) 2611
102. rust (Shinichiro OGAWA) 2604
103. tomill (Naoki Tomita) 2599
104. izumin5210 (Masayuki Izumi) 2591
105. suzuki (Norio Suzuki) 2589
106. fukayatsu (Atsuo Fukaya) 2589
107. knu (Akinori MUSHA) 2579
108. nghialv (Le Van Nghia) 2574
109. mattn (mattn) 2572
110. hanksudo (Hank Wang) 2569
111. sonots (Naotoshi Seo) 2546
112. kawahara (Shogo Kawahara) 2522
113. naoina (Naoya Inada) 2494
114. saki4510t (saki) 2490
115. JohnEstropia (John Estropia) 2488
116. unnonouno (Yuya Unno) 2481
117. miya0001 (Takayuki Miyauchi) 2478
118. heavenshell (Shinya Ohyanagi) 2441
119. suzuken (Kenta SUZUKI) 2414
120. piuccio (Fabio Crisci) 2403
121. e-jigsaw (jigsaw) 2388
122. frandiox (Fran Dios) 2386
123. lin714093880 (Toto Lin) 2368
124. DenisIzmaylov (Denis Izmaylov) 2353
125. ryuzee (Ryutaro YOSHIBA) 2353
126. lacolaco (Suguru Inatomi) 2345
127. osamingo (Osamu TONOMORI) 2345
128. Rokt33r (Junyoung Choi (Sai)) 2344
129. syou6162 (Yasuhisa Yoshida) 2333
130. hajimehoshi (Hajime Hoshi) 2330
131. ngs (Atsushi NAGASE) 2315
132. cournape (David Cournapeau) 2302
133. philipperemy (Philippe Rémy) 2283
134. pine (Pine Mizune) 2280
135. supermomonga (supermomonga) 2278
136. ktoso (Konrad `ktoso` Malawski) 2247
137. nao-pon (Naoki Sawada) 2223
138. SachaG (Sacha Greif) 2223
139. Songmu (Masayuki Matsuki) 2222
140. nobuoka (Nobuoka Yu) 2218
141. KeithYokoma (Keishin Yokomaku) 2198
142. yoichitgy (Yoichi Tagaya) 2198
143. slankdev (Hiroki SHIROKURA) 2182
144. NicolasDorier (Nicolas Dorier) 2162
145. henteko (henteko) 2144
146. kt3k (Yoshiya Hinosawa) 2116
147. ochko (Ochko) 2086
148. rhysd (Linda_pp) 2086
149. b4b4r07 (Masaki ISHIYAMA) 2075
150. cdepillabout (Dennis Gosnell) 2070
151. TakuSemba (TakuSemba) 2070
152. satococoa (Satoshi Ebisawa) 2068
153. kazeburo (Masahiro Nagano) 2065
154. shirou (shirou) 2063
155. tenntenn (Takuya Ueda) 2062
156. ogaclejapan (ogaclejapan) 2049
157. keijiro (Keijiro Takahashi) 2026
158. mtsmfm (Fumiaki MATSUSHIMA) 2025
159. takahirom (Takahiro Menju) 2024
160. otiai10 (OCHIAI, Hiromu) 2020
161. utahta (Yuta Uekusa) 2012
162. deltaluca (Luca Deltodesco) 2003
163. wakinchan (Yusuke Kuroiwa) 1993
164. take-cheeze (Takeshi Watanabe) 1980
165. noppoMan (Yuki Takei) 1978
166. ayapi (ayapi) 1937
167. akkyie (Akio Yasui) 1923
168. kohei-takata (Kohei TAKATA) 1923
169. willnet (Shinichi Maeshima) 1922
170. abouthiroppy (Yuta Hiroto) 1918
171. mattd429 (Matthew Brown) 1914
172. tomo0111 (tm0111) 1912
173. kengonakajima (Kengo Nakajima) 1905
174. hnakamur (Hiroaki Nakamura) 1887
175. onevcat (Wei Wang) 1883
176. shimizukawa (Takayuki SHIMIZUKAWA) 1874
177. yysskk (Yusuke Morishita) 1852
178. freedomofkeima (Iskandar Setiadi) 1849
179. hsbt (SHIBATA Hiroshi) 1848
180. shinout (Shin Suzuki) 1839
