Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as 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
Health Economics
Public Health
Health Policy and Systems Research
Pharmaco-economics
Pharmaco-epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
281
220
0.783
* Total i10 IndexRankings
Ranking Based On Selection: 2
Public Health
Health Systems and Policy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
135
0.789
* Total i10 IndexRankings
Ranking Based On Selection: 3
Health policy and systems research
public health
political economy analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
45
0.938
* Total i10 IndexRankings
Ranking Based On Selection: 4
Occupational health
Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
33
0.702
* Total i10 IndexRankings
Ranking Based On Selection: 5
Real Estate and Facilities Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
36
0.837
* Total i10 IndexRankings
Ranking Based On Selection: 6
Public Health
Health Economics
Health Systems Financing
Universal Health Coverage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
32
0.821
* Total i10 IndexRankings
Ranking Based On Selection: 7
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
20
0.690
* Total i10 IndexRankings
Ranking Based On Selection: 8
Public Health
Health Policy Analysis
Maternal and Child Health
Decentralization and Federalism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
* Total i10 IndexRankings
Ranking Based On Selection: 9
Nutrition of women and children
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
13
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 10
EEpidemiology
Zoonoses
Environmental Health & Preventive Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
20
0.833
* Total i10 IndexRankings
Ranking Based On Selection: 11
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 IndexRankings
Ranking Based On Selection: 12
public health
global health
Community medicine
Nutrition in public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
* Total i10 IndexRankings
Ranking Based On Selection: 13
Health Communication
Health Promotion
Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
* Total i10 IndexRankings
Ranking Based On Selection: 14
Public Health
Social and Mental Health
Health Services
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
12
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 15
Public Health
Disability
Social Justice
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 16
Occupational Health and Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 IndexRankings
Ranking Based On Selection: 17
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 18
Epidemiology
Public Health
cancer
injury
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection: 19
Public Health
Infectious Diseases
Antimicrobial Resistance
Health Systems Strengthening
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 20
public health
Research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 21
public health
epidemiology
physiology
HIV medicine and health Economis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 22
Public Health
Community Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 IndexRankings
Ranking Based On Selection: 23
Public Health
Immunology and epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 24
Public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 25
Public Health
Parasitology
Environmnental Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Obinna E. Onwujekwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
281
220
0.783
Health Economics
Public Health
Health Policy and Systems Research
Pharmaco-economics
Pharmaco-epidemiology
Benjamin Uzochukwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
135
0.789
Public Health
Health Systems and Policy
Chinyere Mbachu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
45
0.938
Health policy and systems research
public health
political economy analysis
Emmanuel Nwabueze Aguwa
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
33
0.702
Occupational health
Epidemiology
Aliyu Ahmad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
36
0.837
Real Estate and Facilities Management
Chima Onoka
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
32
0.821
Public Health
Health Economics
Health Systems Financing
Universal Health Coverage
Chika Onwasigwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
20
0.690
Enyi Etiaba
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
Public Health
Health Policy Analysis
Maternal and Child Health
Decentralization and Federalism
Ngozi Nnam
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
13
0.500
Nutrition of women and children
John Nwanta
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
20
0.833
EEpidemiology
Zoonoses
Environmental Health & Preventive Medicine
Aniwada Elias Chikee
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Anne Ndu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
public health
global health
Community medicine
Nutrition in public health
Ikechukwu Emmanuel Obi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Health Communication
Health Promotion
Epidemiology
Osaeloka C. Ekwueme
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
12
0.750
Public Health
Social and Mental Health
Health Services
Chinyere Onalu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
Public Health
Disability
Social Justice
Nurudeen Hussain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
Occupational Health and Epidemiology
IBRAHIM GARBA
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Samuel Azubuike
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Epidemiology
Public Health
cancer
injury
Emmanuel Ebuka Elebesunu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Public Health
Infectious Diseases
Antimicrobial Resistance
Health Systems Strengthening
Success David
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
public health
Research
Chinyere Okafor
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
public health
epidemiology
physiology
HIV medicine and health Economis
Nne-Ola Onuoha
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
Public Health
Community Nutrition
Chima Ukaji
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Public Health
Immunology and epidemiology
Olutayo Folashade Martins
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Gerald Nnamdi Attamah
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Public Health
Parasitology
Environmnental Biology