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
Metabolic Syndrome
Diabetes
Functional Foods
Antioxidants
Nutraceuticals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
55
0.873
* Total i10 IndexRankings
Ranking Based On Selection :2
Clinical and Nutritional Biochemistry
Epidemiology of Chronic Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
40
0.678
* Total i10 IndexRankings
Ranking Based On Selection :3
Agricultural Economics and Rural Development
Resource and Energy Economics
Impact Assessment
Climate Change Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
38
0.809
* Total i10 IndexRankings
Ranking Based On Selection :4
Functional foods
Phytotherapy
Heavy metal toxicity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
44
1.000
* Total i10 IndexRankings
Ranking Based On Selection :5
Civil Engineering
Construction
Infrastructure
Sustainability
Information and Communication Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
23
0.535
* Total i10 IndexRankings
Ranking Based On Selection :6
Inorganic chemistry
medicinal chemistry and material science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
40
0.952
* Total i10 IndexRankings
Ranking Based On Selection :7
Environmental
Food and Toxicological Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
* Total i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
22
0.733
* Total i10 IndexRankings
Ranking Based On Selection :9
Work Engagement
Work-life Balance
Career Development
Cyberbehaviour
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
27
0.931
* Total i10 IndexRankings
Ranking Based On Selection :10
Fish Nutrition
Climate Change
Biodiversity
Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
* Total i10 IndexRankings
Ranking Based On Selection :11
Fisheries
Aquaculture
toxicology
fish toxicology
hydrobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
* Total i10 IndexRankings
Ranking Based On Selection :12
Alternative Proteins
fish toxicology
Aquatic toxicology
Microplastic
Aquaculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
* Total i10 IndexRankings
Ranking Based On Selection :13
Macroeconomics
Monetary and Financial Economics
Econometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
21
0.778
* Total i10 IndexRankings
Ranking Based On Selection :14
Medical Microbiology
Immunology
Public Health
HIV
Parasitology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
16
0.593
* Total i10 IndexRankings
Ranking Based On Selection :15
Analytical Chemistry
Environmental Chemistry
Physical Chemistry
Computational Chemistry
Water treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
22
0.917
* Total i10 IndexRankings
Ranking Based On Selection :16
Environmental/Molecular Toxicology
Cancer immunotherapy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
20
0.833
* Total i10 IndexRankings
Ranking Based On Selection :17
Phytomedicine and chronic diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 IndexRankings
Ranking Based On Selection :18
Public Finance & Fiscal Policy
Development Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
* Total i10 IndexRankings
Ranking Based On Selection :19
Human Anatomy
Bioanthropology
forensic anthropology
musculoskeletal biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
10
0.455
* Total i10 IndexRankings
Ranking Based On Selection :20
Activist/Critical Criminology
Kidnapping
Terrorism
Radical Social Movements
Security Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
* Total i10 IndexRankings
Ranking Based On Selection :21
Natural Science- Biochemistry
Nutrition and Biochemistry
Obesity
Diabetes
medicinal plants and non- communicable diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
* Total i10 IndexRankings
Ranking Based On Selection :22
HRM
Public Administration
Gender
Law
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
18
0.900
* Total i10 IndexRankings
Ranking Based On Selection :23
Chemometrics
Electrocatalysis
Surface reaction mechanisms
Wastewater treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
* Total i10 IndexRankings
Ranking Based On Selection :24
Aquatic Toxicology/ Environmental Biology • Hydrobiology • Fish Breeding and Genetics • Science Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
16
0.800
* Total i10 IndexRankings
Ranking Based On Selection :25
Anatomy
Neuroscience
Histology
Histchemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
10
0.526
Chinedum O. Eleazu|Ogbonnaya Eleazu Chinedum
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
55
0.873
Metabolic Syndrome
Diabetes
Functional Foods
Antioxidants
Nutraceuticals
Chukwunonso Ecc Ejike
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
40
0.678
Clinical and Nutritional Biochemistry
Epidemiology of Chronic Diseases
Robert Onyeneke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
38
0.809
Agricultural Economics and Rural Development
Resource and Energy Economics
Impact Assessment
Climate Change Economics
Ademola C. Famurewa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
44
1.000
Functional foods
Phytotherapy
Heavy metal toxicity
Onuegbu O. Ugwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
23
0.535
Civil Engineering
Construction
Infrastructure
Sustainability
Information and Communication Technology
Anthony Chinonso Ekennia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
40
0.952
Inorganic chemistry
medicinal chemistry and material science
Nwogo Ajuka Obasi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
23
0.767
Environmental
Food and Toxicological Biochemistry
Chinyere A. Nwajiuba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
22
0.733
Fabian Ugwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
27
0.931
Work Engagement
Work-life Balance
Career Development
Cyberbehaviour
Johnny O. Ogunji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
Fish Nutrition
Climate Change
Biodiversity
Biotechnology
Stanley Iheanacho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
Stanley C. Iheanacho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
Alternative Proteins
fish toxicology
Aquatic toxicology
Microplastic
Aquaculture
Omoke Philip
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
21
0.778
Macroeconomics
Monetary and Financial Economics
Econometrics
Moses Alo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
16
0.593
Medical Microbiology
Immunology
Public Health
HIV
Parasitology
Chukwunonso Peter Okoli
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
22
0.917
Analytical Chemistry
Environmental Chemistry
Physical Chemistry
Computational Chemistry
Water treatment
Azubuike Peter Ebokaiwe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
20
0.833
Environmental/Molecular Toxicology
Cancer immunotherapy
Chinyere Aloke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
Kalu Ebi Uma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
Ogugua Egwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
10
0.455
Human Anatomy
Bioanthropology
forensic anthropology
musculoskeletal biology
Macpherson Uchenna Nnam
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
Activist/Critical Criminology
Kidnapping
Terrorism
Radical Social Movements
Security Studies
Ekeleme-Egedigwe Chima|Egedigwe Agatha Chima
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
Natural Science- Biochemistry
Nutrition and Biochemistry
Obesity
Diabetes
medicinal plants and non- communicable diseases
Adeline Idike
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
18
0.900
HRM
Public Administration
Gender
Law
Nnaemeka Joshua Nnochiri Nnaji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
Chemometrics
Electrocatalysis
Surface reaction mechanisms
Wastewater treatment
Ogueji Emmanuel Okechukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
16
0.800
Aquatic Toxicology/ Environmental Biology • Hydrobiology • Fish Breeding and Genetics • Science Education
Augustine Oseloka Ibegbu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
10
0.526
Anatomy
Neuroscience
Histology
Histchemistry