Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,279 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Takao Yokota
steroid
Metrics
 
H-Index
i10 Index
Citation
71
227
20,204
* Rankings
Ranking Based On Selection: 4
Kazuo Okanoya
Biopsychology
Neuroetholog
Metrics
 
H-Index
i10 Index
Citation
61
253
13,514
* Rankings
Ranking Based On Selection: 6
Koichi Makimura
Medical Mycology
Space Medicine
Occupational medicine
Natural Histor
Metrics
 
H-Index
i10 Index
Citation
52
202
11,811
* Rankings
Ranking Based On Selection: 10
Toshifumi Mihashi
Physiological Optic
Metrics
 
H-Index
i10 Index
Citation
40
96
6,391
* Rankings
Ranking Based On Selection: 15
Hirotaka Suga
Plastic Surgery
Wound Healing
Regenerative Medicin
Metrics
 
H-Index
i10 Index
Citation
37
55
7,261
* Rankings
Ranking Based On Selection: 16
Chisato Hamashima
cancer screenin
Metrics
 
H-Index
i10 Index
Citation
34
55
5,652
* Rankings
Ranking Based On Selection: 19
Yasuhiko Kondo
Neuroendocrinology
Social Behavior
Pheromone
Olfactio
Metrics
 
H-Index
i10 Index
Citation
30
62
4,176
* Rankings
Ranking Based On Selection: 20
Tetsufumi Tanamoto
quantum computation
quantum information
semiconductor devices
securit
Metrics
 
H-Index
i10 Index
Citation
29
72
3,719
* Rankings
Ranking Based On Selection: 25
Tomoko Shinomura
Plant physiology
photomorphogenesis
microalga
Metrics
 
H-Index
i10 Index
Citation
25
30
3,717
Rankings
Ranking Based On Selection: 1
Hiroshi Kunugi (功刀浩)|Shigeo Okabe
Metrics
 
H-Index
i10 Index
Citation Counts
86
397
27,607
Rankings
Ranking Based On Selection: 2
Takao Yokota
Metrics
 
H-Index
i10 Index
Citation Counts
71
227
20,204
Rankings
Ranking Based On Selection: 3
Kazuhisa Sekimizu
Metrics
 
H-Index
i10 Index
Citation Counts
64
277
19,256
Rankings
Ranking Based On Selection: 4
Kazuo Okanoya
Metrics
 
H-Index
i10 Index
Citation Counts
61
253
13,514
Rankings
Ranking Based On Selection: 5
Tatsuya Mimura
Metrics
 
H-Index
i10 Index
Citation Counts
55
159
11,495
Rankings
Ranking Based On Selection: 6
Koichi Makimura
Metrics
 
H-Index
i10 Index
Citation Counts
52
202
11,811
Medical Mycology
Space Medicine
Occupational medicine
Natural Histor
Rankings
Ranking Based On Selection: 7
Toshihisa Murofushi
Metrics
 
H-Index
i10 Index
Citation Counts
51
122
10,116
Rankings
Ranking Based On Selection: 8
Shunya Uchida
Metrics
 
H-Index
i10 Index
Citation Counts
48
132
9,418
Rankings
Ranking Based On Selection: 9
Yukihiko Shirayama
Metrics
 
H-Index
i10 Index
Citation Counts
48
105
10,487
Rankings
Ranking Based On Selection: 10
Toshifumi Mihashi
Metrics
 
H-Index
i10 Index
Citation Counts
40
96
6,391
Rankings
Ranking Based On Selection: 11
Masahiro Shin
Metrics
 
H-Index
i10 Index
Citation Counts
39
109
5,538
Rankings
Ranking Based On Selection: 12
Hiroshi Hamamoto
Metrics
 
H-Index
i10 Index
Citation Counts
38
91
4,587
Rankings
Ranking Based On Selection: 13
Sén Takeda
Metrics
 
H-Index
i10 Index
Citation Counts
38
76
9,212
Rankings
Ranking Based On Selection: 14
Kuwahara Keisuke (桑原 恵介)|桑原恵介
Metrics
 
H-Index
i10 Index
Citation Counts
37
84
4,676
Rankings
Ranking Based On Selection: 15
Hirotaka Suga
Metrics
 
H-Index
i10 Index
Citation Counts
37
55
7,261
Rankings
Ranking Based On Selection: 16
Chisato Hamashima
Metrics
 
H-Index
i10 Index
Citation Counts
34
55
5,652
Rankings
Ranking Based On Selection: 17
Satoshi Takamatsu
Metrics
 
H-Index
i10 Index
Citation Counts
33
60
3,705
Rankings
Ranking Based On Selection: 18
Kaoru Kubokawa
Metrics
 
H-Index
i10 Index
Citation Counts
31
57
3,460
Rankings
Ranking Based On Selection: 19
Yasuhiko Kondo
Metrics
 
H-Index
i10 Index
Citation Counts
30
62
4,176
Rankings
Ranking Based On Selection: 20
Tetsufumi Tanamoto
Metrics
 
H-Index
i10 Index
Citation Counts
29
72
3,719
quantum computation
quantum information
semiconductor devices
securit
Rankings
Ranking Based On Selection: 21
寺脇博之|Hiroyuki Terawaki
Metrics
 
H-Index
i10 Index
Citation Counts
27
50
2,523
Rankings
Ranking Based On Selection: 22
Tsuyoshi Yamada
Metrics
 
H-Index
i10 Index
Citation Counts
27
60
3,216
Rankings
Ranking Based On Selection: 23
Masashi Asahina
Metrics
 
H-Index
i10 Index
Citation Counts
26
31
1,966
Rankings
Ranking Based On Selection: 24
Shigeru Nakamura
Metrics
 
H-Index
i10 Index
Citation Counts
26
51
2,595
Rankings
Ranking Based On Selection: 25
Tomoko Shinomura
Metrics
 
H-Index
i10 Index
Citation Counts
25
30
3,717