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Highly Cited Researchers

Highly Cited Researchers 60 Scientists Citation Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 60 scientists , Updates every 3 days
* Total Citation Counts Rankings

Rankings

flag
716,361
World Rank
Tanzania
283
Country Rank
Open University of Tanzania Logo
1
University
Ranking Based On Selection:
1
Matobola Joel Mihale
Open University of Tanzania Dar es Salaam, Tanzania
Medical and Health Sciences / Biochemistry
Environmental Analysis | Natural pesticides | Instrumentation | Environmental Chemistry | Ethnobotan

Citation Metrics

  • Total
    1,074
  • Last 5 Years
    571
  • Last 5 Years / Total
    0.532
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* Total Citation Counts Rankings

Rankings

flag
804,795
World Rank
Tanzania
358
Country Rank
Open University of Tanzania Logo
2
University
Ranking Based On Selection:
2
Cosmas Mnyanyi
Open University of Tanzania Dar es Salaam, Tanzania
Education / Special Education
Special and Inclusive Education | Digital Inclusion | Artificial Intelligence | Action Researc

Citation Metrics

  • Total
    844
  • Last 5 Years
    616
  • Last 5 Years / Total
    0.730
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* Total Citation Counts Rankings

Rankings

flag
895,257
World Rank
Tanzania
467
Country Rank
Open University of Tanzania Logo
3
University
Ranking Based On Selection:
3
Esther Marijani
Open University of Tanzania Dar es Salaam, Tanzania
Agriculture & Forestry / Fisheries
aquaculture and microbiolog

Citation Metrics

  • Total
    663
  • Last 5 Years
    549
  • Last 5 Years / Total
    0.828
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* Total Citation Counts Rankings

Rankings

flag
934,005
World Rank
Tanzania
503
Country Rank
Open University of Tanzania Logo
4
University
Ranking Based On Selection:
4
Said MS Massomo
Open University of Tanzania Dar es Salaam, Tanzania
Agriculture & Forestry / Plant Science
Plant Pathology | Integrated Pest Managemen

Citation Metrics

  • Total
    602
  • Last 5 Years
    305
  • Last 5 Years / Total
    0.507
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* Total Citation Counts Rankings

Rankings

flag
1,046,404
World Rank
Tanzania
654
Country Rank
Open University of Tanzania Logo
5
University
Ranking Based On Selection:
5
Paulo Wilfred
Open University of Tanzania Dar es Salaam, Tanzania
Others
Conservation Scienc

Citation Metrics

  • Total
    464
  • Last 5 Years
    291
  • Last 5 Years / Total
    0.627
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* Total Citation Counts Rankings

Rankings

flag
1,058,224
World Rank
Tanzania
667
Country Rank
Open University of Tanzania Logo
6
University
Ranking Based On Selection:
6
Jan-Erik Jaensson
Open University of Tanzania Dar es Salaam, Tanzania
Business & Management / Marketing
Market orientation | entrepreneurial orientation | SME | tourism | service marketin

Citation Metrics

  • Total
    452
  • Last 5 Years
    171
  • Last 5 Years / Total
    0.378
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* Total Citation Counts Rankings

Rankings

flag
1,086,872
World Rank
Tanzania
713
Country Rank
Open University of Tanzania Logo
7
University
Ranking Based On Selection:
7
Emmanuel Kigadye
Open University of Tanzania Dar es Salaam, Tanzania
Natural Sciences / Biological Science
Life sciences | Public health | Environmental Health | Malaria Entomology | Malaria Epidemiolog

Citation Metrics

  • Total
    423
  • Last 5 Years
    339
  • Last 5 Years / Total
    0.801
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* Total Citation Counts Rankings

Rankings

flag
1,090,311
World Rank
Tanzania
717
Country Rank
Open University of Tanzania Logo
8
University
Ranking Based On Selection:
8
Joseph Magali
Open University of Tanzania Dar es Salaam, Tanzania
Business & Management / Marketing
Marketing | Agribusiness | Finance | Microfinanc

Citation Metrics

  • Total
    420
  • Last 5 Years
    252
  • Last 5 Years / Total
    0.600
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* Total Citation Counts Rankings

