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 ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :11
Yoshinobu Kariya
cancer
integrin
osteopontin
laminin
post-translational modification
Metrics
H-Index
i10 Index
Citation
30
41
2,534
* Rankings
Ranking Based On Selection :15
Kenneth Nollet
transfusion medicine
radiation medical science
Metrics
H-Index
i10 Index
Citation
26
47
2,031
* Rankings
Ranking Based On Selection :20
Noriaki Kurita
Nephrology
Clinical Epidemiology
Geriatrics
Metrics
H-Index
i10 Index
Citation
24
52
1,760
* Rankings
Ranking Based On Selection :21
Rei Suzuki
Pancreatic tumor
Biliary tumor
Metrics
H-Index
i10 Index
Citation
24
50
1,857
* Rankings
Ranking Based On Selection :23
竹林由武
Clinical psychology
Positive Psychology
Psychiatry
Psychotherapy
Psychometrics
Metrics
H-Index
i10 Index
Citation
22
39
1,418
* Rankings
Ranking Based On Selection :27
Yujiro Kuroda
Clinical Psychology
Public Health
Sociology of health and illness
Metrics
H-Index
i10 Index
Citation
16
27
804
Masahiro Okamoto
Social Cognitive Neuroscience
Metrics
H-Index
i10 Index
Citation
9
9
311
Nobuhiro Nakamura
ゲージ理論,4次元トポロジー
Metrics
H-Index
i10 Index
Citation
9
8
155
Mudathir Bakhit
Neurosurgery
Cognitive Neuroscience
Neuroimage
Neuroanatomy
Metrics
H-Index
i10 Index
Citation
8
6
134
Yoshio Iguchi
Experimental Psychology
Behavioral Neuroscience
Neuropsychopharmacology
Metrics
H-Index
i10 Index
Citation
7
5
143
Hideki Sato
Cognitive Behavioral Therapy
Psychopathology
Depression
Rumination
Metrics
H-Index
i10 Index
Citation
5
3
78
Tetsuro Aita
General Internal Medicine
hospital medicine
Infectious diseases
clinical epidemiology
Metrics
H-Index
i10 Index
Citation
5
1
53
Maham Stanyon
Medical Education
Qualitative research
Telemedicine
General Practice
Metrics
H-Index
i10 Index
Citation
4
1
44
Rankings
Ranking Based On Selection: 1
Michio Shimabukuro
Metrics
H-Index
i10 Index
Citation Counts
64
186
24,188
Rankings
Ranking Based On Selection: 2
Tetsuya Ohira
Metrics
H-Index
i10 Index
Citation Counts
59
241
15,036
Rankings
Ranking Based On Selection: 3
Motoki Takagi
Metrics
H-Index
i10 Index
Citation Counts
44
128
6,652
Rankings
Ranking Based On Selection: 4
Shinobu Kitazume
Metrics
H-Index
i10 Index
Citation Counts
42
80
5,183
Rankings
Ranking Based On Selection: 5
Michiru Nishita
Metrics
H-Index
i10 Index
Citation Counts
41
52
8,823
Rankings
Ranking Based On Selection: 6
Yoshiyuki Suzuki
Metrics
H-Index
i10 Index
Citation Counts
36
151
7,103
Rankings
Ranking Based On Selection: 7
Toshifumi Takahashi
Metrics
H-Index
i10 Index
Citation Counts
35
65
3,825
Rankings
Ranking Based On Selection: 8
Hirokazu Okayama
Metrics
H-Index
i10 Index
Citation Counts
34
54
5,171
Rankings
Ranking Based On Selection: 9
Masaharu Tsubokura
Metrics
H-Index
i10 Index
Citation Counts
33
129
4,443
Rankings
Ranking Based On Selection: 10
Naokazu Inoue
Metrics
H-Index
i10 Index
Citation Counts
31
42
4,886
Rankings
Ranking Based On Selection: 11
Yoshinobu Kariya
Metrics
H-Index
i10 Index
Citation Counts
30
41
2,534
cancer
integrin
osteopontin
laminin
post-translational modification
Rankings
Ranking Based On Selection: 12
Fumio Shishido
Metrics
H-Index
i10 Index
Citation Counts
30
68
3,303
Rankings
Ranking Based On Selection: 13
Kazutomo Togashi
Metrics
H-Index
i10 Index
Citation Counts
28
67
3,545
Rankings
Ranking Based On Selection: 14
Motonobu Saito
Metrics
H-Index
i10 Index
Citation Counts
26
37
2,070
Rankings
Ranking Based On Selection: 15
Kenneth Nollet
Metrics
H-Index
i10 Index
Citation Counts
26
47
2,031
transfusion medicine
radiation medical science
Rankings
Ranking Based On Selection: 16
Mitsuhiro Hashimoto
Metrics
H-Index
i10 Index
Citation Counts
26
34
4,005
Rankings
Ranking Based On Selection: 17
Minoru Furuta
Metrics
H-Index
i10 Index
Citation Counts
25
33
3,639
Rankings
Ranking Based On Selection: 18
