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 2026-07-22 00:06:44 +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 commits for each user. There are 0 total users in the region and you need at least 892 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/USERNAME.svg)](https://user-badge.committers.top/japan/USERNAME)

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

• Commits
• Contributions
• All

Rank	User	Contribs	Picture
1.	mizchi (Kotaro Chikuba)	15912
2.	tokuhirom (Tokuhiro Matsuno)	12472
3.	syoyo (Syoyo Fujita)	9420
4.	unhappychoice (Yuji Ueki)	8710
5.	manman4 (manman4)	8522
6.	tekezo (Takayama Fumihiko)	8435
7.	taiki-e (Taiki Endo)	6837
8.	ko1 (Koichi Sasada)	6320
9.	matz (Yukihiro "Matz" Matsumoto)	6210
10.	hsbt (Hiroshi SHIBATA)	5921
11.	azu (azu)	5536
12.	lestrrat (lestrrat)	4978
13.	mumoshu (Yusuke Kuoka)	4705
14.	PINTO0309 (Katsuya Hyodo)	4654
15.	sxzz (Kevin Deng)	4571
16.	mattn (mattn)	4531
17.	amatsuda (Akira Matsuda)	3694
18.	sapphi-red (翠)	3451
19.	wkentaro (Kentaro Wada)	3227
20.	hoochanlon (123456)	3005
21.	making (Toshiaki Maki)	2987
22.	gfx (FUJI Goro)	2832
23.	keijiro (Keijiro Takahashi)	2679
24.	kazupon (kazuya kawaguchi)	2667
25.	bee-san (Autumn (Bee))	2603
26.	Jannchie (Jianqi Pan)	2423
27.	hajimehoshi (Hajime Hoshi)	2291
28.	kishikawakatsumi (Kishikawa Katsumi)	2210
29.	nateberkopec (Nate Berkopec)	2200
30.	onevcat (Wei Wang)	2184
31.	gkjohnson (Garrett Johnson)	2176
32.	tatsuhiro-t (Tatsuhiro Tsujikawa)	2035
33.	AkihiroSuda (Akihiro Suda)	1994
34.	JohnTitor (Yuki Okushi)	1821
35.	cpojer (Christoph Nakazawa)	1744
36.	rob0pup (Robin)	1661
37.	sorah (Sorah Fukumori)	1599
38.	peppy (Dean Herbert)	1587
39.	kt3k (Yoshiya Hinosawa)	1576
40.	Shougo (Shougo)	1547
41.	privatenumber (Hiroki Osame)	1455
42.	haya14busa (haya14busa)	1449
43.	kazuho (Kazuho Oku)	1446
44.	mcgoon (van)	1443
45.	nobu (Nobuyoshi Nakada)	1391
46.	lepture (Hsiaoming Yang)	1364
47.	takahirom (Takahiro Menju)	1310
48.	TimOliver (Tim Oliver)	1258
49.	seratch (Kazuhiro Sera)	1253
50.	rui314 (Rui Ueyama)	1209
51.	craftzdog (Takuya Matsuyama)	1190
52.	rhysd (Linda_pp)	1152
53.	wasabeef (Daichi Furiya)	1108
54.	yusukebe (Yusuke Wada)	1102
55.	onyx766 (Onyx)	974
56.	eltociear (Ikko Eltociear Ashimine)	957
57.	SachaG (Sacha Greif)	898
58.	dai-shi (Daishi Kato)	887
59.	XiaomingX (Y11)	881
60.	syuilo (syuilo)	870
61.	NicolasDorier (Nicolas Dorier)	834
62.	fukamachi (Eitaro Fukamachi)	833
63.	bokuweb (bokuweb)	765
64.	hardfist (hardfist)	714
65.	smorimoto (Sora Morimoto)	708
