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” (1,121,289 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: 3
Yoshitaka Hamashima
Organic chemistry
Asymmetric catalysis
Chemical biolog
Metrics
 
H-Index
i10 Index
Citation
49
110
8,847
* Rankings
Ranking Based On Selection: 10
Yoshinari, Kouichi 吉成浩一
Toxicology
Drug metabolism
Nuclear recepto
Metrics
 
H-Index
i10 Index
Citation
38
91
5,137
* Rankings
Ranking Based On Selection: 12
Masahiro Tokumura
Environmental engineering
Wastewater treatment
Indoor environment
Risk assessmen
Metrics
 
H-Index
i10 Index
Citation
32
63
3,611
* Rankings
Ranking Based On Selection: 15
Yasue Horiuchi
Medical genetics
Psychiatric genetics
Genetic counseling
Stem cell
Preventive genomic
Metrics
 
H-Index
i10 Index
Citation
30
54
3,308
* Rankings
Ranking Based On Selection: 19
Hirokazu Kobayashi
plant biotechnology
chloroplasts
gene expressio
Metrics
 
H-Index
i10 Index
Citation
28
52
5,476
* Rankings
Ranking Based On Selection: 22
Junichi Sawada
mitotic regulation
kinesin
mitotic Inhibitor
transcription factor
transcription Regulatio
Metrics
 
H-Index
i10 Index
Citation
25
33
3,392
* Rankings
Ranking Based On Selection: 23
Shin Ichiro Karaki
Gastrointestinal Physiolog
Metrics
 
H-Index
i10 Index
Citation
24
35
3,889
Rankings
Ranking Based On Selection: 1
Kiyoshi Mori
Metrics
 
H-Index
i10 Index
Citation Counts
64
133
26,212
Rankings
Ranking Based On Selection: 2
Kei Manabe
Metrics
 
H-Index
i10 Index
Citation Counts
53
117
10,541
Rankings
Ranking Based On Selection: 3
Yoshitaka Hamashima
Metrics
 
H-Index
i10 Index
Citation Counts
49
110
8,847
Organic chemistry
Asymmetric catalysis
Chemical biolog
Rankings
Ranking Based On Selection: 4
Kentaro Tamura
Metrics
 
H-Index
i10 Index
Citation Counts
46
74
6,164
Rankings
Ranking Based On Selection: 5
Satomi Onoue
Metrics
 
H-Index
i10 Index
Citation Counts
46
152
8,440
Rankings
Ranking Based On Selection: 6
Kazuo Kinoshita
Metrics
 
H-Index
i10 Index
Citation Counts
44
59
16,386
Rankings
Ranking Based On Selection: 7
Takeshi Usui
Metrics
 
H-Index
i10 Index
Citation Counts
40
99
9,897
Rankings
Ranking Based On Selection: 8
Shinji Miura 三浦進司|三浦進司
Metrics
 
H-Index
i10 Index
Citation Counts
38
72
6,857
Rankings
Ranking Based On Selection: 9
Junko Kurokawa
Metrics
 
H-Index
i10 Index
Citation Counts
38
61
5,462
Rankings
Ranking Based On Selection: 10
Yoshinari, Kouichi 吉成浩一
Metrics
 
H-Index
i10 Index
Citation Counts
38
91
5,137
Toxicology
Drug metabolism
Nuclear recepto
Rankings
Ranking Based On Selection: 11
Noriyuki Miyoshi
Metrics
 
H-Index
i10 Index
Citation Counts
36
79
4,424
Rankings
Ranking Based On Selection: 12
Masahiro Tokumura
Metrics
 
H-Index
i10 Index
Citation Counts
32
63
3,611
Environmental engineering
Wastewater treatment
Indoor environment
Risk assessmen
Rankings
Ranking Based On Selection: 13
Yasunori Iwao
Metrics
 
H-Index
i10 Index
Citation Counts
32
84
3,321
Rankings
Ranking Based On Selection: 14
Tomohisa Ishikawa
Metrics
 
H-Index
i10 Index
Citation Counts
31
75
4,899
Rankings
Ranking Based On Selection: 15
Yasue Horiuchi
Metrics
 
H-Index
i10 Index
Citation Counts
30
54
3,308
Medical genetics
Psychiatric genetics
Genetic counseling
Stem cell
Preventive genomic
Rankings
Ranking Based On Selection: 16
Takako Tomita
Metrics
 
H-Index
i10 Index
Citation Counts
30
71
3,749
Rankings
Ranking Based On Selection: 17
Takanori Kanazawa
Metrics
 
H-Index
i10 Index
Citation Counts
29
54
2,717
Rankings
Ranking Based On Selection: 18
Eiji Nakatani
Metrics
 
H-Index
i10 Index
Citation Counts
28
72
2,694
Biostatistics
Clinical studies and trials
Epidemiolog
Rankings
Ranking Based On Selection: 19
Hirokazu Kobayashi
Metrics
 
H-Index
i10 Index
Citation Counts
28
52
5,476
Rankings
Ranking Based On Selection: 20
Sohei Ito
Metrics
 
H-Index
i10 Index
Citation Counts
27
50
2,314
Rankings
Ranking Based On Selection: 21
Akira Minami
Metrics
 
H-Index
i10 Index
Citation Counts
27
48
2,114
Rankings
Ranking Based On Selection: 22
Junichi Sawada
Metrics
 
H-Index
i10 Index
Citation Counts
25
33
3,392
mitotic regulation
kinesin
mitotic Inhibitor
transcription factor
transcription Regulatio
Rankings
Ranking Based On Selection: 23
Shin Ichiro Karaki
Metrics
 
H-Index
i10 Index
Citation Counts
24
35
3,889
Gastrointestinal Physiolog
Rankings
Ranking Based On Selection: 24
Yuta Tsunematsu
Metrics
 
H-Index
i10 Index
Citation Counts
24
40
2,536
Rankings
Ranking Based On Selection: 25
Michio Sato
Metrics
 
H-Index
i10 Index
Citation Counts
23
35
1,779