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: 2
Katrina Brown
Resilience
vulnerability and adaptation
Global environmental change
Metrics
H-Index
i10 Index
Citation
86
167
41,940
* Rankings
Ranking Based On Selection: 4
Jason Reifler
Political Science
Misinformation
Governance
Surveys
Experiments
Metrics
H-Index
i10 Index
Citation
45
82
18,713
Oliver James
Political science
public management
public administration
public policy
Metrics
H-Index
i10 Index
Citation
40
75
8,565
Jeffrey Karp
political behaviour
elections
representation
electoral systems
women and politics
Metrics
H-Index
i10 Index
Citation
40
63
9,104
Claire A Dunlop
Public Policy
Political Science
Epistemic Communities
Science and Policy
Policy Learning
Metrics
H-Index
i10 Index
Citation
35
49
4,411
* Rankings
Ranking Based On Selection: 10
Matt Lobley
Farm household behaviour
CAP reform
Farmer well-being
succession and retirement
family farming
Metrics
H-Index
i10 Index
Citation
35
69
5,297

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
Ana Nuno
Conservation Science
Social-ecological systems
Natural resource management
Conservation Social Science
Metrics
H-Index
i10 Index
Citation
25
34
2,407
* Rankings
Ranking Based On Selection: 12
Travis G Coan
Research Methods
Environmental Politics
Environmental Communication
Political Communication
Political Behavior
Metrics
H-Index
i10 Index
Citation
24
31
2,137
* Rankings
Ranking Based On Selection: 14
Catriona McKinnon
Political theory
political philosophy
climate change
justice
liberalism
Metrics
H-Index
i10 Index
Citation
23
38
1,879
* Rankings
Ranking Based On Selection: 15
Alice Moseley
Public Policy
Public Administration
Political Participation
Metrics
H-Index
i10 Index
Citation
22
32
2,063
* Rankings
Ranking Based On Selection: 16
Sandra Kröger
Democracy
European Union
Integration theory
representation
Metrics
H-Index
i10 Index
Citation
21
33
1,569
* Rankings
Ranking Based On Selection: 17
Doug Stokes
International relations
international security
strategic studies
military history
international political economy
Metrics
H-Index
i10 Index
Citation
20
24
2,256
* Rankings
Ranking Based On Selection: 18
Oscar Fitch Roy
Politics and policy of energy system transformation
Climate policy
Environmental policy
Industry emergence
institutions
Metrics
H-Index
i10 Index
Citation
19
25
1,201
* Rankings
Ranking Based On Selection: 19
Lorien Jasny
Social Networks
Political Sociology
Environmental Sociology
Metrics
H-Index
i10 Index
Citation
18
24
1,499
* Rankings
Ranking Based On Selection: 21
Alex Prichard|Alex Pritchard (incorrect)
Anarchy
International Relations
International Political Theory
Anarchism
Pierre-Joseph Proudhon
Metrics
H-Index
i10 Index
Citation
17
21
841
* Rankings
Ranking Based On Selection: 23
Jonathan Githens Mazer
Radicalisation
Violent Extremism
Terrorism
North Africa
Tunisia
Metrics
H-Index
i10 Index
Citation
14
16
1,179
* Rankings
Ranking Based On Selection: 24
Miriam Koschate
social identity theory
computational social science
Metrics
H-Index
i10 Index
Citation
13
15
436
* Rankings
Ranking Based On Selection: 25
Dana Wilson Kovacs
digital forensics
expertise
crime examination
professions
gender and sexuality
Metrics
H-Index
i10 Index
Citation
13
19
800
* Rankings
Ranking Based On Selection: 26
Lise Storm
Democratization
political parties
democracy assistance
authoritarian resilience
Metrics
H-Index
i10 Index
Citation
13
18
688
* Rankings
Ranking Based On Selection: 27
Darren Schreiber
Neuropolitics
Political Science
Neuroscience
Cognitive Science
Neuroeconomics
Metrics
H-Index
i10 Index
Citation
13
15
1,405
* Rankings
Ranking Based On Selection: 28
Federico Botta
Complex Networks
Data Science
Complex Systems
Computational Social Science
Metrics
H-Index
i10 Index
Citation
12
13
476
* Rankings
Ranking Based On Selection: 29
Florian Stoeckel
political science
psychology
AI governance
public health
gender
Metrics
H-Index
i10 Index
Citation
12
12
888
* Rankings
Ranking Based On Selection: 30
John William D'Attoma
Political Science
International Relations
Tax Compliance
Tax morale
Metrics
H-Index
i10 Index
Citation
11
12
538
* Rankings
Ranking Based On Selection: 31
Stuart Fox
Political participation
volunteering
generations
political engagement
political alienation
Metrics
H-Index
i10 Index
Citation
10
10
475
* Rankings
Ranking Based On Selection: 32
Elena Gadjanova
African politics
ethnic politics
