Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 167 Scientists Citation Rankings - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Japan
Toshio Yamagishi
psychology
sociology
behavioral economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,580
8,244
0.288
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Japan
Yuri Miyamoto
Cultural Psychology
Social Psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,227
3,714
0.451
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Japan
Kyoji Fukao (深尾京司)
Productivity
Quantitative Economic Histor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,404
1,328
0.207
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Japan
Hiroshi Ono
sociology
labor economics
demography
statistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,043
2,118
0.420
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Japan
Ichiro Iwasaki
economics
finance
meta-analysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,896
2,294
0.589
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Japan
Takashi Oshio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,587
1,861
0.519
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Japan
Christina Ahmadjian
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,565
696
0.195
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Japan
Mamoru Komachi
Computational Linguistics
Natural Language Processing
Machine Learning
Deep Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,422
2,031
0.594
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Japan
Byeongwoo Kang
Innovatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,260
1,612
0.494

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Japan
Tsuyoshi Numagami
Business Administration
Business Strategy
Methodology of Social Scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,018
428
0.142
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Japan
Hiroyuki Okamuro
industrial organization
innovation
entrepreneurship
small busines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,008
1,221
0.406
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Japan
Harry X. Wu
Economic growth
Productivity
Chinese econom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,875
614
0.214
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Japan
Masahiro Hori
Japanese Econom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,744
440
0.160
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Japan
Hiroshi Sato
China
Chinese economy
Chinese society
Chinese politic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,690
895
0.333
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Japan
Kyoko Fukukawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,522
775
0.307
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Japan
Chihiro Shimizu
Economic Measuremen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,302
1,124
0.488
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Japan
Kenta Kobayashi
Mathematic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,231
910
0.408
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Japan
Jota Ishikawa
International trade theor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,975
615
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Japan
Shinsuke Suzuki
Neuroscience
Decision Neuroscience
Social Neuroscience
Neuroeconomic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,969
1,271
0.646
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Japan
Naoto Matsuda|松田 尚人
経営学、労働衛生学、神経科学、神経�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,943
519
0.267
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Japan
Toshimichi Otsubo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,759
872
0.496
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Japan
Iichiro Uesugi
Banking and finance
Small and medium-sized enterprises
Japanese econom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,374
616
0.448
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Japan
Ryo Kambayashi
Labor Economics
Japanese Econom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,284
593
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Japan
James Routledge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,246
727
0.583
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Japan
Yukihiro Yasuda
Corporate Finance、金融論、コーポレート・ファイナン�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,197
581
0.485
* Total Citation Counts Rankings
Rankings
25,977
Japan
350
1
Ranking Based On Selection: 1
Toshio Yamagishi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,580
8,244
0.288
* Total Citation Counts Rankings
Rankings
130,773
Japan
2,458
2
Ranking Based On Selection: 2
Yuri Miyamoto
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,227
3,714
0.451
* Total Citation Counts Rankings
Rankings
170,572
Japan
3,312
3
Ranking Based On Selection: 3
Kyoji Fukao (深尾京司)
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,404
1,328
0.207
* Total Citation Counts Rankings
Rankings
215,885
Japan
4,300
4
Ranking Based On Selection: 4
Hiroshi Ono
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,043
2,118
0.420
sociology
labor economics
demography
statistic
* Total Citation Counts Rankings
Rankings
273,647
Japan
5,493
5
Ranking Based On Selection: 5
Ichiro Iwasaki
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,896
2,294
0.589
* Total Citation Counts Rankings
Rankings
293,831
Japan
5,938
6
Ranking Based On Selection: 6
Takashi Oshio
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,587
1,861
0.519
* Total Citation Counts Rankings
Rankings
295,431
Japan
5,974
7
Ranking Based On Selection: 7
Christina Ahmadjian
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,565
696
0.195
* Total Citation Counts Rankings
Rankings
305,827
Japan
6,208
8
Ranking Based On Selection: 8
Mamoru Komachi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,422
2,031
0.594
Computational Linguistics
Natural Language Processing
Machine Learning
Deep Learnin
* Total Citation Counts Rankings
Rankings
318,697
Japan
6,463
9
Ranking Based On Selection: 9
Byeongwoo Kang
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,260
1,612
0.494
* Total Citation Counts Rankings
Rankings
339,470
Japan
6,874
10
Ranking Based On Selection: 10
Tsuyoshi Numagami
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,018
428
0.142
Business Administration
Business Strategy
Methodology of Social Scienc

Smart Institutional Plan

Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.

* Total Citation Counts Rankings
Rankings
340,371
Japan
6,888
11
Ranking Based On Selection: 11
Hiroyuki Okamuro
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,008
1,221
0.406
industrial organization
innovation
entrepreneurship
small busines
* Total Citation Counts Rankings
Rankings
353,149
Japan
7,127
12
Ranking Based On Selection: 12
Harry X. Wu
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,875
614
0.214
* Total Citation Counts Rankings
Rankings
366,599
Japan
7,390
13
Ranking Based On Selection: 13
Masahiro Hori
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,744
440
0.160
* Total Citation Counts Rankings
Rankings
372,294
Japan
7,503
14
Ranking Based On Selection: 14
Hiroshi Sato
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,690
895
0.333
* Total Citation Counts Rankings
Rankings
391,415
Japan
7,922
15
Ranking Based On Selection: 15
Kyoko Fukukawa
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,522
775
0.307
* Total Citation Counts Rankings
Rankings
418,928
Japan
8,503
16
Ranking Based On Selection: 16
Chihiro Shimizu
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,302
1,124
0.488
* Total Citation Counts Rankings
Rankings
428,665
Japan
8,684
17
Ranking Based On Selection: 17
Kenta Kobayashi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,231
910
0.408
* Total Citation Counts Rankings
Rankings
467,667
Japan
9,423
18
Ranking Based On Selection: 18
Jota Ishikawa
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,975
615
0.311
* Total Citation Counts Rankings
Rankings
468,585
Japan
9,444
19
Ranking Based On Selection: 19
Shinsuke Suzuki
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,969
1,271
0.646
Neuroscience
Decision Neuroscience
Social Neuroscience
Neuroeconomic
* Total Citation Counts Rankings
Rankings
473,145
Japan
9,541
20
Ranking Based On Selection: 20
Naoto Matsuda|松田 尚人
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,943
519
0.267
経営学、労働衛生学、神経科学、神経�
* Total Citation Counts Rankings
Rankings
506,442
Japan
10,171
21
Ranking Based On Selection: 21
Toshimichi Otsubo
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,759
872
0.496
* Total Citation Counts Rankings
Rankings
591,338
Japan
11,754
22
Ranking Based On Selection: 22
Iichiro Uesugi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,374
616
0.448
Banking and finance
Small and medium-sized enterprises
Japanese econom
* Total Citation Counts Rankings
Rankings
615,365
Japan
12,187
23
Ranking Based On Selection: 23
Ryo Kambayashi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,284
593
0.462
* Total Citation Counts Rankings
Rankings
625,968
Japan
12,356
24
Ranking Based On Selection: 24
James Routledge
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,246
727
0.583
* Total Citation Counts Rankings
Rankings
640,576
Japan
12,585
25
Ranking Based On Selection: 25
Yukihiro Yasuda
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,197
581
0.485
Corporate Finance、金融論、コーポレート・ファイナン