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" (870,053 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
Jane Suiter
Political Communication
Political Behaviour
Deliberation
Political Trust
Referendums
Metrics
H-Index
i10 Index
Citation
34
62
5,473
* Rankings
Ranking Based On Selection: 2
Maura Conway
Violent Extremism
Terrorism
Radicalisation
Internet
Cyberterrorism
Metrics
H-Index
i10 Index
Citation
34
56
4,566
* Rankings
Ranking Based On Selection: 3
Audrey Bryan
Comparative & International Education
Sociology
Anti-racism
Gender & Sexuality
Climate Crisis
Metrics
H-Index
i10 Index
Citation
24
31
2,233
* Rankings
Ranking Based On Selection: 4
Iain Mcmenamin
Comparative Politics
Political Finance
Political Economy
Australia
Poland
Metrics
H-Index
i10 Index
Citation
23
29
1,565
* Rankings
Ranking Based On Selection: 6
Donnacha Ó Beacháin
Post-Soviet Politics
De Facto States
Central Asian Politics
South Caucasus
Irish Foreign Policy
Metrics
H-Index
i10 Index
Citation
20
31
1,694
Jivanta Schottli
politics
foreign policy
maritime governance
Indian Ocean
India
Metrics
H-Index
i10 Index
Citation
9
9
346
Dannica Fleuss
political theory
critical theory
political philosophy
deliberative democracy
empirical methods
Metrics
H-Index
i10 Index
Citation
7
7
223
* Rankings
Ranking Based On Selection: 10
Mel Duffy
Sexuality
identity
gender
marginalisation
disability
Metrics
H-Index
i10 Index
Citation
7
6
338

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* Rankings
Ranking Based On Selection: 11
Michael Courtney
Political Science
Quantitative Methods
Political Communication
Gender
Text Analysis
Metrics
H-Index
i10 Index
Citation
6
3
108
* Rankings
Ranking Based On Selection: 13
Lisa Mcinerney
Terrorism
Violent Extremism
Political Violence
Radicalisation
Radicalization
Metrics
H-Index
i10 Index
Citation
4
3
548
* Rankings
Ranking Based On Selection: 14
Ellen Breen
library information science
Academic Libraries
Scholarly Communication
Information Literacy
Open Research
Metrics
H-Index
i10 Index
Citation
4
1
71
Rankings
Ranking Based On Selection: 1
Jane Suiter
Metrics
H-Index
i10 Index
Citation Counts
34
62
5,473
Political Communication
Political Behaviour
Deliberation
Political Trust
Referendums
Rankings
Ranking Based On Selection: 2
Maura Conway
Metrics
H-Index
i10 Index
Citation Counts
34
56
4,566
Violent Extremism
Terrorism
Radicalisation
Internet
Cyberterrorism
Rankings
Ranking Based On Selection: 3
Audrey Bryan
Metrics
H-Index
i10 Index
Citation Counts
24
31
2,233
Comparative & International Education
Sociology
Anti-racism
Gender & Sexuality
Climate Crisis
Rankings
Ranking Based On Selection: 4
Iain Mcmenamin
Metrics
H-Index
i10 Index
Citation Counts
23
29
1,565
Comparative Politics
Political Finance
Political Economy
Australia
Poland
Rankings
Ranking Based On Selection: 5
Diarmuid Torney
Metrics
H-Index
i10 Index
Citation Counts
20
34
1,503
Rankings
Ranking Based On Selection: 6
Donnacha Ó Beacháin
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,694
Post-Soviet Politics
De Facto States
Central Asian Politics
South Caucasus
Irish Foreign Policy
Rankings
Ranking Based On Selection: 7
Gary Murphy
Metrics
H-Index
i10 Index
Citation Counts
18
30
1,270
Rankings
Ranking Based On Selection: 8
Jivanta Schottli
Metrics
H-Index
i10 Index
Citation Counts
9
9
346
politics
foreign policy
maritime governance
Indian Ocean
India
Rankings
Ranking Based On Selection: 9
Dannica Fleuss
Metrics
H-Index
i10 Index
Citation Counts
7
7
223
political theory
critical theory
political philosophy
deliberative democracy
empirical methods
Rankings
Ranking Based On Selection: 10
Mel Duffy
Metrics
H-Index
i10 Index
Citation Counts
7
6
338
Sexuality
identity
gender
marginalisation
disability

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
Michael Courtney
Metrics
H-Index
i10 Index
Citation Counts
6
3
108
Political Science
Quantitative Methods
Political Communication
Gender
Text Analysis
Rankings
Ranking Based On Selection: 12
Ross Carroll
Metrics
H-Index
i10 Index
Citation Counts
5
2
46
Rankings
Ranking Based On Selection: 13
Lisa Mcinerney
Metrics
H-Index
i10 Index
Citation Counts
4
3
548
Terrorism
Violent Extremism
Political Violence
Radicalisation
Radicalization
Rankings
Ranking Based On Selection: 14
Ellen Breen
Metrics
H-Index
i10 Index
Citation Counts
4
1
71
library information science
Academic Libraries
Scholarly Communication
Information Literacy
Open Research
Rankings
Ranking Based On Selection: 15
Siobhán Dunne
Metrics
H-Index
i10 Index
Citation Counts
3
1
40