Rankings

flag
1,100,909
World Rank
Tanzania
734
Country Rank
Open University of Tanzania Logo
9
University
Ranking Based On Selection:
9
Alex B. Makulilo
Open University of Tanzania Dar es Salaam, Tanzania
Law / Law and Legal Studies
Data privacy | electronic communications and internet governance | e-commerce | cybersecurity | intellectual property in the digita

Citation Metrics

  • Total
    410
  • Last 5 Years
    255
  • Last 5 Years / Total
    0.622
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* Total Citation Counts Rankings

Rankings

flag
1,190,429
World Rank
Tanzania
857
Country Rank
Open University of Tanzania Logo
10
University
Ranking Based On Selection:
10
Josephat Saria
Open University of Tanzania Dar es Salaam, Tanzania
Natural Sciences / Chemical Sciences
Chemistry | Environmental Chemistr

Citation Metrics

  • Total
    336
  • Last 5 Years
    260
  • Last 5 Years / Total
    0.774
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* Total Citation Counts Rankings

Rankings

flag
1,200,067
World Rank
Tanzania
868
Country Rank
Open University of Tanzania Logo
11
University
Ranking Based On Selection:
11
Kilungu, H.
Open University of Tanzania Dar es Salaam, Tanzania
Social Sciences / Tourism & Hospitality
Wildlife Biodiversity | Tourism & Climate Change | Water for the Environmen

Citation Metrics

  • Total
    329
  • Last 5 Years
    238
  • Last 5 Years / Total
    0.723
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* Total Citation Counts Rankings

Rankings

flag
1,240,032
World Rank
Tanzania
923
Country Rank
Open University of Tanzania Logo
12
University
Ranking Based On Selection:
12
Deus ngaruko
Open University of Tanzania Dar es Salaam, Tanzania
Economics & Econometrics / Economics
Agricultural Economics | Agribusiness | Development Economics | Environmental and Natural Economics | Project M&

Citation Metrics

  • Total
    302
  • Last 5 Years
    245
  • Last 5 Years / Total
    0.811
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* Total Citation Counts Rankings

Rankings

flag
1,243,869
World Rank
Tanzania
927
Country Rank
Open University of Tanzania Logo
13
University
Ranking Based On Selection:
13
Janeth Isanzu
Open University of Tanzania Dar es Salaam, Tanzania
Others
Management Science | Intellectual Capital | Human Resource | Gender Studies

Citation Metrics

  • Total
    300
  • Last 5 Years
    0
  • Last 5 Years / Total
    0.000
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* Total Citation Counts Rankings

Rankings

flag
1,255,534
World Rank
Tanzania
946
Country Rank
Open University of Tanzania Logo
14
University
Ranking Based On Selection:
14
Emmanuel Kazuva
Open University of Tanzania Dar es Salaam, Tanzania
Others
Environmental and Natural Resources …

Citation Metrics

  • Total
    293
  • Last 5 Years
    0
  • Last 5 Years / Total
    0.000
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* Total Citation Counts Rankings

Rankings

flag
1,259,795
World Rank
Tanzania
949
Country Rank
Open University of Tanzania Logo
15
University
Ranking Based On Selection:
15
Lilian C. Mutalemwa
Open University of Tanzania Dar es Salaam, Tanzania
Engineering & Technology / Electrical & Electronic Engineering
ICT | Wireless Networks | Io

Citation Metrics

  • Total
    290
  • Last 5 Years
    242
  • Last 5 Years / Total
    0.834
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* Total Citation Counts Rankings

Rankings

flag
1,284,249
World Rank
Tanzania
988
Country Rank
Open University of Tanzania Logo
16
University
Ranking Based On Selection:
16
Mohamed Salum Msoroka
Open University of Tanzania Dar es Salaam, Tanzania
Social Sciences / Open and Distance Education
Adult & tertiary education | prison education | lifelong learning | distance education | educational leadershi

Citation Metrics

  • Total
    276
  • Last 5 Years
    243
  • Last 5 Years / Total
    0.880
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* Total Citation Counts Rankings

