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" (873,937 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
Andrew Booth
Qualitative evidence synthesis
Realist Synthesis
Evidence based library and infornation practice
Metrics
H-Index
i10 Index
Citation
96
290
56,683
* Rankings
Ranking Based On Selection :2
Alan Walker
Sociology of Ageing
Social Policy
Social Quality
Metrics
H-Index
i10 Index
Citation
76
265
23,383
Andrew M Cox
practice theory
information practice
academic libraries
librarianship
artificial intelligence
Metrics
H-Index
i10 Index
Citation
41
115
7,676
Andrea Genovese
Logistics and Supply Chain Management
Circular Economy
Decision Support Systems
Metrics
H-Index
i10 Index
Citation
39
69
7,238
James Wilsdon
research policy
metascience
meta-research
science policy
research evaluation
Metrics
H-Index
i10 Index
Citation
34
56
8,339
* Rankings
Ranking Based On Selection :10
Sheila Webber
Information Literacy
Virtual worlds
Educational Informatics
Information Behaviour
Metrics
H-Index
i10 Index
Citation
27
50
4,066
* Rankings
Ranking Based On Selection :11
Nathan Hughes
Social Policy
Youth Justice
Neurodevelopmental impairment
Metrics
H-Index
i10 Index
Citation
25
41
4,096
* Rankings
Ranking Based On Selection :12
Laura Sbaffi
Social care
trust in information
information literacy
Metrics
H-Index
i10 Index
Citation
25
41
3,803
* Rankings
Ranking Based On Selection :13
Katharine Dommett
Political Parties
Digital Technology
Campaigning
Political Communication
Regulation
Metrics
H-Index
i10 Index
Citation
22
34
1,335
* Rankings
Ranking Based On Selection :14
Andrew Gamble
Political Science
Political Economy
Political Theory
Public Policy
Metrics
H-Index
i10 Index
Citation
21
48
6,125
* Rankings
Ranking Based On Selection :15
Mark Clowes
Information Retrieval
Systematic Reviews
Public Health
Library & Information Science
Metrics
H-Index
i10 Index
Citation
20
31
5,936
* Rankings
Ranking Based On Selection :16
Ana C Vasconcelos
Knowledge management
knowledge sharing
absorptive capacityonline communities
online identity
Metrics
H-Index
i10 Index
Citation
20
25
2,252
* Rankings
Ranking Based On Selection :18
Matthew Louis Bishop
International Political Economy
Development Studies
Caribbean Political Economy
Small States
French Caribbean
Metrics
H-Index
i10 Index
Citation
15
28
981
* Rankings
Ranking Based On Selection :19
Paul Reilly
Social Media and conflict transformation
Web 2.0 and sousveillance cultures
Social media and civil unrest
Social media strate
Metrics
H-Index
i10 Index
Citation
15
24
1,545
* Rankings
Ranking Based On Selection :22
Georgios Efthyvoulou
Political Economy
Public Opinion
Migration
Terrorism
International Business
Metrics
H-Index
i10 Index
Citation
13
14
922
* Rankings
Ranking Based On Selection :23
Thea Shahrokh
Migration
citizenship
young people
gender equality
violence
Metrics
H-Index
i10 Index
Citation
13
15
545
Cemal Burak Tansel
political economy
development
historical sociology
historical materialism
Metrics
H-Index
i10 Index
Citation
12
12
1,380
Joanna Tidy
War
military power
gender
IR
critical military studies
Metrics
H-Index
i10 Index
Citation
11
11
392
Lisa Stampnitzky
Terrorism
Human Rights
Security Studies
Sociology of Science and Knowledge
Political Sociology
Metrics
H-Index
i10 Index
Citation
10
11
1,167
Catherine Ebenezer
Attitudes to information seeking
e-resources and services in health libraries
clinician information behaviour
IT occupational
Metrics
H-Index
i10 Index
Citation
5
4
290
Briony Hannell
digital sociology
feminist cultural studies
media and communications
feminist sociology
Metrics
H-Index
i10 Index
Citation
4
2
65
Sara Reis
feminist institutionalism
gender mainstreaming
lobbying
EU policy
gender equality
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
Andrew Booth
Metrics
H-Index
i10 Index
Citation Counts
96
290
56,683
Qualitative evidence synthesis
Realist Synthesis
Evidence based library and infornation practice
Rankings
Ranking Based On Selection: 2
Alan Walker
Metrics
H-Index
i10 Index
Citation Counts
76
265
23,383
Sociology of Ageing
Social Policy
Social Quality
Rankings
Ranking Based On Selection: 3
Simon Bulmer
Metrics
H-Index
i10 Index
Citation Counts
45
86
12,093
Rankings
Ranking Based On Selection: 4
Andrew M Cox
Metrics
H-Index
i10 Index
Citation Counts
41
115
7,676
practice theory
information practice
academic libraries
librarianship
artificial intelligence
Rankings
Ranking Based On Selection: 5
Andrea Genovese
Metrics
H-Index
i10 Index
Citation Counts
39
69
7,238
Logistics and Supply Chain Management
Circular Economy
Decision Support Systems
Rankings
Ranking Based On Selection: 6
James Wilsdon
Metrics
H-Index
i10 Index
Citation Counts
34
56
8,339
research policy
metascience
meta-research
science policy
research evaluation
Rankings
Ranking Based On Selection: 7
Anna Cantrell
Metrics
