Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (888,752 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
Lawrence D Mapemba
Legume value chain
Economics of Sustainable Land Management
agricultural marketing
food security
agricultural policy analysi
Metrics
H-Index
i10 Index
Citation
17
25
1,218
* Rankings
Ranking Based On Selection: 4
Samson Pilanazo Katengeza
Agricultural economics
Food security
Agricultural marketing
Climate change
and Natural resources management
Metrics
H-Index
i10 Index
Citation
14
14
688
* Rankings
Ranking Based On Selection: 6
Smith G. Nkhata
Food and Health
Food Chemistry
Nutritional Biochemistry
Food Science
Food Dehydration
Metrics
H-Index
i10 Index
Citation
11
12
1,148
* Rankings
Ranking Based On Selection: 7
Keston Njira
soil microbiology
biofertilizers
bioremediation
biological nitrogen fixation
sustainable agriculture
Metrics
H-Index
i10 Index
Citation
11
12
466
* Rankings
Ranking Based On Selection: 10
Abule Mehare
Agricultural Marketing
Resource Economics and International Trade
Macroeconomic Policy
Metrics
H-Index
i10 Index
Citation
8
6
162

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* Rankings
Ranking Based On Selection: 11
Daud Jones Kachamba
Forest management
forest modelling
forest inventory
forest harvesting
Metrics
H-Index
i10 Index
Citation
7
7
431
* Rankings
Ranking Based On Selection: 12
Alfred Ngwira
Spatial Epidemiology
Bayesian Statistics
Child Health and Nutrition
Veterinary Epidemiology
Public Health
Metrics
H-Index
i10 Index
Citation
7
7
182
* Rankings
Ranking Based On Selection: 13
Trust Kasambala Donga
Pollinator bioinformatics
insect pathology
integrated pest management
hermetic storage
Metrics
H-Index
i10 Index
Citation
7
5
165
* Rankings
Ranking Based On Selection: 15
Evance Chaima
Irrigation water management
soil and water conservation
hydrology
climate change
hydropower and
Metrics
H-Index
i10 Index
Citation
6
5
1,059
* Rankings
Ranking Based On Selection: 18
Moses Limuwa
Fisheries
Development Studies
Impact Evaluation
Climate Change
Econometrics
Metrics
H-Index
i10 Index
Citation
6
3
149
* Rankings
Ranking Based On Selection: 19
Harold Chisale
Climate change and Risk management
Forest-people-climate change nexus
Climate modeling
GIS and Remote Sensing Application
an
Metrics
H-Index
i10 Index
Citation
5
3
179
* Rankings
Ranking Based On Selection: 20
Charles Jumbe
Economics and Statistics
Natural Resource management
Applied Econometrics
Metrics
H-Index
i10 Index
Citation
5
4
208
* Rankings
Ranking Based On Selection: 23
Robertson Rb Khataza
Technology adoption
Impact assessment
Efficiency and productivity analysis
Metrics
H-Index
i10 Index
Citation
4
4
211
* Rankings
Ranking Based On Selection: 27
Bonet Chikhawo Kamwana
Accounting
Finance
Food & Resource Economics
Livelihood Improvement
Metrics
H-Index
i10 Index
Citation
3
2
76
* Rankings
Ranking Based On Selection: 29
Stewart Chikomola
Animal Science
Animal Genetics
Biochemistry
Computer Programming
Statistics.
