University of Nigeria

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Short name

UNN

Country, city

Nigeria, Nsukka

01sn1yx84

Organization website

Publications

14 001

Citations

166 259

h-index

117

Top-3 journals

Comparative Clinical Pathology (167 publications)

SSRN Electronic Journal (114 publications)

Heliyon (107 publications)

Top-3 organizations

Nnamdi Azikiwe University (661 publications)

Covenant University (515 publications)

University of Johannesburg (399 publications)

Top-3 foreign organizations

University of Johannesburg (399 publications)

University of South Africa (264 publications)

Jiangsu University (196 publications)

Top-3 researchers by h-index

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1962

Total publications

14001

Total citations

166259

Citations per publication

11.87

Average publications per year

215.4

Average authors per publication

5.53

h-index

117

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	200 400 600 800 1000 1200 1400 1600 1800
General Medicine	General Medicine, 1601, 11.43% General Medicine 1601 publications, 11.43%
Public Health, Environmental and Occupational Health	Public Health, Environmental and Occupational Health, 517, 3.69% Public Health, Environmental and Occupational Health 517 publications, 3.69%
General Environmental Science	General Environmental Science, 425, 3.04% General Environmental Science 425 publications, 3.04%
Geography, Planning and Development	Geography, Planning and Development, 385, 2.75% Geography, Planning and Development 385 publications, 2.75%
Infectious Diseases	Infectious Diseases, 384, 2.74% Infectious Diseases 384 publications, 2.74%
Pharmacology	Pharmacology, 375, 2.68% Pharmacology 375 publications, 2.68%
Food Science	Food Science, 365, 2.61% Food Science 365 publications, 2.61%
Multidisciplinary	Multidisciplinary, 362, 2.59% Multidisciplinary 362 publications, 2.59%
Agronomy and Crop Science	Agronomy and Crop Science, 336, 2.4% Agronomy and Crop Science 336 publications, 2.4%
Pollution	Pollution, 334, 2.39% Pollution 334 publications, 2.39%
Renewable Energy, Sustainability and the Environment	Renewable Energy, Sustainability and the Environment, 320, 2.29% Renewable Energy, Sustainability and the Environment 320 publications, 2.29%
General Earth and Planetary Sciences	General Earth and Planetary Sciences, 303, 2.16% General Earth and Planetary Sciences 303 publications, 2.16%
Health Policy	Health Policy, 280, 2% Health Policy 280 publications, 2%
Drug Discovery	Drug Discovery, 272, 1.94% Drug Discovery 272 publications, 1.94%
Sociology and Political Science	Sociology and Political Science, 271, 1.94% Sociology and Political Science 271 publications, 1.94%
Management, Monitoring, Policy and Law	Management, Monitoring, Policy and Law, 268, 1.91% Management, Monitoring, Policy and Law 268 publications, 1.91%
Development	Development, 259, 1.85% Development 259 publications, 1.85%
Environmental Chemistry	Environmental Chemistry, 255, 1.82% Environmental Chemistry 255 publications, 1.82%
Biochemistry	Biochemistry, 252, 1.8% Biochemistry 252 publications, 1.8%
Pharmaceutical Science	Pharmaceutical Science, 244, 1.74% Pharmaceutical Science 244 publications, 1.74%
General Engineering	General Engineering, 244, 1.74% General Engineering 244 publications, 1.74%
Biotechnology	Biotechnology, 242, 1.73% Biotechnology 242 publications, 1.73%
General Materials Science	General Materials Science, 242, 1.73% General Materials Science 242 publications, 1.73%
General Chemistry	General Chemistry, 240, 1.71% General Chemistry 240 publications, 1.71%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 240, 1.71% Electrical and Electronic Engineering 240 publications, 1.71%
Mechanical Engineering	Mechanical Engineering, 229, 1.64% Mechanical Engineering 229 publications, 1.64%
Water Science and Technology	Water Science and Technology, 229, 1.64% Water Science and Technology 229 publications, 1.64%
Education	Education, 228, 1.63% Education 228 publications, 1.63%
Molecular Biology	Molecular Biology, 225, 1.61% Molecular Biology 225 publications, 1.61%
Organic Chemistry	Organic Chemistry, 216, 1.54% Organic Chemistry 216 publications, 1.54%
	200 400 600 800 1000 1200 1400 1600 1800