181. c-bata (Masashi SHIBATA) 1839
182. bouzuya (bouzuya) 1837
183. yasulab (Yohei Yasukawa) 1827
184. a-r-g-v (Yuki Mukasa ( a_r_g_v )) 1820
185. MaxMEllon (Kento TSUJI) 1819
186. mitmul (Shunta Saito) 1817
187. hiratara (Masahiro Honma) 1809
188. lyokato (Lyo Kato) 1803
189. cosmo0920 (Hiroshi Hatake) 1802
190. dakatsuka (Dai Akatsuka) 1795
191. nobu (Nobuyoshi Nakada) 1770
192. tekezo (Takayama Fumihiko) 1768
193. kakajika (Keita Kajiwara) 1754
194. t-hiroyoshi (Hiroyoshi Takahashi) 1750
195. mitsuse (Tomoya Kose) 1742
196. jmettraux (John Mettraux) 1734
197. 130s (Isaac I.Y. Saito) 1731
198. tatsuyah (Tatsuya) 1721
199. sile (Takeru Ohta) 1717
200. ymrl (ymrl) 1715
201. tyabe (Takeshi Yabe) 1714
202. koriym (Akihito Koriyama) 1711
203. ojii (Jonas Obrist) 1701
204. futoase (Keiji Matsuzaki) 1695
205. ne-sachirou (さっちゃん) 1679
206. hkurokawa (Hiroshi Kurokawa) 1673
207. yucao24hours (Yuka Kato) 1671
208. kyo-ago (kyo_ago) 1668
209. kevincobain2000 (Pulkit Kathuria) 1662
210. toruta39 (Joshua Zhang) 1661
211. cocopon (Hiroki Kokubun) 1661
212. dav009 (David Przybilla) 1655
213. AkihiroSuda (Akihiro Suda) 1644
214. builtinnya (Naoto Yokoyama) 1641
215. matthew-andrews (Matt Andrews) 1634
216. dai0304 (MIYAMOTO Daisuke) 1634
217. Watson1978 (Watson) 1601
218. eccyan (eccyan) 1595
219. snoozer05 (SHIMADA Koji) 1583
220. odashi (Yusuke Oda) 1576
221. shokai (Sho Hashimoto) 1568
222. hail2u (Kyo Nagashima) 1563
223. i-saint (Seiya Ishibashi) 1559
224. k1LoW (Ken’ichiro Oyama) 1557
225. r-plus (r-plus) 1551
226. dtan4 (Daisuke Fujita) 1540
227. yanarchy (Yan Fan) 1539
228. aereal (aereal) 1519
229. 1amageek (1amageek) 1504
230. ktsn (katashin) 1489
231. ykob (yoichi kobayashi) 1483
232. ikesyo (Sho Ikeda) 1481
233. uasi (Tomoki Aonuma) 1479
234. ichigotake (ichigotake) 1475
235. terkel (Takeru Suzuki) 1473
236. inc2734 (Takashi Kitajima) 1466
237. znz (Kazuhiro NISHIYAMA) 1457
238. kyanny (Kensuke Nagae) 1456
239. akio0911 (Shingo Sato) 1454
240. r9y9 (Ryuichi Yamamoto) 1447
241. himkt (himkt) 1441
242. kishikawakatsumi (Kishikawa Katsumi) 1438
243. yoshiko-pg (よしこ) 1434
244. asonas (Yuya Fujiwara) 1432
245. twada (Takuto Wada) 1427
246. novi (Yusuke Ito) 1427
247. susieyy (yohei sugigami) 1424
248. kazuki43zoo (Kazuki Shimizu) 1422
249. boxp (Keitaro Takeuchi) 1413
250. pastak (pastak) 1411
251. etdev (Eric Turner) 1405
252. tatsuhiro-t (Tatsuhiro Tsujikawa) 1403
253. entotsu (Takuya Okamoto) 1400
254. mzp (MIZUNO Hiroki) 1395
255. hagino3000 (Takashi Nishibayashi) 1387
256. hvy (Hiroyuki Vincent Yamazaki) 1382

Organizations

Rank Organization Members
1. ruby 10
2. vim-jp 8
3. quipper 8
4. potatotips 6
5. DroidKaigi 5
6. java-ja 5
7. wantedly 5
8. ranguba 5
9. RxSwiftCommunity 5
10. ruby-no-kai 5