Most active GitHub users in Japan

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 2026-02-28 12:00:40 +0000 and machine-readable JSON is available for:

• rank-only with categories

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 contributions for each user. There are 131417 total users in the region and you need at least 215 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:

[![committers.top badge](https://user-badge.committers.top/japan_public/USERNAME.svg)](https://user-badge.committers.top/japan_public/USERNAME)

[![committers.top badge](https://org-badge.committers.top/japan_public/ORGNAME.svg)](https://org-badge.committers.top/japan_public/ORGNAME)

• Commits
• Contributions
• All

Rank	User	Contribs	Picture
1.	bannzai (bannzai)	36441
2.	yuiseki (yuiseki)	14163
3.	tokuhirom (Tokuhiro Matsuno)	9715
4.	mizchi (Kotaro Chikuba)	9035
5.	suzuki-shunsuke (Shunsuke Suzuki)	8504
6.	sile (Takeru Ohta)	8364
7.	manman4 (manman4)	8332
8.	guitarrapc (Ikiru Yoshizaki)	8175
9.	j5ik2o (Junichi Kato)	7722
10.	yanorei32 (Ray Yano | あねてあ)	7681
11.	sue445 (Go Sueyoshi)	7113
12.	xuwei-k (kenji yoshida)	6729
13.	azu (azu)	6725
14.	shinh (Shinichiro Hamaji)	6631
15.	unhappychoice (Yuji Ueki)	6562
16.	ashryanbeats (Ash Ryan Arnwine)	6379
17.	ryota-murakami (Ryota Murakami)	6370
18.	sapphi-red (翠)	6123
19.	miyako (Keisuke Miyako)	6073
20.	taiki-e (Taiki Endo)	5978
21.	harupy (Harutaka Kawamura)	5942
22.	ianlewis (Ian Lewis)	5733
23.	koriym (Akihito Koriyama)	5511
24.	k1LoW (Ken’ichiro Oyama)	5098
25.	yuki-kimoto (Yuki Kimoto)	5032
26.	kou (Sutou Kouhei)	5027
27.	bobbens (Edgar Simo-Serra)	5006
28.	AkihiroSuda (Akihiro Suda)	4998
29.	shogo82148 (ICHINOSE Shogo)	4833
30.	tekezo (Takayama Fumihiko)	4727
31.	hakatashi (Koki Takahashi)	4702
32.	hsbt (Hiroshi SHIBATA)	4619
33.	hi-ogawa (Hiroshi Ogawa)	4361
34.	yasulab (Yohei Yasukawa)	4324
35.	peppy (Dean Herbert)	4242
36.	yuwata (Yu Watanabe)	3976
37.	tkoyama010 (Tetsuo Koyama)	3757
38.	haya14busa (haya14busa)	3749
39.	toastkidjp (Toast kid)	3727
40.	sorairolake (Shun Sakai)	3558
41.	terasakisatoshi (Satoshi Terasaki)	3444
42.	halogenandtoast (Matthew Mongeau)	3387
43.	ykzts (Yamagishi Kazutoshi)	3381
44.	amatsuda (Akira Matsuda)	3344
45.	winebarrel (Genki Sugawara)	3335
46.	whitphx (Yuichiro Tachibana (Tsuchiya))	3300
47.	EdamAme-x (EdamAmex)	3253
48.	making (Toshiaki Maki)	3241
49.	lambdalisue (Λlisue)	3210
50.	fumiya-kume (kuu(Fumiya Kume))	3190
51.	koxudaxi (Koudai Aono)	3080
52.	hajimehoshi (Hajime Hoshi)	3025
53.	Hiroshiba (Hiroshiba)	3005
54.	aviatesk (Shuhei Kadowaki)	2987
55.	sevenc-nanashi (Nanashi.)	2949
56.	anatawa12 (anatawa12)	2885
57.	yamadashy (Kazuki Yamada)	2789
58.	yutkat (Yuta Katayama)	2771
59.	mattn (mattn)	2701
60.	YumNumm (Ryotaro Onoue)	2698
61.	coliff (Christian Oliff)	2666
62.	hakuturu583 (Masaya Kataoka)	2634
63.	tatsuhiro-t (Tatsuhiro Tsujikawa)	2630
64.	mcgoon (van)	2596
65.	PINTO0309 (Katsuya Hyodo)	2595
66.	fujiwara (FUJIWARA Shunichiro)	2574
67.	fujitatomoya (Tomoya Fujita)	2552
68.	gkjohnson (Garrett Johnson)	2552
69.	mashharuki (Haruki Kondo)	2481
