Citation Rankings
Highly Cited Researchers
United Nations Educational, Scientific and Cultural Organization Highly Cited Researchers Citation Rankings (Sort by last 6 years Citation Index) 2025
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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
education
sustainable development
economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,886
7,404
0.497
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
conservation
biodiversity
anthropology
policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,482
4,740
0.865
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Water
environment
irrigation
modeling
hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,143
4,293
0.470
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
marine biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,998
4,043
0.674
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,047
3,666
0.906
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
biotechnology
microbiology
wastewater treatment
environmental engineering
pollution prevention and resource recovery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,230
2,829
0.307
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
climate change
ocean
environment
diplomacy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,704
2,781
0.415
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
higher education policy
comparative education
educational technology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,456
2,733
0.501
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Agroforestry
Biodiversity
Climate Change
Food Security
Sustainable Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,697
2,385
0.884
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
marine biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,855
2,372
0.831
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Water and climate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,035
2,231
0.735
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
ESD
UNESCO
education for sustainable development
comparative education
sociology of ed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,897
2,183
0.754
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Economics of Education
Education policy
Education data
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,621
1,441
0.889
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
AI and education
digital learning
ICT in education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,860
1,233
0.663
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,724
887
0.515
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Pedagogía
Educación
Reformas Educativas
Cambio Educativo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,710
740
0.433
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,650
691
0.419
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
ocean data management
marine information management
capacity development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
592
522
0.882
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
marine food web studies
plankton
ocean acidification
ecological stoichiometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
906
490
0.541
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Science and technology policy
Science and technology indicators
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,419
487
0.343
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
théorie politique
politique comparée
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,654
370
0.224
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Water
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,520
332
0.218
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Online Education Consultant and strategist working for different organisations of the United Nations
SFHEA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
480
309
0.644
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
Historia
Derecho
Política en Cuba y AMérica Latina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
605
308
0.509
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Educación
Pedagogía
Cambio Educativo
Reformas Educativas
Pedagogía Crítica
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
627
295
0.470
* Last 6 Years Citation Counts Rankings
Rankings
56,338
1,116
1
Ranking Based On Selection: 1
Anantha K. Duraiappah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,886
7,404
0.497
education
sustainable development
economics
* Last 6 Years Citation Counts Rankings
Rankings
101,260
2,228
2
Ranking Based On Selection: 2
Maximilien Guèze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,482
4,740
0.865
conservation
biodiversity
anthropology
policy
* Last 6 Years Citation Counts Rankings
Rankings
114,422
2,570
3
Ranking Based On Selection: 3
Shahbaz Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,143
4,293
0.470
Water
environment
irrigation
modeling
hydrology
* Last 6 Years Citation Counts Rankings
Rankings
122,889
2,782
4
Ranking Based On Selection: 4
Ward Appeltans
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,998
4,043
0.674
* Last 6 Years Citation Counts Rankings
Rankings
138,008
3,178
5
Ranking Based On Selection: 5
Kirsten Isensee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,047
3,666
0.906
* Last 6 Years Citation Counts Rankings
Rankings
185,229
4,573
6
Ranking Based On Selection: 6
HJ Gijzen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,230
2,829
0.307
biotechnology
microbiology
wastewater treatment
environmental engineering
pollution prevention and resource recovery
* Last 6 Years Citation Counts Rankings
Rankings
188,639
4,678
7
Ranking Based On Selection: 7
Fanny Douvere
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,704
2,781
0.415
climate change
ocean
environment
diplomacy
* Last 6 Years Citation Counts Rankings
Rankings
192,221
4,770
8
Ranking Based On Selection: 8
Francesc Pedró
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,456
2,733
0.501
higher education policy
comparative education
educational technology
* Last 6 Years Citation Counts Rankings
Rankings
222,184
5,669
9
Ranking Based On Selection: 9
Samuel Tetteh Partey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,697
2,385
0.884
Agroforestry
Biodiversity
Climate Change
Food Security
Sustainable Development
* Last 6 Years Citation Counts Rankings
Rankings
223,389
5,701
10
Ranking Based On Selection: 10
Pieter Provoost
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,855
2,372
0.831
* Last 6 Years Citation Counts Rankings
Rankings
237,716
6,098
11
Ranking Based On Selection: 11
Koen Verbist
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,035
2,231
0.735
* Last 6 Years Citation Counts Rankings
Rankings
243,033
6,261
12
Ranking Based On Selection: 12
Yoko Mochizuki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,897
2,183
0.754
ESD
UNESCO
education for sustainable development
comparative education
sociology of ed
* Last 6 Years Citation Counts Rankings
Rankings
359,124
9,907
13
Ranking Based On Selection: 13
Suguru Mizunoya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,621
1,441
0.889
Economics of Education
Education policy
Education data
* Last 6 Years Citation Counts Rankings
Rankings
409,216
11,454
14
Ranking Based On Selection: 14
Fengchun Miao苗逢春|苗逢春
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,860
1,233
0.663
* Last 6 Years Citation Counts Rankings
Rankings
523,307
14,895
15
Ranking Based On Selection: 15
Sobhi TAWIL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,724
887
0.515
* Last 6 Years Citation Counts Rankings
Rankings
588,953
16,763
16
Ranking Based On Selection: 16
Luis Bonilla-Molina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,710
740
0.433
Pedagogía
Educación
Reformas Educativas
Cambio Educativo
* Last 6 Years Citation Counts Rankings
Rankings
614,048
17,543
17
Ranking Based On Selection: 17
Njora Hungi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,650
691
0.419
* Last 6 Years Citation Counts Rankings
Rankings
717,726
20,568
18
Ranking Based On Selection: 18
Peter Pissierssens
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
592
522
0.882
ocean data management
marine information management
capacity development
* Last 6 Years Citation Counts Rankings
Rankings
741,678
21,186
19
Ranking Based On Selection: 19
Katherina Schoo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
906
490
0.541
marine food web studies
plankton
ocean acidification
ecological stoichiometry
* Last 6 Years Citation Counts Rankings
Rankings
743,928
21,251
20
Ranking Based On Selection: 20
Ernesto Fernandez Polcuch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,419
487
0.343
Science and technology policy
Science and technology indicators
* Last 6 Years Citation Counts Rankings
Rankings
856,749
24,190
21
Ranking Based On Selection: 21
John Crowley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,654
370
0.224
* Last 6 Years Citation Counts Rankings
Rankings
903,191
25,371
22
Ranking Based On Selection: 22
Youssef Filali-Meknassi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,520
332
0.218
* Last 6 Years Citation Counts Rankings
Rankings
935,072
26,188
23
Ranking Based On Selection: 23
Maria ToroTroconis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
480
309
0.644
Online Education Consultant and strategist working for different organisations of the United Nations
SFHEA
* Last 6 Years Citation Counts Rankings
Rankings
936,291
26,220
24
Ranking Based On Selection: 24
Julio César Guanche
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
605
308
0.509
Historia
Derecho
Política en Cuba y AMérica Latina
* Last 6 Years Citation Counts Rankings
Rankings
955,178
26,673
25
Ranking Based On Selection: 25
Luis Bonilla-Molina
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
627
295
0.470
Educación
Pedagogía
Cambio Educativo
Reformas Educativas
Pedagogía Crítica