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" (873,688 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: 1
Hidenori Arai
geriatrics
lipid
atherosclerosis
sarcopenia
frailty
Metrics
H-Index
i10 Index
Citation
97
385
48,650
* Rankings
Ranking Based On Selection: 3
Keisuke Maeda
Geriatric Nutrition
Dysphagia
Sarcopenia
Frailty
Aspiration pneumonia
Metrics
H-Index
i10 Index
Citation
40
108
5,590
* Rankings
Ranking Based On Selection: 7
Giovanni Sala
aging
cognitive training
meta-analysis
machine learning
mouse behavior
Metrics
H-Index
i10 Index
Citation
26
32
4,323
* Rankings
Ranking Based On Selection: 9
Keitaro Makino
Epidemiology
Public health
Gerontology
Physiotherapy
Metrics
H-Index
i10 Index
Citation
24
49
2,106

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* Rankings
Ranking Based On Selection: 13
Kenji Kato
Neuroscience
Biomechanics
Brain-Computer Interface
Assistive Technology
Robotics
Metrics
H-Index
i10 Index
Citation
14
16
584
Rankings
Ranking Based On Selection: 1
Hidenori Arai
Metrics
H-Index
i10 Index
Citation Counts
97
385
48,650
geriatrics
lipid
atherosclerosis
sarcopenia
frailty
Rankings
Ranking Based On Selection: 2
Hiroyuki Shimada
Metrics
H-Index
i10 Index
Citation Counts
62
148
13,636
Rankings
Ranking Based On Selection: 3
Keisuke Maeda
Metrics
H-Index
i10 Index
Citation Counts
40
108
5,590
Geriatric Nutrition
Dysphagia
Sarcopenia
Frailty
Aspiration pneumonia
Rankings
Ranking Based On Selection: 4
Yasuyuki Kimura
Metrics
H-Index
i10 Index
Citation Counts
35
77
4,536
Rankings
Ranking Based On Selection: 5
重水 大智 Daichi Shigemizu
Metrics
H-Index
i10 Index
Citation Counts
28
42
2,827
Rankings
Ranking Based On Selection: 6
Akihiko Nishikimi
Metrics
H-Index
i10 Index
Citation Counts
28
37
2,654
Rankings
Ranking Based On Selection: 7
Giovanni Sala
Metrics
H-Index
i10 Index
Citation Counts
26
32
4,323
aging
cognitive training
meta-analysis
machine learning
mouse behavior
Rankings
Ranking Based On Selection: 8
今井剛 Takeshi Imai
Metrics
H-Index
i10 Index
Citation Counts
25
38
3,348
ケミカルバイオロジー
Rankings
Ranking Based On Selection: 9
Keitaro Makino
Metrics
H-Index
i10 Index
Citation Counts
24
49
2,106
Epidemiology
Public health
Gerontology
Physiotherapy
Rankings
Ranking Based On Selection: 10
Zhang S
Metrics
H-Index
i10 Index
Citation Counts
22
41
1,514

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Rankings
Ranking Based On Selection: 11
Masataka Sugimoto
Metrics
H-Index
i10 Index
Citation Counts
22
29
3,548
Rankings
Ranking Based On Selection: 12
Takeshi Nakagawa|中川威
Metrics
H-Index
i10 Index
Citation Counts
20
32
1,563
Gerontology
Healthy Aging
Lifespan Development
Well-being
Rankings
Ranking Based On Selection: 13
Kenji Kato
Metrics
H-Index
i10 Index
Citation Counts
14
16
584
Neuroscience
Biomechanics
Brain-Computer Interface
Assistive Technology
Robotics
Rankings
Ranking Based On Selection: 14
Yoshihiro Kugimiya
Metrics
H-Index
i10 Index
Citation Counts
13
13
580
Rankings
Ranking Based On Selection: 15
Osamu Katayama
Metrics
H-Index
i10 Index
Citation Counts
13
17
490
Rankings
Ranking Based On Selection: 16
Yuto Kiuchi
Metrics
H-Index
i10 Index
Citation Counts
8
6
189
Rankings
Ranking Based On Selection: 17
Yu Hirota
Metrics
H-Index
i10 Index
Citation Counts
4
4
83
Rankings
Ranking Based On Selection: 20
中村純也
Metrics
H-Index
i10 Index
Citation Counts
1
0
1