The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :1
Ecological Economics
Landscape Ecology
Ecosystem Services
Environmental Science
Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
168,211
64,580
0.384
* Total Citation Counts Rankings
Ranking Based On Selection :2
Public Policy
Resource and Environmental Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127,076
47,991
0.378
* Total Citation Counts Rankings
Ranking Based On Selection :3
organization theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125,565
44,145
0.352
* Total Citation Counts Rankings
Ranking Based On Selection :4
Public Policy
Parliamentary Research
Elections
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
122,719
48,144
0.392
* Total Citation Counts Rankings
Ranking Based On Selection :5
Public Policy
Party System Change
Political Parties
Central Asia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
117,297
53,106
0.453
* Total Citation Counts Rankings
Ranking Based On Selection :6
entrepreneurship
technology transfer
corporate social responsibility
innovation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,740
35,054
0.414
* Total Citation Counts Rankings
Ranking Based On Selection :7
Nutrition
Obesity
Public Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,455
20,218
0.248
* Total Citation Counts Rankings
Ranking Based On Selection :8
Public Administration
Comparative Public Administration
Public Policy
European Politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78,580
24,983
0.318
* Total Citation Counts Rankings
Ranking Based On Selection :9
Public Health
Epidemiology
Chronic Diseases
Risk factors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,326
65,508
0.906
* Total Citation Counts Rankings
Ranking Based On Selection :10
economics
environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,508
15,589
0.238
* Total Citation Counts Rankings
Ranking Based On Selection :11
Public policy
sustainable development
sustainable solid waste management
policy analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,804
19,627
0.303
* Total Citation Counts Rankings
Ranking Based On Selection :12
Public policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,434
46,720
0.748
* Total Citation Counts Rankings
Ranking Based On Selection :13
Policy development
mental health and public health
training
research and implementation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,575
32,295
0.614
* Total Citation Counts Rankings
Ranking Based On Selection :14
Innovation - Entrepreneurship - Geography - Public Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,378
15,993
0.317
* Total Citation Counts Rankings
Ranking Based On Selection :15
public policy
policy design
public administration
political science
comparative public policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,024
26,945
0.561
* Total Citation Counts Rankings
Ranking Based On Selection :16
Misinformation
Science Communication
Health Communication
Political Communication
Science and Technology Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,245
20,859
0.442
* Total Citation Counts Rankings
Ranking Based On Selection :17
public policy
refugees
gender
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,390
13,841
0.305
* Total Citation Counts Rankings
Ranking Based On Selection :18
Public Policy
Local Government
Human Resource Management
Development Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,698
32,359
0.724
* Total Citation Counts Rankings
Ranking Based On Selection :19
public administration
public management
public service motivation
public human resource management
altruism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,337
17,130
0.386
* Total Citation Counts Rankings
Ranking Based On Selection :20
Public health and data science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,262
39,777
0.899
* Total Citation Counts Rankings
Ranking Based On Selection :21
trust
leadership
organizational behavior
learning
organizational control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,152
13,371
0.310
* Total Citation Counts Rankings
Ranking Based On Selection :22
science and technology policy
higher education policy
organization theory
public management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,159
15,589
0.379
* Total Citation Counts Rankings
Ranking Based On Selection :23
Bureaucracy
Organization Studies
Sociology
Public Administration
Ethics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,787
10,368
0.254
* Total Citation Counts Rankings
Ranking Based On Selection :24
public health
infectious disease surveillance and epidemiology
human and avian influenza
biostatistics
zoonotic diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,022
36,941
0.923
* Total Citation Counts Rankings
Ranking Based On Selection :25
Public Opinion - Climate Change - Risk Perception - Risk Communication - Sustainability Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,602
23,448
0.592
Robert Costanza
Australian National University
Canberra, Australia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
168,211
64,580
0.384
Ecological Economics
Landscape Ecology
Ecosystem Services
Environmental Science
Ecology
Joseph Eshun
University of Hawaii System
Honolulu, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
127,076
47,991
0.378
Public Policy
Resource and Environmental Economics
Michael D Cohen
University of Michigan
Ann Arbor, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125,565
44,145
0.352
Livinus Nandi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
122,719
48,144
0.392
Public Policy
Parliamentary Research
Elections
Daulet Turganov
Nazarbayev University
Nur-Sultan, Kazakhstan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
117,297
53,106
0.453
Public Policy
Party System Change
Political Parties
Central Asia
Donald Siegel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,740
35,054
0.414
entrepreneurship
technology transfer
corporate social responsibility
innovation
Kelly D Brownell
Duke University
Durham, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
81,455
20,218
0.248
Nutrition
Obesity
Public Policy
B Guy Peters
University of Pittsburgh
Pittsburgh, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78,580
24,983
0.318
Public Administration
Comparative Public Administration
Public Policy
European Politics
KR Thankappan
Central University of Kerala
Kasaragod, India
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,326
65,508
0.906
Public Health
Epidemiology
Chronic Diseases
Risk factors
Herman Daly
University of Maryland
College Park, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,508
15,589
0.238
Haidy Henry Dusim
Universiti Teknologi MARA
Shah Alam, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,804
19,627
0.303
Public policy
sustainable development
sustainable solid waste management
policy analysis
Ngoc Anh Mai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,434
46,720
0.748
Mohammad Taghi Yasamy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,575
32,295
0.614
Policy development
mental health and public health
training
research and implementation
Maryann Feldman
University of North Carolina Chapel Hill
Chapel Hill, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,378
15,993
0.317
Innovation - Entrepreneurship - Geography - Public Policy
Michael Patrick Howlett|Michael Howlett, M. Howlett, Michael Patrick Howlett
Simon Fraser University
Burnaby, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48,024
26,945
0.561
public policy
policy design
public administration
political science
comparative public policy
Dietram A Scheufele
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,245
20,859
0.442
Misinformation
Science Communication
Health Communication
Political Communication
Science and Technology Policy
Ola G. ElTaliawi
University of Twente
Enschede, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,390
13,841
0.305
public policy
refugees
gender
Onwunyi Ugochukwu Mmaduabuchi|Mokuye, S et al, Onwunyi, U. Mmaduabuchi, Ugochukwu Mmaduabuchi Onwunyi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,698
32,359
0.724
Public Policy
Local Government
Human Resource Management
Development Studies
James L Perry
Indiana University Bloomington
Bloomington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,337
17,130
0.386
public administration
public management
public service motivation
public human resource management
altruism
Joseph T Wu
University of Hong Kong
Pok Fu Lam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,262
39,777
0.899
Public health and data science
Sim B Sitkin
Duke University
Durham, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,152
13,371
0.310
trust
leadership
organizational behavior
learning
organizational control
Barry Bozeman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,159
15,589
0.379
science and technology policy
higher education policy
organization theory
public management
Paul Du Gay
Copenhagen Business School
Frederiksberg, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,787
10,368
0.254
Bureaucracy
Organization Studies
Sociology
Public Administration
Ethics
Eric Lau
University of Hong Kong
Pok Fu Lam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,022
36,941
0.923
public health
infectious disease surveillance and epidemiology
human and avian influenza
biostatistics
zoonotic diseases
Anthony Leiserowitz
Yale University
New Haven, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,602
23,448
0.592
Public Opinion - Climate Change - Risk Perception - Risk Communication - Sustainability Science