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" (873,690 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
Zoltan Ungvari
Biology of Aging
Vascular biology
Cerebromicrovascular aging
Geroscience
Metrics
H-Index
i10 Index
Citation
103
284
34,832
Jolyn Fernandes
mitochondria
toxicology
metabolomics
redox regulation
posttranslational modifications
Metrics
H-Index
i10 Index
Citation
20
23
1,078
Rankings
Ranking Based On Selection: 1
Zoltan Ungvari
Metrics
H-Index
i10 Index
Citation Counts
103
284
34,832
Biology of Aging
Vascular biology
Cerebromicrovascular aging
Geroscience
Rankings
Ranking Based On Selection: 2
Arlan Richardson
Metrics
H-Index
i10 Index
Citation Counts
99
305
40,121
Rankings
Ranking Based On Selection: 3
Tomoko Obara
Metrics
H-Index
i10 Index
Citation Counts
25
29
4,940
zebrafish
medaka
glomerulus
diabetes
ciliopathy
Rankings
Ranking Based On Selection: 4
Jolyn Fernandes
Metrics
H-Index
i10 Index
Citation Counts
20
23
1,078
mitochondria
toxicology
metabolomics
redox regulation
posttranslational modifications
Rankings
Ranking Based On Selection: 5
Roger Astley
Metrics
H-Index
i10 Index
Citation Counts
19
24
888
Rankings
Ranking Based On Selection: 6
Sabira Mohammed
Metrics
H-Index
i10 Index
Citation Counts
14
20
925
Life sciences
Cancer Biology
Aging
Liver
Cell death