Metrics
H-Index
i10 Index
Citation
2
0
6
* Rankings
Ranking Based On Selection: 30
Maxwell Chiphwanya
Ruminant nutrition
Animal Breeding
Animal Physiology
Sustainable intensification
Metrics
H-Index
i10 Index
Citation
1
0
8
Rankings
Ranking Based On Selection: 1
Simon A. Mng'omba
Metrics
H-Index
i10 Index
Citation Counts
23
34
1,281
Rankings
Ranking Based On Selection: 2
Timothy Gondwe
Metrics
H-Index
i10 Index
Citation Counts
18
30
1,030
Rankings
Ranking Based On Selection: 3
Lawrence D Mapemba
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,218
Legume value chain
Economics of Sustainable Land Management
agricultural marketing
food security
agricultural policy analysi
Rankings
Ranking Based On Selection: 4
Samson Pilanazo Katengeza
Metrics
H-Index
i10 Index
Citation Counts
14
14
688
Agricultural economics
Food security
Agricultural marketing
Climate change
and Natural resources management
Rankings
Ranking Based On Selection: 5
Joseph G Chimungu
Metrics
H-Index
i10 Index
Citation Counts
13
13
1,489
Rankings
Ranking Based On Selection: 6
Smith G. Nkhata
Metrics
H-Index
i10 Index
Citation Counts
11
12
1,148
Food and Health
Food Chemistry
Nutritional Biochemistry
Food Science
Food Dehydration
Rankings
Ranking Based On Selection: 7
Keston Njira
Metrics
H-Index
i10 Index
Citation Counts
11
12
466
soil microbiology
biofertilizers
bioremediation
biological nitrogen fixation
sustainable agriculture
Rankings
Ranking Based On Selection: 9
Wilson Nandolo
Metrics
H-Index
i10 Index
Citation Counts
8
8
702
Animal Breeding
Genetics
Genomics
Bionformatics
Biostatistics
Rankings
Ranking Based On Selection: 10
Abule Mehare
Metrics
H-Index
i10 Index
Citation Counts
8
6
162
Agricultural Marketing
Resource Economics and International Trade
Macroeconomic Policy

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Daud Jones Kachamba
Metrics
H-Index
i10 Index
Citation Counts
7
7
431
Forest management
forest modelling
forest inventory
forest harvesting
Rankings
Ranking Based On Selection: 12
Alfred Ngwira
Metrics
H-Index
i10 Index
Citation Counts
7
7
182
Spatial Epidemiology
Bayesian Statistics
Child Health and Nutrition
Veterinary Epidemiology
Public Health
Rankings
Ranking Based On Selection: 13
Trust Kasambala Donga
Metrics
H-Index
i10 Index
Citation Counts
7
5
165
Pollinator bioinformatics
insect pathology
integrated pest management
hermetic storage
Rankings
Ranking Based On Selection: 14
Wilson Jere
Metrics
H-Index
i10 Index
Citation Counts
7
7
209
Fish Genetics
Systematics and Biostatistics
Rankings
Ranking Based On Selection: 15
Evance Chaima
Metrics
H-Index
i10 Index
Citation Counts
6
5
1,059
Irrigation water management
soil and water conservation
hydrology
climate change
hydropower and
Rankings
Ranking Based On Selection: 16
Michael M Chipeta
Metrics
H-Index
i10 Index
Citation Counts
6
5
128
Rankings
Ranking Based On Selection: 17
Ss Mosha
Metrics
H-Index
i10 Index
Citation Counts
6
4
135
Rankings
Ranking Based On Selection: 18
Moses Limuwa
Metrics
H-Index
i10 Index
Citation Counts
6
3
149
Fisheries
Development Studies
Impact Evaluation
Climate Change
Econometrics
Rankings
Ranking Based On Selection: 19
Harold Chisale
Metrics
H-Index
i10 Index
Citation Counts
5
3
179
Climate change and Risk management
Forest-people-climate change nexus
Climate modeling
GIS and Remote Sensing Application
an
Rankings
Ranking Based On Selection: 20
Charles Jumbe
Metrics
H-Index
i10 Index
Citation Counts
5
4
208
Economics and Statistics
Natural Resource management
Applied Econometrics
Rankings
Ranking Based On Selection: 21
Mwamad Salim M'balaka
Metrics
H-Index
i10 Index
Citation Counts
5
2
109
Rankings
Ranking Based On Selection: 22
Geoffrey Francis Salanje
Metrics
H-Index
i10 Index
Citation Counts
5
4
96
Rankings
Ranking Based On Selection: 23
Robertson Rb Khataza
Metrics
H-Index
i10 Index
Citation Counts
4
4
211
Technology adoption
Impact assessment
Efficiency and productivity analysis
Rankings
Ranking Based On Selection: 25
Joseph Chidanti-Malunga
Metrics
H-Index
i10 Index
Citation Counts
4
3
92
Respect & Professional Prosperity
Rankings
Ranking Based On Selection: 26
Thawani Sanjika
Metrics
H-Index
i10 Index
Citation Counts
4
1
81
Rankings
Ranking Based On Selection: 27
Bonet Chikhawo Kamwana
Metrics
H-Index
i10 Index
Citation Counts
3
2
76
Accounting
Finance
Food & Resource Economics
Livelihood Improvement
Rankings
Ranking Based On Selection: 28
Peter Fred Kalepa
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Rankings
Ranking Based On Selection: 29
Stewart Chikomola
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Animal Science
Animal Genetics
Biochemistry
Computer Programming
Statistics.
Rankings
Ranking Based On Selection: 30
Maxwell Chiphwanya
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Ruminant nutrition
Animal Breeding
Animal Physiology
Sustainable intensification
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