electoral campaigns
social media
misinformation
Metrics
H-Index
i10 Index
Citation
10
10
299
* Rankings
Ranking Based On Selection: 33
Lamprini Rori
Comparative Politics
Political Sociology
Political Behaviour
Political Communication
Extremism
Metrics
H-Index
i10 Index
Citation
10
11
703
Brieg Powel
International Relations
historical sociology
global history
military history
Metrics
H-Index
i10 Index
Citation
8
7
306
Nicholas Kirsop-Taylor
Environmental Public Policy & Administration
Environmental Governance
Environmental Voluntary
Metrics
H-Index
i10 Index
Citation
7
5
139
Ana Margarida Dias Martins
feminism
gender and race studies
postcolonialism
cultural studies
monster studies
Metrics
H-Index
i10 Index
Citation
5
3
72
Michele Scotto Di Vettimo
Political science
Quantitative text analysis
Public opinion
European Union
Metrics
H-Index
i10 Index
Citation
3
1
68
Azzam Al Kassir
Middle East Politics
IR theory
Comparative Politics
Social Movements
Metrics
H-Index
i10 Index
Citation
2
0
12
Tarek Hamoud
International Relations
Human Rights
Middle East Studies
Palestinian Refugees
Conflict
Metrics
H-Index
i10 Index
Citation
2
0
5
James Downs
Visual culture
history of photography
Middle East
religious history
Metrics
H-Index
i10 Index
Citation
1
0
5
Rankings
Ranking Based On Selection: 1
Charles Abraham
Metrics
H-Index
i10 Index
Citation Counts
93
268
54,246
Rankings
Ranking Based On Selection: 2
Katrina Brown
Metrics
H-Index
i10 Index
Citation Counts
86
167
41,940
Resilience
vulnerability and adaptation
Global environmental change
Rankings
Ranking Based On Selection: 3
Manuela Barreto
Metrics
H-Index
i10 Index
Citation Counts
49
91
10,861
Rankings
Ranking Based On Selection: 4
Jason Reifler
Metrics
H-Index
i10 Index
Citation Counts
45
82
18,713
Political Science
Misinformation
Governance
Surveys
Experiments
Rankings
Ranking Based On Selection: 5
David Benson
Metrics
H-Index
i10 Index
Citation Counts
41
78
6,205
Rankings
Ranking Based On Selection: 6
Steffen Böhm|Steffen Boehm, Steffen Bohm
Metrics
H-Index
i10 Index
Citation Counts
40
71
6,567
climate change
political ecology
organization
circular economy
food systems
Rankings
Ranking Based On Selection: 7
Oliver James
Metrics
H-Index
i10 Index
Citation Counts
40
75
8,565
Political science
public management
public administration
public policy
Rankings
Ranking Based On Selection: 8
Jeffrey Karp
Metrics
H-Index
i10 Index
Citation Counts
40
63
9,104
political behaviour
elections
representation
electoral systems
women and politics
Rankings
Ranking Based On Selection: 9
Claire A Dunlop
Metrics
H-Index
i10 Index
Citation Counts
35
49
4,411
Public Policy
Political Science
Epistemic Communities
Science and Policy
Policy Learning
Rankings
Ranking Based On Selection: 10
Matt Lobley
Metrics
H-Index
i10 Index
Citation Counts
35
69
5,297
Farm household behaviour
CAP reform
Farmer well-being
succession and retirement
family farming

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
Ana Nuno
Metrics
H-Index
i10 Index
Citation Counts
25
34
2,407
Conservation Science
Social-ecological systems
Natural resource management
Conservation Social Science
Rankings
Ranking Based On Selection: 12
Travis G Coan
Metrics
H-Index
i10 Index
Citation Counts
24
31
2,137
Research Methods
Environmental Politics
Environmental Communication
Political Communication
Political Behavior
Rankings
Ranking Based On Selection: 13
David Lewis
Metrics
H-Index
i10 Index
Citation Counts
24
38
2,231
Rankings
Ranking Based On Selection: 14
Catriona McKinnon
Metrics
H-Index
i10 Index
Citation Counts
23
38
1,879
Political theory
political philosophy
climate change
justice
liberalism
Rankings
Ranking Based On Selection: 15
Alice Moseley
Metrics
H-Index
i10 Index
Citation Counts
22
32
2,063
Rankings
Ranking Based On Selection: 16
Sandra Kröger
Metrics
H-Index
i10 Index
Citation Counts
21
33
1,569
Rankings
Ranking Based On Selection: 17
Doug Stokes
Metrics
H-Index
i10 Index
Citation Counts
20
24
2,256
International relations
international security
strategic studies
military history
international political economy
Rankings
Ranking Based On Selection: 18
Oscar Fitch Roy
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,201
Politics and policy of energy system transformation
Climate policy
Environmental policy
Industry emergence
institutions
Rankings
Ranking Based On Selection: 19
Lorien Jasny
Metrics
H-Index
i10 Index
Citation Counts
