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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,279 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Martin Gullström
Seascape Ecology
Seagrass Ecology
Fish and Fisheries
Blue Carbon
Global Chang
Metrics
 
H-Index
i10 Index
Citation
42
86
5,657
* Rankings
Ranking Based On Selection: 3
Nandita Singh
water governance
gender and water
human right to water
water resources managemen
Metrics
 
H-Index
i10 Index
Citation
36
162
6,831
* Rankings
Ranking Based On Selection: 4
Mats Grahn
Molecular Ecology
Evolutionary Ecology
Behavioural Ecology
Evolutionary Biology
Conservation Biolog
Metrics
 
H-Index
i10 Index
Citation
36
47
5,326
* Rankings
Ranking Based On Selection: 5
Kurt Berndt
Biophysics
structural biology
science didactic
Metrics
 
H-Index
i10 Index
Citation
36
45
6,021
* Rankings
Ranking Based On Selection: 6
Michael Gilek
Environmental Science
marine environmental governance
ecotoxicolog
Metrics
 
H-Index
i10 Index
Citation
33
61
3,203
* Rankings
Ranking Based On Selection: 7
Göran Bolin
critical theory
digital media
datafication
artificial intelligence
mediatizatio
Metrics
 
H-Index
i10 Index
Citation
32
69
4,071
* Rankings
Ranking Based On Selection: 9
Johan Fornas
Media and Communication Studies
Cultural Studies
Popular Music Researc
Metrics
 
H-Index
i10 Index
Citation
31
78
5,696
* Rankings
Ranking Based On Selection: 10
Ranjula Bali Swain
Sustainable Development
Environmental Economics
Microfinance
Development Economics
Gende
Metrics
 
H-Index
i10 Index
Citation
29
47
4,839
* Rankings
Ranking Based On Selection: 13
Elzbieta Korolczuk
social movements
civil society
gender and anti-gender campaigns
right-wing populism
reproductio
Metrics
 
H-Index
i10 Index
Citation
27
37
3,221
* Rankings
Ranking Based On Selection: 15
Per Ledin
mulimodality
social semiotics
critical discourse analysis
literacy
history of journalis
Metrics
 
H-Index
i10 Index
Citation
27
47
5,185
* Rankings
Ranking Based On Selection: 16
Anne Kaun
algorithms
automation
democracy
civic participation
artificial intelligenc
Metrics
 
H-Index
i10 Index
Citation
26
46
2,643
* Rankings
Ranking Based On Selection: 17
Joakim Ekman
Democratization
political participation
political socialization
Eastern Europe
civic educatio
Metrics
 
H-Index
i10 Index
Citation
26
46
5,652
* Rankings
Ranking Based On Selection: 19
Romina Rodela
urban studies
social movements
environmental studie
Metrics
 
H-Index
i10 Index
Citation
24
32
2,151
* Rankings
Ranking Based On Selection: 20
Johan Eriksson
International relations
security studies
politics of technology
politics of expertise
space polic
Metrics
 
H-Index
i10 Index
Citation
23
37
2,475
* Rankings
Ranking Based On Selection: 21
Magnus Wennerhag
Social Movements
Political Sociology
Political Participation
Social Theory
Political Violenc
Metrics
 
H-Index
i10 Index
Citation
23
35
1,977
* Rankings
Ranking Based On Selection: 22
Rickard Lalander
Critical Development Studies
Indigenous Tourism
Ecuador
Indigenous Communities
Buen vivi
Metrics
 
H-Index
i10 Index
Citation
23
44
1,905
* Rankings
Ranking Based On Selection: 23
Karl Magnus Johansson
Political Science
International Relations
Political Communicatio
Metrics
 
H-Index
i10 Index
Citation
23
47
2,063
* Rankings
Ranking Based On Selection: 24
Mats A Bergman
Industrial organization
public procurement
competition policy
regulation
welfare service
Metrics
 
H-Index
i10 Index
Citation
23
47
2,222
* Rankings
Ranking Based On Selection: 25
Fred Saunders
Conservation
environment
sustainable development
institution
Metrics
 
H-Index
i10 Index
Citation
22
29
1,398
Rankings
Ranking Based On Selection: 1
Mall Leinsalu
Metrics
 
H-Index
i10 Index
Citation Counts
51
96
54,232
Rankings
Ranking Based On Selection: 2
Martin Gullström
Metrics
 
H-Index
i10 Index
Citation Counts
42
86
5,657
Seascape Ecology
Seagrass Ecology
Fish and Fisheries
Blue Carbon
Global Chang
Rankings
Ranking Based On Selection: 3
Nandita Singh
Metrics
 
