Citation Rankings
Highly Cited Researchers
Africa Law / Constitutional Law Highly Cited Researchers 62 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
Constitutional Law
Human Rights
Refugee La
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,586
495
0.191
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Constitutional law
International Human Rights Law
Social Rights
Equalit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,255
693
0.307
* Total Citation Counts Rankings
Ranking Based On Selection: 3
comparative law
comparative constitutional law
legal history
media law
international la
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,223
1,006
0.453
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Constitutional Law
human right
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,823
517
0.284
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Human Rights
Constitutional Law
Administrative Law
International La
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,524
814
0.534
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Urban law and governance
socio-economic rights
constitutional law
law and urban space
right to healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,419
484
0.341
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Constitutional law
sexual orientation
non-discrimination
social and economic rights
judiciar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,301
367
0.282
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Human rights law
Constitutional la
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,012
471
0.465
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Derecho Constitucional
Constitutional Law
Human Rights
Arts and Humanities
Social Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
709
370
0.522
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
philosophy
law
constitutional law
communication la
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
702
422
0.601
* Total Citation Counts Rankings
Ranking Based On Selection: 11
child law
constitutional law
budget
law reform
socio-economic right
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
570
159
0.279
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Comparative Constitutional Law
Constitutional Comparison
Legal Theory
Religion and Law
rule of la
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
555
213
0.384
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Trade Law
Mining Law
Indigenisation Law
Labour Law
Constitutional La
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
419
310
0.740
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Comparative Constitutional Law
Human Rights
Federalis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
366
188
0.514
* Total Citation Counts Rankings
Ranking Based On Selection: 15
AI and the law
data protection
constitutional law
financial governance
co-productio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
324
214
0.660
* Total Citation Counts Rankings
Ranking Based On Selection: 16
International human rights law
international humanitarian law
constitutional law
global economic governance
legal educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
255
149
0.584
* Total Citation Counts Rankings
Ranking Based On Selection: 17
constitutional law
corruption
ethic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136
92
0.676
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Constitutional Law
International Human Rights Law
Climate Change Law and Polic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109
69
0.633
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Administrative Law
Constitutional Law
Good governance
International La
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109
58
0.532
* Total Citation Counts Rankings
Ranking Based On Selection: 20
International Human Rights Law
Comparative Constitutional Law
Natural Resources Laws etc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100
81
0.810
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Child Law
Gender and the Law
Constitutional Law
Criminal Justice
Legal Educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93
56
0.602
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Human rights
Constitutional Law
Administrative Law and Good Governanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91
71
0.780
* Total Citation Counts Rankings
Ranking Based On Selection: 23
International law
Aviation law
Comparative constitutionalism
constitutional la
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
38
0.655
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Constitutional Law
International Human Rights Law
Administrative Law
Criminal Justice Syste
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
51
0.895
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Public Procurement
International Economic Law
International Trade Law
Constitutional Law
Administrative La
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
27
0.509
* Total Citation Counts Rankings
Rankings
384,578
62
34
Ranking Based On Selection: 1
J Oloka-Onyango
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,586
495
0.191
* Total Citation Counts Rankings
Rankings
425,981
2,008
258
Ranking Based On Selection: 2
Sandra Liebenberg
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,255
693
0.307
Constitutional law
International Human Rights Law
Social Rights
Equalit
* Total Citation Counts Rankings
Rankings
430,375
2,030
198
Ranking Based On Selection: 3
Charles Manga Fombad
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,223
1,006
0.453
comparative law
comparative constitutional law
legal history
media law
international la
* Total Citation Counts Rankings
Rankings
494,857
2,362
255
Ranking Based On Selection: 4
Catherine Albertyn
