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
![Karoli N. Njau|Njau Karoli N., Njau Karoli Nicholas](https://cdn.adscientificindex.com/pictures/44/100789.jpg)
Environmental management
water and wastewater purification
reuse and recycling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
66
0.868
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Flower Ezekiel Msuya](https://cdn.adscientificindex.com/pictures/58/4992741.jpg)
Seaweed farming
integrated aquaculture
climate change
gender in agricultural science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
48
0.762
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Gabriel Shirima](https://cdn.adscientificindex.com/pictures/6c/97958.jpg)
Zoonoses
Antimicrobial Resistance
One Health and emerging and re-emerging infectious zoonoses
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
51
0.944
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Askwar Hilonga](https://cdn.adscientificindex.com/pictures/1d/104369.jpg)
Materials Science
Nanotechnology
Water Purification
Renewable Energy
Entrepreneurship
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
36
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Matern SP Mtolera](https://cdn.adscientificindex.com/pictures/00/4324784.jpg)
marine plant physiology
aquaculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
29
0.617
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Amos Majule](https://cdn.adscientificindex.com/pictures/b6/103850.jpg)
Agriculture and Food Security
Soil science
Natural resource
Land use
Climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
18
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Joel S. Mtebe](https://cdn.adscientificindex.com/pictures/13/100167.jpg)
Human Computer Interaction
eLearning systems
mobile learning
Open Educational Resources
egovernment systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
40
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Hulda Swai](/user/assets/images/profile/no-profile-photo.png)
NANOSCIENCE
BIO-MATERIALS
BIOMEDICAL SCIENCES
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
33
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Camilius A. Sanga](https://cdn.adscientificindex.com/pictures/3d/105315.jpg)
ICT for Development
ICT4D
ICTD
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
28
0.636
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Komakech C. Hans](https://cdn.adscientificindex.com/pictures/62/101180.jpg)
Water
sanitation
irrigation and management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
37
0.902
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Felix Chami](https://cdn.adscientificindex.com/pictures/8b/4324783.jpg)
Swahili Coastal Archaeology and Heritage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
21
0.512
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Richard Kangalawe](https://cdn.adscientificindex.com/pictures/15/89444.jpg)
Natural resources management
Agriculture
Land use/cover change
Climate change
Livelihoods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
23
0.590
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Yusufu Abeid Chande Jande](https://cdn.adscientificindex.com/pictures/d8/92511.jpg)
Desalination
composite materials
CO2 capture
Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
38
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Henry Laswai](https://cdn.adscientificindex.com/pictures/72/4308572.jpg)
Food Science
Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
22
0.579
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Nerey Mvungi](https://cdn.adscientificindex.com/pictures/0b/95709.jpg)
last mile connectivity
security
information systems
control
instrumentation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
18
0.474
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Samson Kiware](/user/assets/images/profile/no-profile-photo.png)
Data science
mathematical modelling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
30
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Thomas Thomas Kivevele](https://cdn.adscientificindex.com/pictures/63/91521.jpg)
Bio-fuels
Solar energy applications and Drying technologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
32
0.970
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Makenya Maboko](https://cdn.adscientificindex.com/pictures/32/93124.jpg)
Geology
Geochemistry
Metamorphic Petrology
Geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
11
0.344
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Athanasia Matemu](https://cdn.adscientificindex.com/pictures/fe/4346310.jpg)
Food Biotechnology
Functional Foods
Underutilized/explored food resources
Food Safety
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
28
0.903
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Thierry Stephane Nouidui](https://cdn.adscientificindex.com/pictures/d5/91487.jpg)
Scientific Computation
Building Energy Informatics
Modelica
FMI
Education in Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Razack Lokina](https://cdn.adscientificindex.com/pictures/5e/89292.jpg)
Environment and Natural Resources Economics
Microeconometrics
poverty analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Samwel Manyele](/user/assets/images/profile/no-profile-photo.png)
Solid Waste Management
Industrial Wastewater Treatment
Drinking Water Quality
Circulating Fluidized Beds
Clusters in CFB Ri
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Shukrani Elisha Manya](https://cdn.adscientificindex.com/pictures/aa/90683.jpg)
Geology
Geochemistry
Geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
17
0.630
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Mussa M. Kissaka](https://cdn.adscientificindex.com/pictures/7a/95286.jpg)
Wireless Communication
Optical Fiber Communication
Electronics
ICT
eLearning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
14
0.519
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Lusato R. Kurwijila](https://cdn.adscientificindex.com/pictures/e0/92687.jpg)
Dairy production
dairy processing
dairy marketing
food safety
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
12
0.444
Karoli N. Njau|Njau Karoli N., Njau Karoli Nicholas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
66
0.868
Environmental management
water and wastewater purification
reuse and recycling
Flower Ezekiel Msuya
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
48
0.762
Seaweed farming
integrated aquaculture
climate change
gender in agricultural science
Gabriel Shirima
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
51
0.944
Zoonoses
Antimicrobial Resistance
One Health and emerging and re-emerging infectious zoonoses
Askwar Hilonga
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
36
0.750
Materials Science
Nanotechnology
Water Purification
Renewable Energy
Entrepreneurship
Matern SP Mtolera
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
29
0.617
marine plant physiology
aquaculture
Amos Majule
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
18
0.400
Agriculture and Food Security
Soil science
Natural resource
Land use
Climate change
Joel S. Mtebe
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
40
0.909
Human Computer Interaction
eLearning systems
mobile learning
Open Educational Resources
egovernment systems
Hulda Swai
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
33
0.750
NANOSCIENCE
BIO-MATERIALS
BIOMEDICAL SCIENCES
Camilius A. Sanga
Sokoine University of Agriculture
Morogoro, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
28
0.636
ICT for Development
ICT4D
ICTD
Komakech C. Hans
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
37
0.902
Water
sanitation
irrigation and management
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Felix Chami
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
21
0.512
Swahili Coastal Archaeology and Heritage
Richard Kangalawe
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
23
0.590
Natural resources management
Agriculture
Land use/cover change
Climate change
Livelihoods
Yusufu Abeid Chande Jande
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
38
1.000
Desalination
composite materials
CO2 capture
Energy
Henry Laswai
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
22
0.579
Food Science
Agriculture
Nerey Mvungi
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
18
0.474
last mile connectivity
security
information systems
control
instrumentation
Samson Kiware
Ifakara Health Institute
Ifakara, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
30
0.857
Data science
mathematical modelling
Thomas Thomas Kivevele
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
32
0.970
Bio-fuels
Solar energy applications and Drying technologies
Makenya Maboko
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
11
0.344
Geology
Geochemistry
Metamorphic Petrology
Geochronology
Athanasia Matemu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
28
0.903
Food Biotechnology
Functional Foods
Underutilized/explored food resources
Food Safety
Thierry Stephane Nouidui
United African University of Tanzania
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
Scientific Computation
Building Energy Informatics
Modelica
FMI
Education in Africa
Razack Lokina
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
Environment and Natural Resources Economics
Microeconometrics
poverty analysis
Samwel Manyele
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
Solid Waste Management
Industrial Wastewater Treatment
Drinking Water Quality
Circulating Fluidized Beds
Clusters in CFB Ri
Shukrani Elisha Manya
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
17
0.630
Geology
Geochemistry
Geochronology
Mussa M. Kissaka
University of Dar Es Salaam
Dar es Salaam, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
14
0.519
Wireless Communication
Optical Fiber Communication
Electronics
ICT
eLearning
Lusato R. Kurwijila
Sokoine University of Agriculture
Morogoro, Tanzania
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
12
0.444
Dairy production
dairy processing
dairy marketing
food safety