Subject Rankings

United Nations Subject Rankings 2025

Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings along with their 197 sub-branches, can be analyzed at global, national, and regional levels. You can also evaluate them based on the i10 index and citation numbersAs of Sep 18, 2024, rankings are according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in beta. This is due to the exclusion of (1.014.193) scientists categorized under 'others,' whose profiles cannot yet be determined, edited, or classified. As these fields are updated, the rankings will adjust accordingly. Please keep this in mind. See Also: [University Subject Rankings]

* Total H IndexRankings
Ranking Based On Selection :1
Klaus F Zimmermann
Economics
Labor Economics
Population Economics
Migration
Metrics
H-Index
i10 Index
Citation Counts
88
318
28,980
* Total H IndexRankings
Ranking Based On Selection :2
Manzoor Qadir
Unconventional water resources
water recycling and reuse
water quality and environmental health
water security
land degradat
Metrics
H-Index
i10 Index
Citation Counts
65
129
19,716
* Total H IndexRankings
Ranking Based On Selection :3
Zhiming Liu
Computer Science
Software Engineering
Metrics
H-Index
i10 Index
Citation Counts
55
226
12,241
* Total H IndexRankings
Ranking Based On Selection :4
Dirk Messner
Sustainability Research
Digital Transformations
Global Governance
Climate Politics
Metrics
H-Index
i10 Index
Citation Counts
51
152
12,340
* Total H IndexRankings
Ranking Based On Selection :5
HJ Gijzen
biotechnology
microbiology
wastewater treatment
environmental engineering
pollution prevention and resource recovery
Metrics
H-Index
i10 Index
Citation Counts
50
110
9,070
* Total H IndexRankings
Ranking Based On Selection :6
Vladimir Smakhtin
Water
hydrology
floods
droughts
environmental flows
Metrics
H-Index
i10 Index
Citation Counts
48
113
13,167
* Total H IndexRankings
Ranking Based On Selection :7
Gulab Singh
National Accounts
Official Statistics and Economics
Metrics
H-Index
i10 Index
Citation Counts
46
298
11,100
* Total H IndexRankings
Ranking Based On Selection :8
Tony Addison
Oil and gas
Mining
Extractives
Aid
Poverty
Metrics
H-Index
i10 Index
Citation Counts
46
111
7,419
* Total H IndexRankings
Ranking Based On Selection :9
Shahbaz Khan
Water
environment
irrigation
modeling
hydrology
Metrics
H-Index
i10 Index
Citation Counts
39
110
8,923
* Total H IndexRankings
Ranking Based On Selection :10
Marwan Khawaja
demography
public health
collective action
social statistics
Metrics
H-Index
i10 Index
Citation Counts
39
58
4,248
* Total H IndexRankings
Ranking Based On Selection :11
Zita Sebesvari
Disaster risk reduction and adptation
risk tipping points
ecosystem loss and damege
Metrics
H-Index
i10 Index
Citation Counts
38
57
7,687
* Total H IndexRankings
Ranking Based On Selection :12
Jamal Hisham Hashim
Professor of Environmental Health
Metrics
H-Index
i10 Index
Citation Counts
38
69
4,687
* Total H IndexRankings
Ranking Based On Selection :14
Bartel Van De Walle
Decision Support Systems
Crisis Response and Management
Policy Analysis
Metrics
H-Index
i10 Index
Citation Counts
34
89
5,195
* Total H IndexRankings
Ranking Based On Selection :15
Kees Van Der Geest
Human Mobility
Climate Mobility
Environmental Migration
Displacement
Loss and Damage
Metrics
H-Index
i10 Index
Citation Counts
33
51
3,484
* Total H IndexRankings
Ranking Based On Selection :16
Andrea Hinwood
environmental exposures and health
Metrics
H-Index
i10 Index
Citation Counts
33
51
2,565
* Total H IndexRankings
Ranking Based On Selection :17
Francesc Pedró
higher education policy
comparative education
educational technology
Metrics
H-Index
i10 Index
Citation Counts
33
61
5,180
* Total H IndexRankings
Ranking Based On Selection :18
Foster Mcgregor Neil
Economic Development
International Economics
Metrics
H-Index
i10 Index
Citation Counts
32
71
4,214
* Total H IndexRankings
Ranking Based On Selection :19
Srikantha Herath
Hydrology
Climate Change and Impacts
Urban Water
Disaster Risk Reduction
Numerical Modeling
Metrics
H-Index
i10 Index
Citation Counts
32
66
4,366
* Total H IndexRankings
Ranking Based On Selection :20
Howard Steven Friedman
Health Economics
Statistics
Data Science
Program Evaluation
Metrics
H-Index
i10 Index
Citation Counts
31
63
4,575
* Total H IndexRankings
Ranking Based On Selection :21
Giovanni Stumpo
Metrics
H-Index
i10 Index
Citation Counts
31
71
4,219
* Total H IndexRankings
Ranking Based On Selection :23
Kalman Kalotay
foreign direct investment
FDI
multinational enterprises
international business
Metrics
H-Index
i10 Index
Citation Counts
30
60
3,307
* Total H IndexRankings
Ranking Based On Selection :24
Sam Jones
Development Economics