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,823
517
0.284
* Total Citation Counts Rankings
Rankings
555,840
2,719
483
Ranking Based On Selection: 5
Danwood Chirwa
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,524
814
0.534
Human Rights
Constitutional Law
Administrative Law
International La
* Total Citation Counts Rankings
Rankings
580,667
2,866
295
Ranking Based On Selection: 6
Marius Pieterse
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,419
484
0.341
Urban law and governance
socio-economic rights
constitutional law
law and urban space
right to healt
* Total Citation Counts Rankings
Rankings
611,441
3,072
523
Ranking Based On Selection: 7
Pierre De Vos
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,301
367
0.282
Constitutional law
sexual orientation
non-discrimination
social and economic rights
judiciar
* Total Citation Counts Rankings
Rankings
701,603
3,579
93
Ranking Based On Selection: 8
John Mubangizi
University of the Free State
Bloemfontein, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,012
471
0.465
* Total Citation Counts Rankings
Rankings
827,566
960
6
Ranking Based On Selection: 9
Santiago Legarre
Strathmore University Nairobi
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
709
370
0.522
Derecho Constitucional
Constitutional Law
Human Rights
Arts and Humanities
Social Science
* Total Citation Counts Rankings
Rankings
830,945
964
7
Ranking Based On Selection: 10
Juan Carlos Riofrío Martínez-Villalba
Strathmore University Nairobi
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
702
422
0.601
philosophy
law
constitutional law
communication la
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
905,399
4,869
731
Ranking Based On Selection: 11
Paula Proudlock
University of Cape Town
Cape Town, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
570
159
0.279
child law
constitutional law
budget
law reform
socio-economic right
* Total Citation Counts Rankings
Rankings
915,696
4,948
282
Ranking Based On Selection: 12
Francois Venter
North West University
Potchefstroom, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
555
213
0.384
Comparative Constitutional Law
Constitutional Comparison
Legal Theory
Religion and Law
rule of la
* Total Citation Counts Rankings
Rankings
1,032,615
97
69
Ranking Based On Selection: 13
Tapiwa Warikandwa
University of Namibia
Windhoek, Namibia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
419
310
0.740
Trade Law
Mining Law
Indigenisation Law
Labour Law
Constitutional La
* Total Citation Counts Rankings
Rankings
1,089,457
1,109
159
Ranking Based On Selection: 14
Christophe Van Der Beken
Addis Ababa University
Addis Ababa, Ethiopia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
366
188
0.514
Comparative Constitutional Law
Human Rights
Federalis
* Total Citation Counts Rankings
Rankings
1,141,151
6,822
754
Ranking Based On Selection: 15
Dirk Brand
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
324
214
0.660
AI and the law
data protection
constitutional law
financial governance
co-productio
* Total Citation Counts Rankings
Rankings
1,250,897
222
4
Ranking Based On Selection: 16
Cephas Lumina
University of Lusaka
Lusaka, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
255
149
0.584
International human rights law
international humanitarian law
constitutional law
global economic governance
legal educatio
* Total Citation Counts Rankings
Rankings
1,571,588
10,400
65
Ranking Based On Selection: 17
Gary Pienaar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136
92
0.676
* Total Citation Counts Rankings
Rankings
1,683,262
3,449
807
Ranking Based On Selection: 18
Orago, Nicholas Wasonga
University of Nairobi
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109
69
0.633
Constitutional Law
International Human Rights Law
Climate Change Law and Polic
* Total Citation Counts Rankings
Rankings
1,683,631
11,233
712
Ranking Based On Selection: 19
Ilyayambwa Mwanawina
North West University
Potchefstroom, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
109
58
0.532
Administrative Law
Constitutional Law
Good governance
International La
* Total Citation Counts Rankings
Rankings
1,724,730
22,634
217
Ranking Based On Selection: 20
Emmanuel Ibiam Amah
Ebonyi State University
Abakaliki, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100
81
0.810
International Human Rights Law
Comparative Constitutional Law
Natural Resources Laws etc
* Total Citation Counts Rankings
Rankings
1,760,715
23,437
795
Ranking Based On Selection: 21
Iyabode Ogunniran
University of Lagos
Lagos, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93
56
0.602
Child Law
Gender and the Law
Constitutional Law
Criminal Justice
Legal Educatio
* Total Citation Counts Rankings
Rankings
1,770,206
23,630
803
Ranking Based On Selection: 22
Abiodun Odusote
University of Lagos
Lagos, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91
71
0.780
Human rights
Constitutional Law
Administrative Law and Good Governanc
* Total Citation Counts Rankings
Rankings
1,970,924
13,542
1,069
Ranking Based On Selection: 23
Angelo Dube
University of South Africa
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
38
0.655
International law
Aviation law
Comparative constitutionalism
constitutional la
* Total Citation Counts Rankings
Rankings
1,976,122
28,585
53
Ranking Based On Selection: 24
IBRAHIM DANJUMA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
51
0.895
Constitutional Law
International Human Rights Law
Administrative Law
Criminal Justice Syste
* Total Citation Counts Rankings
Rankings
2,008,066
4,735
1,031
Ranking Based On Selection: 25
Muthomi Thiankolu
University of Nairobi
Nairobi, Kenya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
27
0.509
Public Procurement
International Economic Law
International Trade Law
Constitutional Law
Administrative La