Journals

	20 40 60 80 100 120 140 160 180
Comparative Clinical Pathology	Comparative Clinical Pathology, 167, 1.19% Comparative Clinical Pathology 167 publications, 1.19%
SSRN Electronic Journal	SSRN Electronic Journal, 114, 0.81% SSRN Electronic Journal 114 publications, 0.81%
Heliyon	Heliyon, 107, 0.76% Heliyon 107 publications, 0.76%
AFRICAN JOURNAL OF BIOTECHNOLOGY	AFRICAN JOURNAL OF BIOTECHNOLOGY, 104, 0.74% AFRICAN JOURNAL OF BIOTECHNOLOGY 104 publications, 0.74%
SAGE Open	SAGE Open, 97, 0.69% SAGE Open 97 publications, 0.69%
PLoS ONE	PLoS ONE, 82, 0.59% PLoS ONE 82 publications, 0.59%
IOP Conference Series: Earth and Environmental Science	IOP Conference Series: Earth and Environmental Science, 79, 0.56% IOP Conference Series: Earth and Environmental Science 79 publications, 0.56%
Arabian Journal of Geosciences	Arabian Journal of Geosciences, 79, 0.56% Arabian Journal of Geosciences 79 publications, 0.56%
Journal of Asian and African Studies	Journal of Asian and African Studies, 70, 0.5% Journal of Asian and African Studies 70 publications, 0.5%
Scientific Reports	Scientific Reports, 68, 0.49% Scientific Reports 68 publications, 0.49%
Journal of Ethnopharmacology	Journal of Ethnopharmacology, 67, 0.48% Journal of Ethnopharmacology 67 publications, 0.48%
International Journal of Advanced Manufacturing Technology	International Journal of Advanced Manufacturing Technology, 67, 0.48% International Journal of Advanced Manufacturing Technology 67 publications, 0.48%
HTS Teologiese Studies / Theological Studies	HTS Teologiese Studies / Theological Studies, 66, 0.47% HTS Teologiese Studies / Theological Studies 66 publications, 0.47%
Nigerian Journal of Clinical Practice	Nigerian Journal of Clinical Practice, 61, 0.44% Nigerian Journal of Clinical Practice 61 publications, 0.44%
Medicine (United States)	Medicine (United States), 60, 0.43% Medicine (United States) 60 publications, 0.43%
Environmental Monitoring and Assessment	Environmental Monitoring and Assessment, 59, 0.42% Environmental Monitoring and Assessment 59 publications, 0.42%
Scientific African	Scientific African, 58, 0.41% Scientific African 58 publications, 0.41%
Plant Foods for Human Nutrition	Plant Foods for Human Nutrition, 55, 0.39% Plant Foods for Human Nutrition 55 publications, 0.39%
Data in Brief	Data in Brief, 51, 0.36% Data in Brief 51 publications, 0.36%
African Journal of Agricultural Research	African Journal of Agricultural Research, 51, 0.36% African Journal of Agricultural Research 51 publications, 0.36%
Astrophysics and Space Science	Astrophysics and Space Science, 48, 0.34% Astrophysics and Space Science 48 publications, 0.34%
Journal of African Earth Sciences	Journal of African Earth Sciences, 46, 0.33% Journal of African Earth Sciences 46 publications, 0.33%
Journal of Physics: Conference Series	Journal of Physics: Conference Series, 45, 0.32% Journal of Physics: Conference Series 45 publications, 0.32%
BMC Public Health	BMC Public Health, 45, 0.32% BMC Public Health 45 publications, 0.32%
BMC Health Services Research	BMC Health Services Research, 44, 0.31% BMC Health Services Research 44 publications, 0.31%
Sustainability	Sustainability, 44, 0.31% Sustainability 44 publications, 0.31%
Tropical Animal Health and Production	Tropical Animal Health and Production, 41, 0.29% Tropical Animal Health and Production 41 publications, 0.29%
African Journal of Pharmacy and Pharmacology	African Journal of Pharmacy and Pharmacology, 41, 0.29% African Journal of Pharmacy and Pharmacology 41 publications, 0.29%
Monthly Notices of the Royal Astronomical Society	Monthly Notices of the Royal Astronomical Society, 40, 0.29% Monthly Notices of the Royal Astronomical Society 40 publications, 0.29%
Environmental Science and Pollution Research	Environmental Science and Pollution Research, 40, 0.29% Environmental Science and Pollution Research 40 publications, 0.29%
	20 40 60 80 100 120 140 160 180

