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
102,436
Country Rank
40,882
Institution Rank : 1,566
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![Todd Rogers](/user/assets/images/profile/no-profile-photo.png)
Behavioral Science
Behavioral Policy
Social Psychology
Education
Political Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,433
6,127
0.650
* Total Citation Counts Rankings
World Rank
1,028,930
Country Rank
19,098
Institution Rank : 138
![](https://cdn.adscientificindex.com/logos/7312.jpg)
![Japan](/flags/jp.png)
![Ryozo Matsuda](/pictures/b5/4520796.jpg)
Health Policy
Social Policy
Political Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
322
112
0.348
* Total Citation Counts Rankings
World Rank
1,466,867
Country Rank
342,794
Institution Rank : 2,396
![](https://cdn.adscientificindex.com/logos/10897.jpg)
![United States](/flags/us.png)
![Taylor Nichols](/pictures/d0/5467606.jpg)
Health Policy
Social Determinants of Health
Political Determinants of Health
Health Systems Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83
28
0.337
* Total Citation Counts Rankings
World Ranking
102,436
Country Ranking
40,882
Institution Ranking
1,566
Todd Rogers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,433
6,127
0.650
![](https://cdn.adscientificindex.com/logos/3215.jpg)
Behavioral Science
Behavioral Policy
Social Psychology
Education
Political Science
* Total Citation Counts Rankings
World Ranking
1,028,930
Country Ranking
19,098
Institution Ranking
138
Ryozo Matsuda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
322
112
0.348
![](https://cdn.adscientificindex.com/logos/7312.jpg)
Health Policy
Social Policy
Political Science
* Total Citation Counts Rankings
World Ranking
1,466,867
Country Ranking
342,794
Institution Ranking
2,396
Taylor Nichols
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83
28
0.337
![](https://cdn.adscientificindex.com/logos/10897.jpg)
Health Policy
Social Determinants of Health
Political Determinants of Health
Health Systems Science