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" (873,690 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: 1
Valerie Ehlers
Health-related research
postgraduate nursing education
public health issues
Metrics
H-Index
i10 Index
Citation
28
57
2,107
* Rankings
Ranking Based On Selection: 2
Lindiwe Zungu
Occupational health
medicine and safety
Public health
Nursing
Primary health care
Metrics
H-Index
i10 Index
Citation
15
27
1,299
Siyabulela Mgolozeli
Gender-Based Violence
Men's Health
Nursing
LGBTQIA+ Health
Sexual & Reproductive Health
Metrics
H-Index
i10 Index
Citation
7
7
135
Dd Mphuthi
Nephrology nursing
Mens health
Health Services management
Nursing
Metrics
H-Index
i10 Index
Citation
7
3
113
* Rankings
Ranking Based On Selection: 7
Susan Njuguna
Health Policy
Governance of Health systems
Health Service Delivery
Nursing
Metrics
H-Index
i10 Index
Citation
5
3
181
Vhothusa Edward Matahela
nurse education leadership
retention
self-leadership
resilience
humanizing pedagogies
Metrics
H-Index
i10 Index
Citation
4
1
58

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Christelle Boersema
implementation science
knowledge translation
aged care
community nursing
wound care
Metrics
H-Index
i10 Index
Citation
3
2
53
* Rankings
Ranking Based On Selection: 15
Mohammed Jebreldar Abuanja Nimer|Mohammed Nimer
Global health research .Community health nursing. Family health Geriatric nursing. Medical education
Metrics
H-Index
i10 Index
Citation
3
0
25
* Rankings
Ranking Based On Selection: 16
Justice Mutua
Strategic Management
Innovation
Nursing
Research Methodology
Leadership and Curriculum Dvt.
Metrics
H-Index
i10 Index
Citation
1
0
6
Rankings
Ranking Based On Selection: 1
Valerie Ehlers
Metrics
H-Index
i10 Index
Citation Counts
28
57
2,107
Health-related research
postgraduate nursing education
public health issues
Rankings
Ranking Based On Selection: 2
Lindiwe Zungu
Metrics
H-Index
i10 Index
Citation Counts
15
27
1,299
Occupational health
medicine and safety
Public health
Nursing
Primary health care
Rankings
Ranking Based On Selection: 4
Hester C (Rina) De Swardt
Metrics
H-Index
i10 Index
Citation Counts
8
7
307
Reflection
Nursing education
professional socialisation
Rankings
Ranking Based On Selection: 5
Siyabulela Mgolozeli
Metrics
H-Index
i10 Index
Citation Counts
7
7
135
Gender-Based Violence
Men's Health
Nursing
LGBTQIA+ Health
Sexual & Reproductive Health
Rankings
Ranking Based On Selection: 6
Dd Mphuthi
Metrics
H-Index
i10 Index
Citation Counts
7
3
113
Nephrology nursing
Mens health
Health Services management
Nursing
Rankings
Ranking Based On Selection: 7
Susan Njuguna
Metrics
H-Index
i10 Index
Citation Counts
5
3
181
Health Policy
Governance of Health systems
Health Service Delivery
Nursing
Rankings
Ranking Based On Selection: 8
Vhothusa Edward Matahela
Metrics
H-Index
i10 Index
Citation Counts
4
1
58
nurse education leadership
retention
self-leadership
resilience
humanizing pedagogies
Rankings
Ranking Based On Selection: 9
Carine Prinsloo
Metrics
H-Index
i10 Index
Citation Counts
4
1
31
Rankings
Ranking Based On Selection: 10
Annah Mosalo
Metrics
H-Index
i10 Index
Citation Counts
3
3
73

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! 

Rankings
Ranking Based On Selection: 11
Poornima Ramasamy
Metrics
H-Index
i10 Index
Citation Counts
3
3
40
Obstetrics and Gynecology
Medical and Nursing Education
Rankings
Ranking Based On Selection: 12
Thanyani Lumadi
Metrics
H-Index
i10 Index
Citation Counts
3
2
126
Rankings
Ranking Based On Selection: 13
Christelle Boersema
Metrics
H-Index
i10 Index
Citation Counts
3
2
53
implementation science
knowledge translation
aged care
community nursing
wound care
Rankings
Ranking Based On Selection: 14
Mary Kung'U
Metrics
H-Index
i10 Index
Citation Counts
3
0
20
Rankings
Ranking Based On Selection: 15
Mohammed Jebreldar Abuanja Nimer|Mohammed Nimer
Metrics
H-Index
i10 Index
Citation Counts
3
0
25
Global health research .Community health nursing. Family health Geriatric nursing. Medical education
Rankings
Ranking Based On Selection: 16
Justice Mutua
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Strategic Management
Innovation
Nursing
Research Methodology
Leadership and Curriculum Dvt.
Rankings
Ranking Based On Selection: 17
Matildah Tshabalala
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 18
Grace Tshilidzi Ravhura
Metrics
H-Index
i10 Index
Citation Counts
1
0
1