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" (870,057 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
Hidehiko Kumagai
applied microbiology
enzymology
fermentation
Metrics
H-Index
i10 Index
Citation
71
267
16,778
* Rankings
Ranking Based On Selection: 2
Norihiko Misawa (三沢典彦)
Pathway Engineering
Metabolic Engineering
Synthetic Biology
Carotenoids
Terpenes
Metrics
H-Index
i10 Index
Citation
66
162
13,937
* Rankings
Ranking Based On Selection: 3
Kenji Yamamoto
glycoscience
enzymology
lactic acid bacteria
glycoconjugate
glycosidase
Metrics
H-Index
i10 Index
Citation
57
177
10,964
* Rankings
Ranking Based On Selection: 8
Kenji Matsumoto
Food functionality
Type 2 diabetes
indigestible polysaccharides
persimmon
Metrics
H-Index
i10 Index
Citation
32
52
3,650
* Rankings
Ranking Based On Selection: 9
Shin Kurihara
ポリアミン
腸内細菌
共生
polyamines
gut microbe
Metrics
H-Index
i10 Index
Citation
30
46
3,414

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* Rankings
Ranking Based On Selection: 20
Tomohiro Imamura
plant molecular biology
plant biotechnology
horticulture
Metrics
H-Index
i10 Index
Citation
18
24
1,167
* Rankings
Ranking Based On Selection: 24
Akira Nakagawa
E. coli transcription
Stress response
Synthetic promoter
Supercoiling
Metrics
H-Index
i10 Index
Citation
15
17
1,169
* Rankings
Ranking Based On Selection: 31
Yamashita Ryohei (山下良平)
Regional Science
Environmental research
Natural resource management
Disaster risk reduction
Metrics
H-Index
i10 Index
Citation
8
4
234
* Rankings
Ranking Based On Selection: 32
澤田忠幸
発達心理学,教育心理学,初年次教育
Metrics
H-Index
i10 Index
Citation
7
6
154
* Rankings
Ranking Based On Selection: 33
Ryohei Kida
Nursing management
Nursing policy
Organizational management
Metrics
H-Index
i10 Index
Citation
6
4
118
* Rankings
Ranking Based On Selection: 35
濵耕子
Llife science
Quality of Life
Maternal and perinatal health
Metrics
H-Index
i10 Index
Citation
4
0
49
* Rankings
Ranking Based On Selection: 37
森 丈久
水利施設,補修工法,機能診断
Metrics
H-Index
i10 Index
Citation
1
1
18
Rankings
Ranking Based On Selection: 1
Hidehiko Kumagai
Metrics
H-Index
i10 Index
Citation Counts
71
267
16,778
Rankings
Ranking Based On Selection: 2
Norihiko Misawa (三沢典彦)
Metrics
H-Index
i10 Index
Citation Counts
66
162
13,937
Pathway Engineering
Metabolic Engineering
Synthetic Biology
Carotenoids
Terpenes
Rankings
Ranking Based On Selection: 3
Kenji Yamamoto
Metrics
H-Index
i10 Index
Citation Counts
57
177
10,964
glycoscience
enzymology
lactic acid bacteria
glycoconjugate
glycosidase
Rankings
Ranking Based On Selection: 4
Takanori Kobayashi
Metrics
H-Index
i10 Index
Citation Counts
48
66
10,798
Rankings
Ranking Based On Selection: 5
Masashi Mori
Metrics
H-Index
i10 Index
Citation Counts
36
62
4,971
Rankings
Ranking Based On Selection: 6
Shigeyuki Kawai
Metrics
H-Index
i10 Index
Citation Counts
36
62
3,889
Rankings
Ranking Based On Selection: 7
Kenji Ogura
Metrics
H-Index
i10 Index
Citation Counts
35
69
4,078
Rankings
Ranking Based On Selection: 8
Kenji Matsumoto
Metrics
H-Index
i10 Index
Citation Counts
32
52
3,650
Food functionality
Type 2 diabetes
indigestible polysaccharides
persimmon
Rankings
Ranking Based On Selection: 9
Shin Kurihara
Metrics
H-Index
i10 Index
Citation Counts
30
46
3,414
ポリアミン
腸内細菌
共生
polyamines