Tetsuro Yokokawa
Metrics
H-Index
i10 Index
Citation Counts
24
61
2,111
Rankings
Ranking Based On Selection: 19
Toyoaki Sawano
Metrics
H-Index
i10 Index
Citation Counts
24
59
1,701
Rankings
Ranking Based On Selection: 20
Noriaki Kurita
Metrics
H-Index
i10 Index
Citation Counts
24
52
1,760
Rankings
Ranking Based On Selection: 21
Rei Suzuki
Metrics
H-Index
i10 Index
Citation Counts
24
50
1,857
Pancreatic tumor
Biliary tumor
Rankings
Ranking Based On Selection: 22
Koichi Nishikawa
Metrics
H-Index
i10 Index
Citation Counts
24
41
2,140
Rankings
Ranking Based On Selection: 23
竹林由武
Metrics
H-Index
i10 Index
Citation Counts
22
39
1,418
Clinical psychology
Positive Psychology
Psychiatry
Psychotherapy
Psychometrics
Rankings
Ranking Based On Selection: 24
Kazuhiko Ikeda
Metrics
H-Index
i10 Index
Citation Counts
22
43
1,547
Rankings
Ranking Based On Selection: 25
Izumi Nakamura
Metrics
H-Index
i10 Index
Citation Counts
22
37
1,543
Rankings
Ranking Based On Selection: 26
Hitoshi Yokoyama
Metrics
H-Index
i10 Index
Citation Counts
17
28
1,110
Rankings
Ranking Based On Selection: 27
Yujiro Kuroda
Metrics
H-Index
i10 Index
Citation Counts
16
27
804
Clinical Psychology
Public Health
Sociology of health and illness
Rankings
Ranking Based On Selection: 28
Takashi Kimura
Metrics
H-Index
i10 Index
Citation Counts
16
25
1,364
Rankings
Ranking Based On Selection: 29
Kohshin Washiyama
Metrics
H-Index
i10 Index
Citation Counts
16
20
808
Rankings
Ranking Based On Selection: 30
Masao Miyake
Metrics
H-Index
i10 Index
Citation Counts
16
20
1,112
Rankings
Ranking Based On Selection: 31
Manabu Iwadate
Metrics
H-Index
i10 Index
Citation Counts
15
18
1,670
Rankings
Ranking Based On Selection: 32
Masatsugu Orui
Metrics
H-Index
i10 Index
Citation Counts
14
18
621
Rankings
Ranking Based On Selection: 33
Makoto Miyazaki
Metrics
H-Index
i10 Index
Citation Counts
14
16
672
Rankings
Ranking Based On Selection: 34
Tomoaki Nagai
Metrics
H-Index
i10 Index
Citation Counts
12
13
534
Rankings
Ranking Based On Selection: 35
Tomoo Hidaka
Metrics
H-Index
i10 Index
Citation Counts
10
12
415
Rankings
Ranking Based On Selection: 36
峯村浩之, Hiroyuki Minemura
Metrics
H-Index
i10 Index
Citation Counts
10
12
338
Rankings
Ranking Based On Selection: 37
Masahiro Okamoto
Metrics
H-Index
i10 Index
Citation Counts
9
9
311
Social Cognitive Neuroscience
Rankings
Ranking Based On Selection: 38
Nobuhiro Nakamura
Metrics
H-Index
i10 Index
Citation Counts
9
8
155
ゲージ理論,4次元トポロジー
Rankings
Ranking Based On Selection: 39
Mudathir Bakhit
Metrics
H-Index
i10 Index
Citation Counts
8
6
134
Neurosurgery
Cognitive Neuroscience
Neuroimage
Neuroanatomy
Rankings
Ranking Based On Selection: 40
Naoya Sato
Metrics
H-Index
i10 Index
Citation Counts
7
7
157
Rankings
Ranking Based On Selection: 41
Katsuki Mukaigasa
Metrics
H-Index
i10 Index
Citation Counts
7
5
310
Rankings
Ranking Based On Selection: 42
Yoshio Iguchi
Metrics
H-Index
i10 Index
Citation Counts
7
5
143
Experimental Psychology
Behavioral Neuroscience
Neuropsychopharmacology
Rankings
Ranking Based On Selection: 43
Hideki Sato
Metrics
H-Index
i10 Index
Citation Counts
5
3
78
Cognitive Behavioral Therapy
Psychopathology
Depression
Rumination
Rankings
Ranking Based On Selection: 44
Tomoyuki Kobayashi
Metrics
H-Index
i10 Index
Citation Counts
5
3
74
Rankings
Ranking Based On Selection: 45
Tetsuro Aita
Metrics
H-Index
i10 Index
Citation Counts
5
1
53
General Internal Medicine
hospital medicine
Infectious diseases
clinical epidemiology
Rankings
Ranking Based On Selection: 46
川又寛徳
Metrics
H-Index
i10 Index
Citation Counts
5
2
125
Rankings
Ranking Based On Selection: 47
Prajwal Neupane
Metrics
H-Index
i10 Index
Citation Counts
4
4
69
Rankings
Ranking Based On Selection: 48
Maham Stanyon
Metrics
H-Index
i10 Index
Citation Counts
4
1
44
Medical Education
Qualitative research
Telemedicine
General Practice