H-Index
i10 Index
Citation Counts
36
162
6,831
water governance
gender and water
human right to water
water resources managemen
Rankings
Ranking Based On Selection: 4
Mats Grahn
Metrics
 
H-Index
i10 Index
Citation Counts
36
47
5,326
Molecular Ecology
Evolutionary Ecology
Behavioural Ecology
Evolutionary Biology
Conservation Biolog
Rankings
Ranking Based On Selection: 5
Kurt Berndt
Metrics
 
H-Index
i10 Index
Citation Counts
36
45
6,021
Rankings
Ranking Based On Selection: 6
Michael Gilek
Metrics
 
H-Index
i10 Index
Citation Counts
33
61
3,203
Environmental Science
marine environmental governance
ecotoxicolog
Rankings
Ranking Based On Selection: 7
Göran Bolin
Metrics
 
H-Index
i10 Index
Citation Counts
32
69
4,071
critical theory
digital media
datafication
artificial intelligence
mediatizatio
Rankings
Ranking Based On Selection: 8
Fredrik Svenaeus
Metrics
 
H-Index
i10 Index
Citation Counts
32
50
4,441
Rankings
Ranking Based On Selection: 9
Johan Fornas
Metrics
 
H-Index
i10 Index
Citation Counts
31
78
5,696
Media and Communication Studies
Cultural Studies
Popular Music Researc
Rankings
Ranking Based On Selection: 10
Ranjula Bali Swain
Metrics
 
H-Index
i10 Index
Citation Counts
29
47
4,839
Sustainable Development
Environmental Economics
Microfinance
Development Economics
Gende
Rankings
Ranking Based On Selection: 11
Bengt Jacobsson
Metrics
 
H-Index
i10 Index
Citation Counts
29
50
5,343
Rankings
Ranking Based On Selection: 12
Nicholas Aylott
Metrics
 
H-Index
i10 Index
Citation Counts
28
44
2,737
Rankings
Ranking Based On Selection: 13
Elzbieta Korolczuk
Metrics
 
H-Index
i10 Index
Citation Counts
27
37
3,221
social movements
civil society
gender and anti-gender campaigns
right-wing populism
reproductio
Rankings
Ranking Based On Selection: 14
Gunnar Nygren
Metrics
 
H-Index
i10 Index
Citation Counts
27
61
3,219
Rankings
Ranking Based On Selection: 15
Per Ledin
Metrics
 
H-Index
i10 Index
Citation Counts
27
47
5,185
mulimodality
social semiotics
critical discourse analysis
literacy
history of journalis
Rankings
Ranking Based On Selection: 16
Anne Kaun
Metrics
 
H-Index
i10 Index
Citation Counts
26
46
2,643
algorithms
automation
democracy
civic participation
artificial intelligenc
Rankings
Ranking Based On Selection: 17
Joakim Ekman
Metrics
 
H-Index
i10 Index
Citation Counts
26
46
5,652
Democratization
political participation
political socialization
Eastern Europe
civic educatio
Rankings
Ranking Based On Selection: 18
Hanna Bertilsdotter Rosqvist
Metrics
 
H-Index
i10 Index
Citation Counts
25
45
2,305
Rankings
Ranking Based On Selection: 19
Romina Rodela
Metrics
 
H-Index
i10 Index
Citation Counts
24
32
2,151
urban studies
social movements
environmental studie
Rankings
Ranking Based On Selection: 20
Johan Eriksson
Metrics
 
H-Index
i10 Index
Citation Counts
23
37
2,475
International relations
security studies
politics of technology
politics of expertise
space polic
Rankings
Ranking Based On Selection: 21
Magnus Wennerhag
Metrics
 
H-Index
i10 Index
Citation Counts
23
35
1,977
Social Movements
Political Sociology
Political Participation
Social Theory
Political Violenc
Rankings
Ranking Based On Selection: 22
Rickard Lalander
Metrics
 
H-Index
i10 Index
Citation Counts
23
44
1,905
Critical Development Studies
Indigenous Tourism
Ecuador
Indigenous Communities
Buen vivi
Rankings
Ranking Based On Selection: 23
Karl Magnus Johansson
Metrics
 
H-Index
i10 Index
Citation Counts
23
47
2,063
Political Science
International Relations
Political Communicatio
Rankings
Ranking Based On Selection: 24
Mats A Bergman
Metrics
 
H-Index
i10 Index
Citation Counts
23
47
2,222
Industrial organization
public procurement
competition policy
regulation
welfare service
Rankings
Ranking Based On Selection: 25
Fred Saunders
Metrics
 
H-Index
i10 Index
Citation Counts
22
29
1,398
Conservation
environment
sustainable development
institution