Total 2,449,322 scientists, country 221, and institutions 24,477 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1

Economics
Finance
Econophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
18
0.409
* Total i10 IndexRankings
Ranking Based On Selection: 2

plant cell biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
5
0.122
* Total i10 IndexRankings
Ranking Based On Selection: 3

Internet measurement
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
11
0.306
* Total i10 IndexRankings
Ranking Based On Selection: 4

International Relations
Religion
Nationalism
Human Security
South Asia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
21
0.636
* Total i10 IndexRankings
Ranking Based On Selection: 5

Communication
New Media
Local Community
Disaster
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
* Total i10 IndexRankings
Ranking Based On Selection: 6

mutagenesis
DNA repair
oxidative stress
genome integrity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
6
0.200
* Total i10 IndexRankings
Ranking Based On Selection: 7

Quantum Hybrid Systems
Quantum Optics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
20
0.690
* Total i10 IndexRankings
Ranking Based On Selection: 8

Soil science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
* Total i10 IndexRankings
Ranking Based On Selection: 9

American politics
comparative politics
public opinion
race and ethnicity
sports
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
7
0.350
* Total i10 IndexRankings
Ranking Based On Selection: 10

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
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* Total i10 IndexRankings
Ranking Based On Selection: 11

Community psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
4
0.286
* Total i10 IndexRankings
Ranking Based On Selection: 12

International relations
Japan
Sino-Japanese
US-China-Japan Relations
Indo-Pacific
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 13

photodetector
photovoltaic
photoconductors
optical materials
electrochemical
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
4
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 14

social psychology
trauma
memory
peacebuilding
peace education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 15

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
5
0.455
* Total i10 IndexRankings
Ranking Based On Selection: 16

Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 17

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
3
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 18

security studies
cybersecurity
cyber diplomacy
Japan
EU-Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
* Total i10 IndexRankings
Ranking Based On Selection: 19

International political economy
political institutions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
* Total i10 IndexRankings
Ranking Based On Selection: 20

Creativity
Reflective Practice
Professional Development
EAP
Teacher Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 IndexRankings
Ranking Based On Selection: 21

Old Testament
Hebrew Bible
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 IndexRankings
Ranking Based On Selection: 22

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
* Total i10 IndexRankings
Ranking Based On Selection: 23

International Relations
Global Governance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
* Total i10 IndexRankings
Ranking Based On Selection: 24

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 25

Japanese history
1923 Great Kanto Earthquake
environmental history
red-crowned crane
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Taisei Kaizoji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
18
0.409
Robert Ridge
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
5
0.122
Keisuke Ishibashi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
11
0.306
Giorgio Shani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
21
0.636
International Relations
Religion
Nationalism
Human Security
South Asia
Joo Young Jung
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
Communication
New Media
Local Community
Disaster
Tatsuo Nunoshiba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
6
0.200
Rekishu Yamazaki
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
20
0.690
Ryosuke Fujinuma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
Christian Collet
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
7
0.350
American politics
comparative politics
public opinion
race and ethnicity
sports
Suzanne Quay
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
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!
Toshi Sasao
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
4
0.286
Stephen R Nagy|Stephen NAGY, ナギ・スティーブン・R, スティーブン・ナギ
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
International relations
Japan
Sino-Japanese
US-China-Japan Relations
Indo-Pacific
Ichitaro Saito 斎藤 市太郎
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
4
0.333
photodetector
photovoltaic
photoconductors
optical materials
electrochemical
Alma Jeftic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
social psychology
trauma
memory
peacebuilding
peace education
Seunghun J Lee
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
5
0.455
Koemhong Sol
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Tomoo Matsumura
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
3
0.333
Wilhelm Vosse|Wilhelm M. Vosse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
security studies
cybersecurity
cyber diplomacy
Japan
EU-Japan
Sawa Omori
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
Peter Brereton
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
Creativity
Reflective Practice
Professional Development
EAP
Teacher Development
Johannes Unsok Ro
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
Takashi Kibe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
Katsuhiko Mori
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
International Relations
Global Governance
Kayo Terada
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Janet Borland
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Japanese history
1923 Great Kanto Earthquake
environmental history
red-crowned crane