Rankings

flag
1,398,109
World Rank
Tanzania
1,150
Country Rank
Open University of Tanzania Logo
17
University
Ranking Based On Selection:
17
France Aloyce Shayo
Open University of Tanzania Dar es Salaam, Tanzania
Others
Entrepreneurship | International Marketing | Strategic Management | Innovatio

Citation Metrics

  • Total
    221
  • Last 5 Years
    216
  • Last 5 Years / Total
    0.977
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* Total Citation Counts Rankings

Rankings

flag
1,443,961
World Rank
Tanzania
1,217
Country Rank
Open University of Tanzania Logo
18
University
Ranking Based On Selection:
18
Emmanuel Patroba Mhache
Open University of Tanzania Dar es Salaam, Tanzania
Others
Geography | Environment and Natural Resource

Citation Metrics

  • Total
    203
  • Last 5 Years
    184
  • Last 5 Years / Total
    0.906
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* Total Citation Counts Rankings

Rankings

flag
1,474,200
World Rank
Tanzania
1,267
Country Rank
Open University of Tanzania Logo
19
University
Ranking Based On Selection:
19
Saganga Kapaya
Open University of Tanzania Dar es Salaam, Tanzania
Others
Finance | Accoounting | Entrepreneurship and Management | Financial System/Development | Economic Growt

Citation Metrics

  • Total
    192
  • Last 5 Years
    171
  • Last 5 Years / Total
    0.891
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* Total Citation Counts Rankings

Rankings

flag
1,502,747
World Rank
Tanzania
1,312
Country Rank
Open University of Tanzania Logo
20
University
Ranking Based On Selection:
20
Msafiri Njoroge
Open University of Tanzania Dar es Salaam, Tanzania
Others
Entrepreneurship | Sustainability Accounting | Sustainable Tourism | and Taxatio

Citation Metrics

  • Total
    182
  • Last 5 Years
    179
  • Last 5 Years / Total
    0.984
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* Total Citation Counts Rankings

Rankings

flag
1,553,742
World Rank
Tanzania
1,380
Country Rank
Open University of Tanzania Logo
21
University
Ranking Based On Selection:
21
Evaristo Mtitu
Open University of Tanzania Dar es Salaam, Tanzania
Others
Research methods | curriculum theory and practice | teacher educatio

Citation Metrics

  • Total
    166
  • Last 5 Years
    118
  • Last 5 Years / Total
    0.711
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* Total Citation Counts Rankings

Rankings

flag
1,556,279
World Rank
Tanzania
1,384
Country Rank
Open University of Tanzania Logo
22
University
Ranking Based On Selection:
22
Juliana Kamaghe
Open University of Tanzania Dar es Salaam, Tanzania
Others
e-learning | m-learning | data science and securit

Citation Metrics

  • Total
    165
  • Last 5 Years
    144
  • Last 5 Years / Total
    0.873
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* Total Citation Counts Rankings

Rankings

flag
1,658,549
World Rank
Tanzania
1,530
Country Rank
Open University of Tanzania Logo
23
University
Ranking Based On Selection:
23
Janeth Kigobe
Open University of Tanzania Dar es Salaam, Tanzania
Others
Educatio

Citation Metrics

  • Total
    136
  • Last 5 Years
    127
  • Last 5 Years / Total
    0.934
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* Total Citation Counts Rankings

Rankings

flag
1,759,706
World Rank
Tanzania
1,705
Country Rank
Open University of Tanzania Logo
24
University
Ranking Based On Selection:
24
Noorali Jiwaji
Open University of Tanzania Dar es Salaam, Tanzania
Natural Sciences / Physics
Astronomy | Astrotourism | Environmental Physics | Science Education | Kiswahili Science terminologie

Citation Metrics

  • Total
    112
  • Last 5 Years
    70
  • Last 5 Years / Total
    0.625
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* Total Citation Counts Rankings

Rankings

flag
1,767,776
World Rank
Tanzania
1,717
Country Rank
Open University of Tanzania Logo
25
University
Ranking Based On Selection:
25
Adam Namamba
Open University of Tanzania Dar es Salaam, Tanzania
Others
Teacher Education | Teacher Educators | History Educatio

Citation Metrics

  • Total
    110
  • Last 5 Years
    92
  • Last 5 Years / Total
    0.836
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