70.	miurahr (Hiroshi Miura)	2377
71.	ursm (Keita Urashima)	2315
72.	kazupon (kazuya kawaguchi)	2285
73.	tmori (Takashi Mori)	2271
74.	nobu (Nobuyoshi Nakada)	2260
75.	asukaminato0721 (Asuka Minato)	2260
76.	yshrsmz (Yasuhiro SHIMIZU)	2222
77.	MagicalTux (Mark Karpelès)	2201
78.	norbusan (Norbert Preining)	2193
79.	conao3 (Naoya Yamashita)	2166
80.	hoochanlon (123456)	2156
81.	kishikawakatsumi (Kishikawa Katsumi)	2153
82.	komagata (Masaki Komagata)	2084
83.	koic (Koichi ITO)	2074
84.	yusukebe (Yusuke Wada)	2073
85.	atsushieno (Atsushi Eno)	2056
86.	keijiro (Keijiro Takahashi)	2045
87.	dalance (Naoya Hatta)	2035
88.	seratch (Kazuhiro Sera)	2023
89.	eltociear (Ikko Eltociear Ashimine)	2015
90.	akatsuki105 (Akatsuki)	2005
91.	gfx (FUJI Goro)	1989
92.	kateinoigakukun (Yuta Saito)	1971
93.	ota-meshi (Yosuke Ota)	1964
94.	JohnTitor (Yuki Okushi)	1958
95.	syuilo (syuilo)	1954
96.	smoogipoo (Dan Balasescu)	1953
97.	cpojer (Christoph Nakazawa)	1926
98.	1amageek (1amageek)	1923
99.	1024jp (1024jp)	1920
100.	mopemope (Yutaka Matsubara)	1911
101.	nateberkopec (Nate Berkopec)	1909
102.	takahirom (Takahiro Menju)	1888
103.	yutannihilation (Hiroaki Yutani)	1863
104.	luadebug (Saikari)	1845
105.	taisukef (Taisuke Fukuno)	1836
106.	Jannchie (Jianqi Pan)	1823
107.	Saul-Mirone (Mirone)	1813
108.	siketyan (Naoki Ikeguchi)	1804
109.	atztogo (Atsushi Togo)	1798
110.	sideshowbarker ()	1767
111.	dai-shi (Daishi Kato)	1762
112.	int128 (Hidetake Iwata)	1723
113.	shimbaco (Shimba, Koji)	1722
114.	skanehira (skanehira)	1694
115.	ubugeeei (ubugeeei)	1682
116.	matz (Yukihiro "Matz" Matsumoto)	1674
117.	mumoshu (Yusuke Kuoka)	1659
118.	kt3k (Yoshiya Hinosawa)	1656
119.	mayocream (Mayo Takanashi)	1622
120.	Songmu (Masayuki Matsuki)	1606
121.	inokawa ()	1600
122.	domenic (Domenic Denicola)	1589
123.	noborus (Noboru Saito)	1567
124.	Watson1978 (Shizuo Fujita)	1567
125.	mizzy (Gosuke Miyashita)	1563
126.	ksoichiro (Soichiro Kashima)	1555
127.	Shougo (Shougo)	1514
128.	privatenumber (Hiroki Osame)	1498
129.	jsakamoto ()	1491
130.	tatsuyafujisaki (Tatsuya Fujisaki)	1490
131.	lhl (Leonard)	1486
132.	lestrrat (lestrrat)	1479
133.	nobuyuki83 (Nobuyuki Umetani)	1462
134.	kmizu (Kota Mizushima)	1435
135.	zcbenz (Cheng)	1429
136.	zchee (Koichi Shiraishi)	1427
137.	rigaya (rigaya)	1418
138.	onevcat (Wei Wang)	1413
139.	koron (MURAOKA Taro)	1385
140.	kyamagu (Kota Yamaguchi)	1381
141.	mosuka (Minoru OSUKA)	1380
142.	smorimoto (Sora Morimoto)	1378
143.	rhysd (Linda_pp)	1366
144.	ktoso (Konrad `ktoso` Malawski)	1356
145.	momeemt (Mutsuha Asada)	1347
146.	cho45 (Satoh, Hiroh)	1339
147.	mpyw (mpyw)	1329
148.	kaityo256 (Hiroshi Watanabe)	1323
149.	davetang (Dave Tang)	1321
150.	usualoma (Taku Amano)	1306
151.	nwiizo (nwiizo)	1300
152.	rmackay9 (Randy Mackay)	1295
153.	youtalk (Yutaka Kondo)	1293
154.	pocke (Masataka Pocke Kuwabara)	1286
155.	syohex (Shohei YOSHIDA)	1281
156.	wkentaro (Kentaro Wada)	1274
157.	uzulla (uzulla / Junichi Ishida)	1272
158.	soutaro (Soutaro Matsumoto)	1268
159.	deepak1556 (Robo)	1259
160.	sorah (Sorah Fukumori)	1256
