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
Global Mental Health
Health Services Research
Health Disparities
Child & Adolescent MH
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
127
121
0.953
* Total i10 IndexRankings
Ranking Based On Selection :2
Psychiatry and Mental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
41
0.526
* Total i10 IndexRankings
Ranking Based On Selection :3
Psychiatry
mental health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
39
0.750
* Total i10 IndexRankings
Ranking Based On Selection :4
Psychiatry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
* Total i10 IndexRankings
Ranking Based On Selection :5
Psychotrauma
psychology
Addiction medicine
medical Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
* Total i10 IndexRankings
Ranking Based On Selection :6
Psychiatry
mental health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
* Total i10 IndexRankings
Ranking Based On Selection :7
Subspeciality
Child Psychiatry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
5
0.417
* Total i10 IndexRankings
Ranking Based On Selection :8
psychiatry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
General Psychiatry
Addiction Psychiatry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Manasi Kumar
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
127
121
0.953
Global Mental Health
Health Services Research
Health Disparities
Child & Adolescent MH
David Ndetei
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
41
0.526
Othieno Cj
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
52
39
0.750
Muthoni Mathai
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
25
0.926
Francisca Ongecha Owuor
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
Psychotrauma
psychology
Addiction medicine
medical Education
Pius Kigamwa
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
Omolo Otieno Erasto
Maseno University
Maseno, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
5
0.417
Subspeciality
Child Psychiatry
Daniel Kinyanjui
Moi University
Eldoret, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
David Kagwi Wairoto
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
General Psychiatry
Addiction Psychiatry