Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Fredros O. Okumu](https://cdn.adscientificindex.com/pictures/65/4606466.jpg)
Biology & Control of Disease Vectors
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
122
0.946
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Nicodem James Govella](https://cdn.adscientificindex.com/pictures/40/4606442.jpg)
Malaria
Mosquito Ecology
Behaviour and Transmission and Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
42
0.955
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Halfan S. Ngowo](https://cdn.adscientificindex.com/pictures/f2/4606404.jpg)
Mosquito Control
Quantitative Ecology
Population Biology
Bayesian Statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
38
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Issa Lyimo](https://cdn.adscientificindex.com/pictures/29/4606385.jpg)
Insect Vector Ecology and Behaviour
Insecticide Resistance
and Interventions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
17
0.708
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Maganga Sambo](https://cdn.adscientificindex.com/pictures/b1/4606372.jpg)
Infectious diseases
rabies
ecology and environmental
zoonoses
neglected diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Elis Pa Batista](https://cdn.adscientificindex.com/pictures/d2/4606252.jpg)
Parasitology
Entomology
Mosquito behavior and Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Emmanuel Hape](https://cdn.adscientificindex.com/pictures/97/4606236.jpg)
Mosquito Biology
Ecology & Malaria Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Felician Meza](https://cdn.adscientificindex.com/pictures/6e/4606235.jpg)
Medical parasitology and entomology
malaria vector ecology and vector control tools
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Fredros O. Okumu
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
122
0.946
Biology & Control of Disease Vectors
Nicodem James Govella
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
42
0.955
Malaria
Mosquito Ecology
Behaviour and Transmission and Control
Halfan S. Ngowo
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
38
1.000
Mosquito Control
Quantitative Ecology
Population Biology
Bayesian Statistics
Issa Lyimo
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
17
0.708
Insect Vector Ecology and Behaviour
Insecticide Resistance
and Interventions
Maganga Sambo
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Infectious diseases
rabies
ecology and environmental
zoonoses
neglected diseases
Elis Pa Batista
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Parasitology
Entomology
Mosquito behavior and Ecology
Emmanuel Hape
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Mosquito Biology
Ecology & Malaria Control
Felician Meza
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Medical parasitology and entomology
malaria vector ecology and vector control tools