161.	sugyan (Yoshihiro Sugi)	1256
162.	Saqoosha (Saqoosha)	1255
163.	miurla (Yoshiki Miura)	1239
164.	neka-nat (k-tanaka)	1238
165.	Him188 (Him188)	1236
166.	yowatanabe (Yoshiyuki Watanabe)	1210
167.	msakai (Masahiro Sakai)	1195
168.	vraestoren (huok)	1183
169.	masarakki (masarakki)	1171
170.	kazu-yamamoto (Kazu Yamamoto)	1170
171.	sksat (sksat)	1161
172.	muukii (Hiroshi Kimura)	1158
173.	taichi-ishitani (Taichi Ishitani)	1155
174.	fa0311 (ふぁ)	1146
175.	Koras02 (kobiad_ros)	1128
176.	NicolasDorier (Nicolas Dorier)	1121
177.	icoxfog417 (Takahiro Kubo)	1121
178.	sigma7863 (Sigma)	1113
179.	uezo (uezo)	1106
180.	anuraaga (Anuraag (Rag) Agrawal)	1088
181.	willnet (Shinichi Maeshima)	1037
182.	qnighy (Masaki Hara)	1037
183.	lacolaco (Suguru Inatomi)	1034
184.	neuecc (Yoshifumi Kawai)	1024
185.	repeatedly (Masahiro Nakagawa)	1021
186.	takahashim (Masayoshi Takahashi)	1016
187.	c-bata (c-bata)	1014
188.	lepture (Hsiaoming Yang)	1013
189.	nuskey8 (Yusuke Nakada)	1012
190.	zonuexe (USAMI Kenta)	1012
191.	piroor (YUKI "Piro" Hiroshi)	1006
192.	cosmo0920 (Hiroshi Hatake)	1001
193.	nagadomi ()	995
194.	walf443 (Keiji, Yoshimi)	995
195.	dvcrn (David)	982
196.	konn (Hiromi Ishii)	978
197.	kitao (Takashi Kitao)	977
198.	ninoseki (Manabu Niseki)	977
199.	shyouhei (卜部昌平)	974
200.	udzura (Kondo Uchio)	970
201.	machida (machida)	966
202.	hatoo ()	952
203.	kazuho (Kazuho Oku)	952
204.	shogo4405 (shogo4405)	950
205.	fygar256 (Taisuke Maekawa)	950
206.	aliceinwire (Arisu Tachibana)	949
207.	AungKaung1928 (Aung Kaung Myat)	949
208.	otiai10 (Hiromu OCHIAI)	939
209.	Kamesuta (Kamesuta)	931
210.	reindex-ot (Re*Index. (ot_inc))	923
211.	p-chan (P-Chan)	921
212.	melpon (melpon)	920
213.	kazunori279 (Kaz Sato)	896
214.	at-wat (Atsushi Watanabe)	892
215.	martinheidegger (Martin Heidegger)	888
216.	fosskers (Colin Woodbury)	887
217.	knu (Akinori Musha)	882
218.	rinsuki (rinsuki)	882
219.	wasabeef (Daichi Furiya)	878
220.	hadashiA (hadashiA)	876
221.	iAJue (阿珏)	874
222.	akinomyoga (Koichi Murase)	867
223.	philwo (Philipp Wollermann)	867
224.	uhyo (uhyo)	862
225.	wass08 (Wassim SAMAD)	856
226.	termoshtt (Toshiki Teramura)	853
227.	tanaikech (Kanshi TANAIKE)	850
228.	cxxxr (cxxxr)	847
229.	fukamachi (Eitaro Fukamachi)	838
230.	matanki-saito ((*`・∀・´*))	834
231.	planetchili (chili)	829
232.	GOROman (GOROman)	814
233.	AchrafReyani (Achraf)	812
234.	nwtgck (Ryo Ota)	810
235.	kurone-kito (Kuroné Kito (黒音キト))	799
236.	cordx56 (Yuki Okamoto)	795
237.	ykob (Yoichi Kobayashi)	792
238.	nuta (Seiya Nuta)	786
239.	XiaomingX (Y11)	776
240.	sumimakito (Makito)	760
241.	hashrock (hashrock)	758
242.	mayuki (Mayuki Sawatari)	757
243.	wadackel (tsuyoshi wada)	745
244.	nakasyou (Shotaro Nakamura)	745
245.	rikusato0 (Riku Sato)	744
246.	s1204IT (Syuugo)	741
247.	kentaro (Kentaro Kuribayashi)	736
248.	ngs (Atsushi NAGASE)	734
249.	andrewmd5 (Andrew Sampson)	729
250.	xfoxfu (Yuze Fu)	728
251.	ryohey (ryohey)	726
252.	baku89 (Baku Hashimoto)	723
253.	nicolas-raoul (Nicolas Raoul)	721
254.	shirakaba (Jamie Birch)	714
255.	kenjinote (kenji)	711
256.	lovyan03 (lovyan03)	705

Organizations