Foreign Aid
Education
Africa
Mozambique
Metrics
H-Index
i10 Index
Citation Counts
29
52
3,834
* Total H IndexRankings
Ranking Based On Selection :25
Michael Enlocher
vulnerability
systemic risk
risk management
adaptation
hydrological extremes
Metrics
H-Index
i10 Index
Citation Counts
28
38
2,834
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Klaus F Zimmermann
Metrics
H-Index
i10-Index
Citation Counts
88
318
28,980
Economics
Labor Economics
Population Economics
Migration
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Manzoor Qadir
Metrics
H-Index
i10-Index
Citation Counts
65
129
19,716
Unconventional water resources
water recycling and reuse
water quality and environmental health
water security
land degradat
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Zhiming Liu
Metrics
H-Index
i10-Index
Citation Counts
55
226
12,241
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Dirk Messner
Metrics
H-Index
i10-Index
Citation Counts
51
152
12,340
Sustainability Research
Digital Transformations
Global Governance
Climate Politics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
HJ Gijzen
Metrics
H-Index
i10-Index
Citation Counts
50
110
9,070
biotechnology
microbiology
wastewater treatment
environmental engineering
pollution prevention and resource recovery
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Vladimir Smakhtin
Metrics
H-Index
i10-Index
Citation Counts
48
113
13,167
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Gulab Singh
Metrics
H-Index
i10-Index
Citation Counts
46
298
11,100
National Accounts
Official Statistics and Economics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Tony Addison
Metrics
H-Index
i10-Index
Citation Counts
46
111
7,419
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Shahbaz Khan
Metrics
H-Index
i10-Index
Citation Counts
39
110
8,923
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Marwan Khawaja
Metrics
H-Index
i10-Index
Citation Counts
39
58
4,248
demography
public health
collective action
social statistics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Zita Sebesvari
Metrics
H-Index
i10-Index
Citation Counts
38
57
7,687
Disaster risk reduction and adptation
risk tipping points
ecosystem loss and damege
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Jamal Hisham Hashim
Metrics
H-Index
i10-Index
Citation Counts
38
69
4,687
Professor of Environmental Health
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Anantha K. Duraiappah
Metrics
H-Index
i10-Index
Citation Counts
37
53
14,521
education
sustainable development
economics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Bartel Van De Walle
Metrics
H-Index
i10-Index
Citation Counts
34
89
5,195
Decision Support Systems
Crisis Response and Management
Policy Analysis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Kees Van Der Geest
Metrics
H-Index
i10-Index
Citation Counts
33
51
3,484
Human Mobility
Climate Mobility
Environmental Migration
Displacement
Loss and Damage
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Andrea Hinwood
Metrics
H-Index
i10-Index
Citation Counts
33
51
2,565
environmental exposures and health
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Francesc Pedró
Metrics
H-Index
i10-Index
Citation Counts
33
61
5,180
higher education policy
comparative education
educational technology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Foster Mcgregor Neil
Metrics
H-Index
i10-Index
Citation Counts
32
71
4,214
Economic Development
International Economics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Srikantha Herath
Metrics
H-Index
i10-Index
Citation Counts
32
66
4,366
Hydrology
Climate Change and Impacts
Urban Water
Disaster Risk Reduction
Numerical Modeling
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Howard Steven Friedman
Metrics
H-Index
i10-Index
Citation Counts
31
63
4,575
Health Economics
Statistics
Data Science
Program Evaluation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Giovanni Stumpo
Metrics
H-Index
i10-Index
Citation Counts
31
71
4,219
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Ward Appeltans
Metrics
H-Index
i10-Index
Citation Counts
30
42
5,805
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Kalman Kalotay
Metrics
H-Index
i10-Index
Citation Counts
30
60
3,307
foreign direct investment
FDI
multinational enterprises
international business
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Sam Jones
Metrics
H-Index
i10-Index
Citation Counts
29
52
3,834
Development Economics
Foreign Aid
Education
Africa
Mozambique
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Michael Enlocher
Metrics
H-Index
i10-Index
Citation Counts
28
38
2,834
vulnerability
systemic risk
risk management
adaptation
hydrological extremes