18
24
1,499
Rankings
Ranking Based On Selection: 20
Gabriel Katz
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,103
Rankings
Ranking Based On Selection: 21
Alex Prichard|Alex Pritchard (incorrect)
Metrics
H-Index
i10 Index
Citation Counts
17
21
841
Anarchy
International Relations
International Political Theory
Anarchism
Pierre-Joseph Proudhon
Rankings
Ranking Based On Selection: 22
Amy Melissa McKay
Metrics
H-Index
i10 Index
Citation Counts
14
14
967
Rankings
Ranking Based On Selection: 23
Jonathan Githens Mazer
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,179
Radicalisation
Violent Extremism
Terrorism
North Africa
Tunisia
Rankings
Ranking Based On Selection: 24
Miriam Koschate
Metrics
H-Index
i10 Index
Citation Counts
13
15
436
social identity theory
computational social science
Rankings
Ranking Based On Selection: 25
Dana Wilson Kovacs
Metrics
H-Index
i10 Index
Citation Counts
13
19
800
digital forensics
expertise
crime examination
professions
gender and sexuality
Rankings
Ranking Based On Selection: 26
Lise Storm
Metrics
H-Index
i10 Index
Citation Counts
13
18
688
Democratization
political parties
democracy assistance
authoritarian resilience
Rankings
Ranking Based On Selection: 27
Darren Schreiber
Metrics
H-Index
i10 Index
Citation Counts
13
15
1,405
Neuropolitics
Political Science
Neuroscience
Cognitive Science
Neuroeconomics
Rankings
Ranking Based On Selection: 28
Federico Botta
Metrics
H-Index
i10 Index
Citation Counts
12
13
476
Complex Networks
Data Science
Complex Systems
Computational Social Science
Rankings
Ranking Based On Selection: 29
Florian Stoeckel
Metrics
H-Index
i10 Index
Citation Counts
12
12
888
political science
psychology
AI governance
public health
gender
Rankings
Ranking Based On Selection: 30
John William D'Attoma
Metrics
H-Index
i10 Index
Citation Counts
11
12
538
Political Science
International Relations
Tax Compliance
Tax morale
Rankings
Ranking Based On Selection: 31
Stuart Fox
Metrics
H-Index
i10 Index
Citation Counts
10
10
475
Political participation
volunteering
generations
political engagement
political alienation
Rankings
Ranking Based On Selection: 32
Elena Gadjanova
Metrics
H-Index
i10 Index
Citation Counts
10
10
299
African politics
ethnic politics
electoral campaigns
social media
misinformation
Rankings
Ranking Based On Selection: 33
Lamprini Rori
Metrics
H-Index
i10 Index
Citation Counts
10
11
703
Comparative Politics
Political Sociology
Political Behaviour
Political Communication
Extremism
Rankings
Ranking Based On Selection: 34
Andrei Zhirnov
Metrics
H-Index
i10 Index
Citation Counts
9
8
279
Rankings
Ranking Based On Selection: 35
Angelos Sepos
Metrics
H-Index
i10 Index
Citation Counts
9
9
596
Rankings
Ranking Based On Selection: 36
Jack Thompson
Metrics
H-Index
i10 Index
Citation Counts
8
6
131
Rankings
Ranking Based On Selection: 37
Brieg Powel
Metrics
H-Index
i10 Index
Citation Counts
8
7
306
International Relations
historical sociology
global history
military history
Rankings
Ranking Based On Selection: 38
Cinzia Bianco
Metrics
H-Index
i10 Index
Citation Counts
8
7
270
Rankings
Ranking Based On Selection: 39
Pedro Perfeito Da Silva
Metrics
H-Index
i10 Index
Citation Counts
8
4
129
Political Science
Political Economy
Latin America
Creative Economy
Rankings
Ranking Based On Selection: 40
Nicholas Kirsop-Taylor
Metrics
H-Index
i10 Index
Citation Counts
7
5
139
Environmental Public Policy & Administration
Environmental Governance
Environmental Voluntary
Rankings
Ranking Based On Selection: 42
Ana Margarida Dias Martins
Metrics
H-Index
i10 Index
Citation Counts
5
3
72
feminism
gender and race studies
postcolonialism
cultural studies
monster studies
Rankings
Ranking Based On Selection: 43
Michele Scotto Di Vettimo
Metrics
H-Index
i10 Index
Citation Counts
3
1
68
Political science
Quantitative text analysis
Public opinion
European Union
Rankings
Ranking Based On Selection: 44
Azzam Al Kassir
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Middle East Politics
IR theory
Comparative Politics
Social Movements
Rankings
Ranking Based On Selection: 45
Tarek Hamoud
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
International Relations
Human Rights
Middle East Studies
Palestinian Refugees
Conflict
Rankings
Ranking Based On Selection: 46
James Downs
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Visual culture
history of photography
Middle East
religious history