Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
132
0.763
* Total i10 IndexRankings
Ranking Based On Selection :2
Public health
Epidemiology
Tropical Medicine
Health Service Research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
85
0.867
* Total i10 IndexRankings
Ranking Based On Selection :3
Malaria
Neglected Tropical Diseases
Leishmaniasis
Soil-transmitted Helminthiasis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
68
0.694
* Total i10 IndexRankings
Ranking Based On Selection :4
Parasitology
Vector Borne Zoonoses
Plant in Medical Important
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
64
0.653
* Total i10 IndexRankings
Ranking Based On Selection :5
Nutrition
Obesity
Non-communicable Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
88
0.978
* Total i10 IndexRankings
Ranking Based On Selection :6
Diabetes
Endocrinology and Non-Communicable Diseases
Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
77
0.856
* Total i10 IndexRankings
Ranking Based On Selection :7
Immunology
dengue
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
77
0.856
* Total i10 IndexRankings
Ranking Based On Selection :8
Research in Oral Cancer
OPMD
Odontogenic tumours
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
74
0.871
* Total i10 IndexRankings
Ranking Based On Selection :9
Clinical Pharmacology
Hypertension
Non-Communicable Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
76
0.905
* Total i10 IndexRankings
Ranking Based On Selection :10
Surgery
Cancer
Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
80
0.988
* Total i10 IndexRankings
Ranking Based On Selection :11
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
46
0.568
* Total i10 IndexRankings
Ranking Based On Selection :12
Medical Parasitology
Soil transmitted helminths
Medical Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
53
0.663
* Total i10 IndexRankings
Ranking Based On Selection :13
Genetics and Genomics
Biomedical and Health Informatics
Bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
53
0.663
* Total i10 IndexRankings
Ranking Based On Selection :14
Public Health
Biostatistics
Epidemiology
Medical education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
57
0.740
* Total i10 IndexRankings
Ranking Based On Selection :15
toxicology
snake envenomation
snake antivenom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
64
0.842
* Total i10 IndexRankings
Ranking Based On Selection :16
Epidemiology of non communicable diseases
Health Economics
Snakebite
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
68
0.907
* Total i10 IndexRankings
Ranking Based On Selection :17
Pediatrics
Gastroenterology
Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
64
0.877
* Total i10 IndexRankings
Ranking Based On Selection :18
Immunology
Molecular Biology
Virology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
62
0.886
* Total i10 IndexRankings
Ranking Based On Selection :19
Natural Product Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
44
0.629
* Total i10 IndexRankings
Ranking Based On Selection :20
Public Health
Mental Health
Occupational Health
Maternal and Child Health
Global Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
58
0.967
* Total i10 IndexRankings
Ranking Based On Selection :21
Pharmacology and Toxicology
Pharmacy
Renal Biomarkers
Clinical pharmacy
Pharmaceutical Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
47
0.797
* Total i10 IndexRankings
Ranking Based On Selection :22
Infectious diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
43
0.729
* Total i10 IndexRankings
Ranking Based On Selection :23
Clinical trials
Dementia
Snakebite
Stroke
Hypertension
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
49
0.845
* Total i10 IndexRankings
Ranking Based On Selection :24
Gastroenterology
Physiology
Paediatrics
Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
51
0.895
* Total i10 IndexRankings
Ranking Based On Selection :25
immunology
medical biotechnology
stem cell research
malaria immunoepidemiology
cytokines in NIDS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
32
0.571
Ananda Rajitha Wickremasinghe
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
132
0.763
Suneth Buddhika Agampodi|Suneth Buddhika Agampodi, S Agampodi, SB Agampodi
Rajarata University
Sylhet, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
85
0.867
Public health
Epidemiology
Tropical Medicine
Health Service Research
Nadira Karunaweera
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
68
0.694
Malaria
Neglected Tropical Diseases
Leishmaniasis
Soil-transmitted Helminthiasis
Rpvj Rajapakse
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
64
0.653
Parasitology
Vector Borne Zoonoses
Plant in Medical Important
Ranil Jayawardena
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
88
0.978
Nutrition
Obesity
Non-communicable Diseases
Prasad Katulanda
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
77
0.856
Diabetes
Endocrinology and Non-Communicable Diseases
Epidemiology
Gathsaurie Neelika Malavige
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
77
0.856
WM Tilakaratne|Wanninayake Mudiyanselage Tilakaratne
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
74
0.871
Research in Oral Cancer
OPMD
Odontogenic tumours
Priyanga Ranasinghe
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
76
0.905
Clinical Pharmacology
Hypertension
Non-Communicable Diseases
Umesh Jayarajah
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
80
0.988
Surgery
Cancer
Epidemiology
Arjuna P De Silva
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
46
0.568
NR De Silva
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
53
0.663
Medical Parasitology
Soil transmitted helminths
Medical Education
Vajira Hw Dissanayake
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
53
0.663
Genetics and Genomics
Biomedical and Health Informatics
Bioethics
A Pathmeswaran
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
57
0.740
Public Health
Biostatistics
Epidemiology
Medical education
Indika Gawarammana
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
64
0.842
toxicology
snake envenomation
snake antivenom
Anuradhani Kasturiratne
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
68
0.907
Epidemiology of non communicable diseases
Health Economics
Snakebite
Shaman Rajindrajith
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
64
0.877
Pediatrics
Gastroenterology
Medicine
Aruna Dharshan De Silva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
62
0.886
Immunology
Molecular Biology
Virology
Jayasinghe Lalith Fnassl
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
70
44
0.629
Natural Product Chemistry
Nuwan Darshana Wickramasinghe
Rajarata University
Sylhet, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
58
0.967
Public Health
Mental Health
Occupational Health
Maternal and Child Health
Global Health
Fahim Mohamed
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
47
0.797
Pharmacology and Toxicology
Pharmacy
Renal Biomarkers
Clinical pharmacy
Pharmaceutical Sciences
Deepika Fernando
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
43
0.729
H Asita De Silva
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
49
0.845
Clinical trials
Dementia
Snakebite
Stroke
Hypertension
Niranga Manjuri Devanarayana
University of Kelaniya
Kelaniya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
51
0.895
Gastroenterology
Physiology
Paediatrics
Medicine
Preethi Vidya Udagama
University of Colombo
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
32
0.571
immunology
medical biotechnology
stem cell research
malaria immunoepidemiology
cytokines in NIDS