Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
165,701
62,474
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :2
organization theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,129
43,036
0.347
* Total Citation Counts Rankings
Ranking Based On Selection :3
entrepreneurship
technology transfer
corporate social responsibility
innovation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83,355
33,957
0.407
* Total Citation Counts Rankings
Ranking Based On Selection :4
Nutrition
Obesity
Public Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,622
19,672
0.244
* Total Citation Counts Rankings
Ranking Based On Selection :5
Public Administration
Comparative Public Administration
Public Policy
European Politics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,223
24,002
0.311
* Total Citation Counts Rankings
Ranking Based On Selection :6
Public Health
Epidemiology
Chronic Diseases
Risk factors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,268
62,499
0.902
* Total Citation Counts Rankings
Ranking Based On Selection :7
economics
environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,712
15,065
0.233
* Total Citation Counts Rankings
Ranking Based On Selection :8
Policy development
mental health and public health
training
research and implementation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,889
31,653
0.610
* Total Citation Counts Rankings
Ranking Based On Selection :9
Innovation - Entrepreneurship - Geography - Public Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,746
15,470
0.311
* Total Citation Counts Rankings
Ranking Based On Selection :10
public policy
policy design
public administration
political science
comparative public policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,293
26,273
0.556
* Total Citation Counts Rankings
Ranking Based On Selection :11
Misinformation
Science Communication
Health Communication
Political Communication
Science and Technology Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,570
20,291
0.436
* Total Citation Counts Rankings
Ranking Based On Selection :12
Public health and data science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,829
39,355
0.898
* Total Citation Counts Rankings
Ranking Based On Selection :13
public administration
public management
public service motivation
public human resource management
altruism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,528
16,468
0.378
* Total Citation Counts Rankings
Ranking Based On Selection :14
trust
leadership
organizational behavior
learning
organizational control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,644
12,994
0.305
* Total Citation Counts Rankings
Ranking Based On Selection :15
science and technology policy
higher education policy
organization theory
public management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,584
15,136
0.373
* Total Citation Counts Rankings
Ranking Based On Selection :16
Bureaucracy
Organization Studies
Sociology
Public Administration
Ethics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,361
10,077
0.250
* Total Citation Counts Rankings
Ranking Based On Selection :17
public health
infectious disease surveillance and epidemiology
human and avian influenza
biostatistics
zoonotic diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,524
36,452
0.922
* Total Citation Counts Rankings
Ranking Based On Selection :18
Public Opinion - Climate Change - Risk Perception - Risk Communication - Sustainability Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,784
22,701
0.585
* Total Citation Counts Rankings
Ranking Based On Selection :19
Public Management
Bureaucracy
Race
Representation
Behavioral Public Administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,527
12,503
0.325
* Total Citation Counts Rankings
Ranking Based On Selection :20
Development Economics
Finance
Poverty
Microfinance
Microcredit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,479
10,401
0.278
* Total Citation Counts Rankings
Ranking Based On Selection :21
public management
public administration
public governance
trust
performance management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,879
12,684
0.344
* Total Citation Counts Rankings
Ranking Based On Selection :22
Education policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,610
10,555
0.305
* Total Citation Counts Rankings
Ranking Based On Selection :23
Informal economy
undeclared work
public policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,549
13,107
0.403
* Total Citation Counts Rankings
Ranking Based On Selection :24
Alcohol Abuse
Drug Abuse
Screening and Brief Intervention
Addiction Treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,108
11,727
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :25
public administration
governance
public management
mediatization
branding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,085
11,773
0.379
Robert Costanza
Australian National University
Canberra, Australia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165,701
62,474
0.377
Ecological Economics
Landscape Ecology
Ecosystem Services
Environmental Science
Ecology
Michael D Cohen
University of Michigan
Ann Arbor, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,129
43,036
0.347
Donald Siegel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83,355
33,957
0.407
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
80,622
19,672
0.244
Nutrition
Obesity
Public Policy
B Guy Peters
University of Pittsburgh
Pittsburgh, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77,223
24,002
0.311
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
69,268
62,499
0.902
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
64,712
15,065
0.233
Mohammad Taghi Yasamy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,889
31,653
0.610
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
49,746
15,470
0.311
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
47,293
26,273
0.556
public policy
policy design
public administration
political science
comparative public policy
Dietram A Scheufele
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,570
20,291
0.436
Misinformation
Science Communication
Health Communication
Political Communication
Science and Technology Policy
Joseph T Wu
University of Hong Kong
Pok Fu Lam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,829
39,355
0.898
Public health and data science
James L Perry
Indiana University Bloomington
Bloomington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,528
16,468
0.378
public administration
public management
public service motivation
public human resource management
altruism
Sim B Sitkin
Duke University
Durham, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,644
12,994
0.305
trust
leadership
organizational behavior
learning
organizational control
Barry Bozeman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,584
15,136
0.373
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
40,361
10,077
0.250
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
39,524
36,452
0.922
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
38,784
22,701
0.585
Public Opinion - Climate Change - Risk Perception - Risk Communication - Sustainability Science
Kenneth J Meier
American University
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,527
12,503
0.325
Public Management
Bureaucracy
Race
Representation
Behavioral Public Administration
Jonathan J Morduch
New York University
New York City, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,479
10,401
0.278
Development Economics
Finance
Poverty
Microfinance
Microcredit
Geert Bouckaert
Catholic University of Leuven
Leuven, Belgium
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,879
12,684
0.344
public management
public administration
public governance
trust
performance management
Helen F Ladd
Duke University
Durham, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,610
10,555
0.305
Colin C Williams
University of Sheffield
Sheffield, United Kingdom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,549
13,107
0.403
Informal economy
undeclared work
public policy
J Aaron Johnson
Augusta University
Augusta, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,108
11,727
0.377
Alcohol Abuse
Drug Abuse
Screening and Brief Intervention
Addiction Treatment
Erik Hans Klijn
Erasmus University
Rotterdam, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,085
11,773
0.379
public administration
governance
public management
mediatization
branding