gut microbe
Rankings
Ranking Based On Selection: 10
Takashi Koyanagi
Metrics
H-Index
i10 Index
Citation Counts
27
41
2,431

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Yuji Honda
Metrics
H-Index
i10 Index
Citation Counts
27
48
2,409
Rankings
Ranking Based On Selection: 12
Yasuki Higashimura
Metrics
H-Index
i10 Index
Citation Counts
26
50
2,373
Rankings
Ranking Based On Selection: 13
Takeo Minematsu
Metrics
H-Index
i10 Index
Citation Counts
25
67
2,310
Rankings
Ranking Based On Selection: 14
Kazuo Iwasa
Metrics
H-Index
i10 Index
Citation Counts
25
51
1,938
Rankings
Ranking Based On Selection: 15
Toshiki Enomoto
Metrics
H-Index
i10 Index
Citation Counts
24
50
1,988
Rankings
Ranking Based On Selection: 16
Shumpei Kitamura
Metrics
H-Index
i10 Index
Citation Counts
24
36
2,001
Rankings
Ranking Based On Selection: 17
Miho Takemura
Metrics
H-Index
i10 Index
Citation Counts
23
41
2,216
Rankings
Ranking Based On Selection: 18
Hiromitsu Kobayashi
Metrics
H-Index
i10 Index
Citation Counts
21
23
1,512
Rankings
Ranking Based On Selection: 19
Eiji Tanaka
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,766
Rankings
Ranking Based On Selection: 20
Tomohiro Imamura
Metrics
H-Index
i10 Index
Citation Counts
18
24
1,167
plant molecular biology
plant biotechnology
horticulture
Rankings
Ranking Based On Selection: 21
Takao Nagano
Metrics
H-Index
i10 Index
Citation Counts
18
24
1,671
Rankings
Ranking Based On Selection: 22
Hiroyuki Takahara
Metrics
H-Index
i10 Index
Citation Counts
16
19
3,427
Rankings
Ranking Based On Selection: 23
Motohiro Shima
Metrics
H-Index
i10 Index
Citation Counts
16
20
890
Rankings
Ranking Based On Selection: 24
Akira Nakagawa
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,169
E. coli transcription
Stress response
Synthetic promoter
Supercoiling
Rankings
Ranking Based On Selection: 26
Mei Gao-Takai
Metrics
H-Index
i10 Index
Citation Counts
14
17
911
Rankings
Ranking Based On Selection: 27
ヤナイセイジ
Metrics
H-Index
i10 Index
Citation Counts
14
18
864
Rankings
Ranking Based On Selection: 28
Yasunori Baba
Metrics
H-Index
i10 Index
Citation Counts
13
16
648
Rankings
Ranking Based On Selection: 29
Chiaki Matsuzaki
Metrics
H-Index
i10 Index
Citation Counts
13
16
613
Rankings
Ranking Based On Selection: 30
Takuji Hirayama
Metrics
H-Index
i10 Index
Citation Counts
8
8
257
Rankings
Ranking Based On Selection: 31
Yamashita Ryohei (山下良平)
Metrics
H-Index
i10 Index
Citation Counts
8
4
234
Regional Science
Environmental research
Natural resource management
Disaster risk reduction
Rankings
Ranking Based On Selection: 32
澤田忠幸
Metrics
H-Index
i10 Index
Citation Counts
7
6
154
発達心理学,教育心理学,初年次教育
Rankings
Ranking Based On Selection: 33
Ryohei Kida
Metrics
H-Index
i10 Index
Citation Counts
6
4
118
Nursing management
Nursing policy
Organizational management
Rankings
Ranking Based On Selection: 34
清水暢子
Metrics
H-Index
i10 Index
Citation Counts
4
3
156
Rankings
Ranking Based On Selection: 35
濵耕子
Metrics
H-Index
i10 Index
Citation Counts
4
0
49
Llife science
Quality of Life
Maternal and perinatal health
Rankings
Ranking Based On Selection: 36
曽山小織|Saori Soyama
Metrics
H-Index
i10 Index
Citation Counts
3
0
20
Rankings
Ranking Based On Selection: 37
森 丈久
Metrics
H-Index
i10 Index
Citation Counts
1
1
18
水利施設,補修工法,機能診断