Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
373,417
Country Rank
122,233
Institution Rank : 1,630
![](https://cdn.adscientificindex.com/logos/1736.jpg)
![United States](/flags/us.png)
![Goleen Samari](https://cdn.adscientificindex.com/pictures/95/913270.jpg)
Health Equity
Social Demography
Reproductive Health
Migration and Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,427
2,202
0.907
* Total Citation Counts Rankings
World Rank
393,940
Country Rank
14,708
Institution Rank : 31
![](https://cdn.adscientificindex.com/logos/10417.png)
![Germany](/flags/de.png)
![Florian Schulz](/user/assets/images/profile/no-profile-photo.png)
sociology
family
life course
social demography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,263
892
0.394
* Total Citation Counts Rankings
World Rank
396,613
Country Rank
27,024
Institution Rank : 485
![](https://cdn.adscientificindex.com/logos/11001.jpg)
![United Kingdom](/flags/gb.png)
![Matthew Silk](https://cdn.adscientificindex.com/pictures/75/1137484.jpg)
Animal behaviour
Social network analysis
wildlife disease ecology
demography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,242
2,043
0.911
* Total Citation Counts Rankings
World Rank
462,535
Country Rank
11,991
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/8740.jpg)
![India](/flags/in.png)
![Muthusamy Sivakami](https://cdn.adscientificindex.com/pictures/84/406690.jpg)
Gender and health
Public health
Demography
Women and health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,813
1,589
0.876
* Total Citation Counts Rankings
World Rank
658,180
Country Rank
197,755
Institution Rank : 134
![](https://cdn.adscientificindex.com/logos/8840.png)
![United States](/flags/us.png)
![Jeff A Dennis](https://cdn.adscientificindex.com/pictures/29/1734445.jpg)
Population Health
Demography
Social Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,028
738
0.718
* Total Citation Counts Rankings
World Rank
800,242
Country Rank
9,269
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/10215.jpg)
![Indonesia](/flags/id.png)
![Purwo Setiyo Nugroho](https://cdn.adscientificindex.com/pictures/2e/4312308.jpg)
Public Health
Structural Equation Model
Social Epidemiology
Biostatistics
Applied Demography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
689
674
0.978
* Total Citation Counts Rankings
World Rank
855,346
Country Rank
243,552
Institution Rank : 1,289
![](https://cdn.adscientificindex.com/logos/2313.jpg)
![United States](/flags/us.png)
![Moses Chapa Kiti](/pictures/4d/4479070.jpg)
epidemiology
demography
social networks
complex systems
agent based modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
584
498
0.853
* Total Citation Counts Rankings
World Rank
921,966
Country Rank
20,373
Institution Rank : 231
![](https://cdn.adscientificindex.com/logos/4975.png)
![Türkiye](/flags/tr.png)
![Kemal Aydin](/user/assets/images/profile/no-profile-photo.png)
social stratification
sociology of public health
demography
economy and society
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
470
301
0.640
* Total Citation Counts Rankings
World Rank
1,061,038
Country Rank
42,935
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/3698.png)
![India](/flags/in.png)
![Allen P Ugargol](/pictures/2c/4820564.jpg)
Health Policy
Health Systems
Aging
Social Demography
Primary Care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
287
253
0.882
* Total Citation Counts Rankings
World Rank
1,590,684
Country Rank
361,036
Institution Rank : 1,191
![](https://cdn.adscientificindex.com/logos/2655.jpg)
![United States](/flags/us.png)
![David Aduragbemi Okunlola](/pictures/b5/5616579.jpg)
Health Demography
Social Demography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56
56
1.000
* Total Citation Counts Rankings
World Rank
2,068,386
Country Rank
41,504
Institution Rank : 928
![](https://cdn.adscientificindex.com/logos/10860.png)
![Nigeria](/flags/ng.png)
![Owie Ukponahiusi](/pictures/79/5031023.jpg)
Family/Child Welfare
Medical Social Work
Mental/public Health
Demography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total Citation Counts Rankings
World Ranking
373,417
Country Ranking
122,233
Institution Ranking
1,630
Goleen Samari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,427
2,202
0.907
![](https://cdn.adscientificindex.com/logos/1736.jpg)
Health Equity
Social Demography
Reproductive Health
Migration and Health
* Total Citation Counts Rankings
World Ranking
393,940
Country Ranking
14,708
Institution Ranking
31
Florian Schulz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,263
892
0.394
![](https://cdn.adscientificindex.com/logos/10417.png)
sociology
family
life course
social demography
* Total Citation Counts Rankings
World Ranking
396,613
Country Ranking
27,024
Institution Ranking
485
Matthew Silk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,242
2,043
0.911
![](https://cdn.adscientificindex.com/logos/11001.jpg)
Animal behaviour
Social network analysis
wildlife disease ecology
demography
* Total Citation Counts Rankings
World Ranking
462,535
Country Ranking
11,991
Institution Ranking
4
Muthusamy Sivakami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,813
1,589
0.876
![](https://cdn.adscientificindex.com/logos/8740.jpg)
Gender and health
Public health
Demography
Women and health
* Total Citation Counts Rankings
World Ranking
658,180
Country Ranking
197,755
Institution Ranking
134
Jeff A Dennis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,028
738
0.718
![](https://cdn.adscientificindex.com/logos/8840.png)
Population Health
Demography
Social Epidemiology
* Total Citation Counts Rankings
World Ranking
800,242
Country Ranking
9,269
Institution Ranking
4
Purwo Setiyo Nugroho
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
689
674
0.978
![](https://cdn.adscientificindex.com/logos/10215.jpg)
Public Health
Structural Equation Model
Social Epidemiology
Biostatistics
Applied Demography
* Total Citation Counts Rankings
World Ranking
855,346
Country Ranking
243,552
Institution Ranking
1,289
Moses Chapa Kiti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
584
498
0.853
![](https://cdn.adscientificindex.com/logos/2313.jpg)
epidemiology
demography
social networks
complex systems
agent based modeling
* Total Citation Counts Rankings
World Ranking
921,966
Country Ranking
20,373
Institution Ranking
231
Kemal Aydin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
470
301
0.640
![](https://cdn.adscientificindex.com/logos/4975.png)
social stratification
sociology of public health
demography
economy and society
* Total Citation Counts Rankings
World Ranking
1,061,038
Country Ranking
42,935
Institution Ranking
21
Allen P Ugargol
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
287
253
0.882
![](https://cdn.adscientificindex.com/logos/3698.png)
Health Policy
Health Systems
Aging
Social Demography
Primary Care
* Total Citation Counts Rankings
World Ranking
1,590,684
Country Ranking
361,036
Institution Ranking
1,191
David Aduragbemi Okunlola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56
56
1.000
![](https://cdn.adscientificindex.com/logos/2655.jpg)
Health Demography
Social Demography
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* Total Citation Counts Rankings
World Ranking
2,068,386
Country Ranking
41,504
Institution Ranking
928
Owie Ukponahiusi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/10860.png)
Family/Child Welfare
Medical Social Work
Mental/public Health
Demography