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 :1
Michio Aoyama
Geochemistry
Ocean science
Environmental radioactivity
Metrics
H-Index
i10 Index
Citation
53
146
9,110
Kozue Nishida (西田 梢)
Paleontology
Biomineralization
Stable Isotope Geochemistry
Metrics
H-Index
i10 Index
Citation
12
15
365
Miyazawa Kento
taxonomy
lichens
foliicolous lichens
photobionts
Metrics
H-Index
i10 Index
Citation
1
0
5
Rankings
Ranking Based On Selection: 1
Michio Aoyama
Metrics
H-Index
i10 Index
Citation Counts
53
146
9,110
Geochemistry
Ocean science
Environmental radioactivity
Rankings
Ranking Based On Selection: 2
Yuji Yagi
Metrics
H-Index
i10 Index
Citation Counts
37
63
4,355
Rankings
Ranking Based On Selection: 3
Ryo Okuwaki
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,448
Rankings
Ranking Based On Selection: 4
Teruyuki Maruoka
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,395
Rankings
Ranking Based On Selection: 5
Kozue Nishida (西田 梢)
Metrics
H-Index
i10 Index
Citation Counts
12
15
365
Paleontology
Biomineralization
Stable Isotope Geochemistry
Rankings
Ranking Based On Selection: 6
Wataru Fujisaki
Metrics
H-Index
i10 Index
Citation Counts
10
10
287
Rankings
Ranking Based On Selection: 7
Tira Tadapansawut
Metrics
H-Index
i10 Index
Citation Counts
3
1
44
Rankings
Ranking Based On Selection: 8
Miyazawa Kento
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
taxonomy
lichens
foliicolous lichens
photobionts