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 :2
Hill Kulu
Demography
Fertility
Migration
Health
Longitudinal Data Analysis
Metrics
H-Index
i10 Index
Citation
42
91
6,804
Robin Flowerdew
Spatial analysis
Migration
Geography of Health
Metrics
H-Index
i10 Index
Citation
40
77
7,763
Charles R Warren
Environmental management
energy geographies
glaciology
Metrics
H-Index
i10 Index
Citation
39
68
6,781
Nissa Finney
Migration
ethnicity
inequalities
mixed methods
Metrics
H-Index
i10 Index
Citation
24
42
2,765
Ifesinachi Okafor-Yarwood|Ife OkaforYarwood, I.M. Okafor-Yarwood
Environmental Justice
Maritime Security
Disputed Maritime Boundaries
Oceans Governance
BE
Metrics
H-Index
i10 Index
Citation
16
18
919
Rankings
Ranking Based On Selection: 1
JO Sharp
Metrics
H-Index
i10 Index
Citation Counts
45
78
10,488
Rankings
Ranking Based On Selection: 2
Hill Kulu
Metrics
H-Index
i10 Index
Citation Counts
42
91
6,804
Demography
Fertility
Migration
Health
Longitudinal Data Analysis
Rankings
Ranking Based On Selection: 3
Robin Flowerdew
Metrics
H-Index
i10 Index
Citation Counts
40
77
7,763
Spatial analysis
Migration
Geography of Health
Rankings
Ranking Based On Selection: 4
Charles R Warren
Metrics
H-Index
i10 Index
Citation Counts
39
68
6,781
Environmental management
energy geographies
glaciology
Rankings
Ranking Based On Selection: 5
Mike Kesby
Metrics
H-Index
i10 Index
Citation Counts
29
37
6,296
Rankings
Ranking Based On Selection: 6
David Mccollum
Metrics
H-Index
i10 Index
Citation Counts
25
38
2,329
Rankings
Ranking Based On Selection: 7
Nissa Finney
Metrics
H-Index
i10 Index
Citation Counts
24
42
2,765
Migration
ethnicity
inequalities
mixed methods
Rankings
Ranking Based On Selection: 8
Daniel Clayton
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,171
Rankings
Ranking Based On Selection: 9
Environmental Justice
Maritime Security
Disputed Maritime Boundaries
Oceans Governance
BE