66.	muukii (Hiroshi Kimura)	694
67.	guo-yu (Guo Yu)	666
68.	dsh0416 (Delton Ding)	659
69.	hiroppy (Yuta Hiroto)	651
70.	kenjinote (kenji)	632
71.	baku89 (Baku Hashimoto)	607
72.	ktoso (Konrad `ktoso` Malawski)	603
73.	mono0926 (mono — Masayuki Ono)	602
74.	domenic (Domenic Denicola)	600
75.	AchrafReyani (Achraf)	585
76.	nagadomi ()	581
77.	5ec1cff ()	561
78.	pilcrowonpaper (pilcrow)	559
79.	ykob (Yoichi Kobayashi)	558
80.	hoshinolina (Hoshino Lina)	501
81.	neuecc (Yoshifumi Kawai)	490
82.	sumimakito (Makito)	485
83.	mame (Yusuke Endoh)	478
84.	mrwhite4939 (MrWhite)	461
85.	nuta (Seiya Nuta)	448
86.	itchyny (itchyny)	439
87.	r7kamura (Ryo Nakamura)	386
88.	mattatz (Masatatsu Nakamura)	303
89.	LogicMason5 (Kotaro Watanabe)	297
90.	zcbenz (Cheng)	280
91.	mob-sakai (mob-sakai)	273
92.	hrsh7th (hrsh7th)	264
93.	matchai (Matan Kushner)	235
94.	twada (Takuto Wada)	201
95.	koide3 ()	184
96.	komavideo (komavideo)	167
97.	thagikura (Takeshi Hagikura)	157
98.	yuk7 (yuk7)	150
99.	ab25cq (ab25cq)	105
100.	kiaking (Kia King)	92
101.	brettwooldridge (Brett Wooldridge)	84
102.	TapXWorld ()	76
103.	acgotaku (雪月秋水)	61
104.	kevinzhow (Kevin)	61
105.	mariotaku (Mariotaku)	52
106.	marcan (Hector Martin)	49
107.	ryo-ma (ryo-ma)	48
108.	catnose99 (catnose)	33
109.	drakeet (Drakeet)	32
110.	shu223 (Shuichi Tsutsumi)	31
111.	AdiChat (Aditya Chatterjee)	29
112.	Santos-Enoque (Santos Enoque)	27
113.	dennybritz (Denny Britz)	24
114.	Hironsan (Hiroki Nakayama)	24
115.	ra1028 (Ryo Aoyama)	23
116.	haruue (Haruue)	21
117.	yoidea (ラムダ)	21
118.	mysticatea (Toru Nagashima)	21
119.	rikusato0 (Riku Sato)	18
120.	plouc (Raphaël Benitte)	15
121.	chomado (ちょまど | Madoka Chiyoda)	14
122.	xqq (xqq)	14
123.	Phineas ()	10
124.	xct (xct)	8
125.	kana (Kana Natsuno)	8
126.	JackVanta (🔵 Jack (Vanta) 🔵)	8
127.	kallydev (KallyDev)	7
128.	AtsushiSakai (Atsushi Sakai)	7
129.	Kaixhin (Kai Arulkumaran)	5
130.	BrambleXu (BrambleXu)	5
131.	Bunlong (Bunlong VAN)	5
132.	Desgard (Gua)	5
133.	simurai (simurai)	4
134.	ikeay (Ayaka Ikezawa)	2
135.	Mikubill (Kakigōri Maker)	2
136.	hecomi (hecomi)	2
137.	jrjohansson (Robert Johansson)	1
138.	cambecc (Cameron Beccario)	1
139.	yaraki (Yuichi Araki)	0
140.	blueimp (Sebastian Tschan)	0
141.	typcn ()	0
142.	hardmaru (hardmaru)	0
143.	naoya (Naoya Ito)	0
144.	r9y9 (Ryuichi Yamamoto)	0
145.	Lyche6666 (Lyche)	0
146.	sureJiang ()	0
147.	jamesknelson (James K Nelson)	0
148.	Sen-Takatsuki (Yoshimura Eto)	0
149.	trananhtuat (Tran Anh Tuat)	0
150.	i-saint (Seiya Ishibashi)	0

Organizations