H-Index
i10 Index
Citation Counts
33
47
3,414
Rankings
Ranking Based On Selection: 8
Ralph M Negrine
Metrics
H-Index
i10 Index
Citation Counts
32
57
6,666
Rankings
Ranking Based On Selection: 9
Simon Rushton
Metrics
H-Index
i10 Index
Citation Counts
28
45
3,499
Rankings
Ranking Based On Selection: 10
Sheila Webber
Metrics
H-Index
i10 Index
Citation Counts
27
50
4,066
Information Literacy
Virtual worlds
Educational Informatics
Information Behaviour
Rankings
Ranking Based On Selection: 11
Nathan Hughes
Metrics
H-Index
i10 Index
Citation Counts
25
41
4,096
Social Policy
Youth Justice
Neurodevelopmental impairment
Rankings
Ranking Based On Selection: 12
Laura Sbaffi
Metrics
H-Index
i10 Index
Citation Counts
25
41
3,803
Social care
trust in information
information literacy
Rankings
Ranking Based On Selection: 13
Katharine Dommett
Metrics
H-Index
i10 Index
Citation Counts
22
34
1,335
Political Parties
Digital Technology
Campaigning
Political Communication
Regulation
Rankings
Ranking Based On Selection: 14
Andrew Gamble
Metrics
H-Index
i10 Index
Citation Counts
21
48
6,125
Political Science
Political Economy
Political Theory
Public Policy
Rankings
Ranking Based On Selection: 15
Mark Clowes
Metrics
H-Index
i10 Index
Citation Counts
20
31
5,936
Information Retrieval
Systematic Reviews
Public Health
Library & Information Science
Rankings
Ranking Based On Selection: 16
Ana C Vasconcelos
Metrics
H-Index
i10 Index
Citation Counts
20
25
2,252
Knowledge management
knowledge sharing
absorptive capacityonline communities
online identity
Rankings
Ranking Based On Selection: 17
Alasdair Cochrane
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,764
Rankings
Ranking Based On Selection: 18
Matthew Louis Bishop
Metrics
H-Index
i10 Index
Citation Counts
15
28
981
International Political Economy
Development Studies
Caribbean Political Economy
Small States
French Caribbean
Rankings
Ranking Based On Selection: 19
Paul Reilly
Metrics
H-Index
i10 Index
Citation Counts
15
24
1,545
Social Media and conflict transformation
Web 2.0 and sousveillance cultures
Social media and civil unrest
Social media strate
Rankings
Ranking Based On Selection: 20
Hugo Dobson
Metrics
H-Index
i10 Index
Citation Counts
15
22
1,756
Rankings
Ranking Based On Selection: 21
Prince K Guma|Prince K Guma, Prince Karakire Guma
Metrics
H-Index
i10 Index
Citation Counts
13
16
682
Rankings
Ranking Based On Selection: 22
Georgios Efthyvoulou
Metrics
H-Index
i10 Index
Citation Counts
13
14
922
Political Economy
Public Opinion
Migration
Terrorism
International Business
Rankings
Ranking Based On Selection: 23
Thea Shahrokh
Metrics
H-Index
i10 Index
Citation Counts
13
15
545
Migration
citizenship
young people
gender equality
violence
Rankings
Ranking Based On Selection: 24
Katherine Morton
Metrics
H-Index
i10 Index
Citation Counts
13
16
670
Rankings
Ranking Based On Selection: 25
Liam Stanley
Metrics
H-Index
i10 Index
Citation Counts
12
12
792
Rankings
Ranking Based On Selection: 26
Cemal Burak Tansel
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,380
political economy
development
historical sociology
historical materialism
Rankings
Ranking Based On Selection: 27
Briony Birdi
Metrics
H-Index
i10 Index
Citation Counts
12
13
450
Social justice
reading
public and school librarianship
Rankings
Ranking Based On Selection: 28
Joanna Tidy
Metrics
H-Index
i10 Index
Citation Counts
11
11
392
War
military power
gender
IR
critical military studies
Rankings
Ranking Based On Selection: 29
Lisa Stampnitzky
Metrics
H-Index
i10 Index
Citation Counts
10
11
1,167
Terrorism
Human Rights
Security Studies
Sociology of Science and Knowledge
Political Sociology
Rankings
Ranking Based On Selection: 30
James Weinberg
Metrics
H-Index
i10 Index
Citation Counts
10
10
360
Political Leadership
Democratic Education
Trust
Participation
Rankings
Ranking Based On Selection: 31
Jennifer Greenburg
Metrics
H-Index
i10 Index
Citation Counts
9
9
212
Rankings
Ranking Based On Selection: 32
Megan Blomfield
Metrics
H-Index
i10 Index
Citation Counts
7
5
156
Rankings
Ranking Based On Selection: 33
Catherine Ebenezer
Metrics
H-Index
i10 Index
Citation Counts
5
4
290
Attitudes to information seeking
e-resources and services in health libraries
clinician information behaviour
IT occupational
Rankings
Ranking Based On Selection: 34
Briony Hannell
Metrics
H-Index
i10 Index
Citation Counts
4
2
65
digital sociology
feminist cultural studies
media and communications
feminist sociology
Rankings
Ranking Based On Selection: 35
Justa Hopma
Metrics
H-Index
i10 Index
Citation Counts
3
2
111
Rankings
Ranking Based On Selection: 36
Alexandra Prodromidou
Metrics
H-Index
i10 Index
Citation Counts
2
1
58
Rankings
Ranking Based On Selection: 37
Sara Reis
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
feminist institutionalism
gender mainstreaming
lobbying
EU policy
gender equality