Publishers

	500 1000 1500 2000 2500 3000 3500
Springer Nature	Springer Nature, 3302, 23.58% Springer Nature 3302 publications, 23.58%
Elsevier	Elsevier, 2721, 19.43% Elsevier 2721 publications, 19.43%
Taylor & Francis	Taylor & Francis, 1605, 11.46% Taylor & Francis 1605 publications, 11.46%
Wiley	Wiley, 884, 6.31% Wiley 884 publications, 6.31%
SAGE	SAGE, 755, 5.39% SAGE 755 publications, 5.39%
Academic Journals	Academic Journals, 395, 2.82% Academic Journals 395 publications, 2.82%
MDPI	MDPI, 303, 2.16% MDPI 303 publications, 2.16%
Oxford University Press	Oxford University Press, 283, 2.02% Oxford University Press 283 publications, 2.02%
IGI Global	IGI Global, 282, 2.01% IGI Global 282 publications, 2.01%
Emerald	Emerald, 241, 1.72% Emerald 241 publications, 1.72%
Ovid Technologies (Wolters Kluwer Health)	Ovid Technologies (Wolters Kluwer Health), 213, 1.52% Ovid Technologies (Wolters Kluwer Health) 213 publications, 1.52%
Cambridge University Press	Cambridge University Press, 193, 1.38% Cambridge University Press 193 publications, 1.38%
IOP Publishing	IOP Publishing, 182, 1.3% IOP Publishing 182 publications, 1.3%
Frontiers Media S.A.	Frontiers Media S.A., 180, 1.29% Frontiers Media S.A. 180 publications, 1.29%
Walter de Gruyter	Walter de Gruyter, 150, 1.07% Walter de Gruyter 150 publications, 1.07%
Hindawi Limited	Hindawi Limited, 135, 0.96% Hindawi Limited 135 publications, 0.96%
AOSIS	AOSIS, 123, 0.88% AOSIS 123 publications, 0.88%
Social Science Electronic Publishing	Social Science Electronic Publishing, 109, 0.78% Social Science Electronic Publishing 109 publications, 0.78%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 107, 0.76% Public Library of Science (PLoS) 107 publications, 0.76%
Inderscience Publishers	Inderscience Publishers, 65, 0.46% Inderscience Publishers 65 publications, 0.46%
BMJ	BMJ, 63, 0.45% BMJ 63 publications, 0.45%
Bentham Science Publishers Ltd.	Bentham Science Publishers Ltd., 62, 0.44% Bentham Science Publishers Ltd. 62 publications, 0.44%
Brill	Brill, 53, 0.38% Brill 53 publications, 0.38%
EDP Sciences	EDP Sciences, 42, 0.3% EDP Sciences 42 publications, 0.3%
American Society of Clinical Oncology (ASCO)	American Society of Clinical Oncology (ASCO), 34, 0.24% American Society of Clinical Oncology (ASCO) 34 publications, 0.24%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 34, 0.24% Royal Society of Chemistry (RSC) 34 publications, 0.24%
Georg Thieme Verlag KG	Georg Thieme Verlag KG, 34, 0.24% Georg Thieme Verlag KG 34 publications, 0.24%
Institute of Advanced Engineering and Science (IAES)	Institute of Advanced Engineering and Science (IAES), 33, 0.24% Institute of Advanced Engineering and Science (IAES) 33 publications, 0.24%
S. Karger AG	S. Karger AG, 31, 0.22% S. Karger AG 31 publications, 0.22%
National Inquiry Services Center (NISC)	National Inquiry Services Center (NISC), 30, 0.21% National Inquiry Services Center (NISC) 30 publications, 0.21%
	500 1000 1500 2000 2500 3000 3500

With other organizations

	100 200 300 400 500 600 700
Nnamdi Azikiwe University	Nnamdi Azikiwe University, 661, 4.72% Nnamdi Azikiwe University 661 publications, 4.72%
Covenant University	Covenant University, 515, 3.68% Covenant University 515 publications, 3.68%
University of Johannesburg	University of Johannesburg, 399, 2.85% University of Johannesburg 399 publications, 2.85%
Alex Ekwueme Federal University, Ndufu-Alike	Alex Ekwueme Federal University, Ndufu-Alike, 376, 2.69% Alex Ekwueme Federal University, Ndufu-Alike 376 publications, 2.69%
University of Nigeria Teaching Hospital	University of Nigeria Teaching Hospital, 374, 2.67% University of Nigeria Teaching Hospital 374 publications, 2.67%
Enugu State University of Science and Technology	Enugu State University of Science and Technology, 351, 2.51% Enugu State University of Science and Technology 351 publications, 2.51%
University of Ibadan	University of Ibadan, 319, 2.28% University of Ibadan 319 publications, 2.28%
Ebonyi State University	Ebonyi State University, 269, 1.92% Ebonyi State University 269 publications, 1.92%
University of South Africa	University of South Africa, 264, 1.89% University of South Africa 264 publications, 1.89%
University of Calabar	University of Calabar, 253, 1.81% University of Calabar 253 publications, 1.81%
Michael Okpara University of Agriculture	Michael Okpara University of Agriculture, 249, 1.78% Michael Okpara University of Agriculture 249 publications, 1.78%
University of Lagos	University of Lagos, 219, 1.56% University of Lagos 219 publications, 1.56%
Jiangsu University	Jiangsu University, 196, 1.4% Jiangsu University 196 publications, 1.4%
University of the Free State	University of the Free State, 193, 1.38% University of the Free State 193 publications, 1.38%
Federal University of Technology Owerri	Federal University of Technology Owerri, 185, 1.32% Federal University of Technology Owerri 185 publications, 1.32%
Ahmadu Bello University	Ahmadu Bello University, 165, 1.18% Ahmadu Bello University 165 publications, 1.18%
North-West University	North-West University, 157, 1.12% North-West University 157 publications, 1.12%
Obafemi Awolowo University	Obafemi Awolowo University, 157, 1.12% Obafemi Awolowo University 157 publications, 1.12%
Chukwuemeka Odumegwu Ojukwu University	Chukwuemeka Odumegwu Ojukwu University, 154, 1.1% Chukwuemeka Odumegwu Ojukwu University 154 publications, 1.1%
University of Benin	University of Benin, 153, 1.09% University of Benin 153 publications, 1.09%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 151, 1.08% London School of Hygiene & Tropical Medicine 151 publications, 1.08%
University of Abuja	University of Abuja, 150, 1.07% University of Abuja 150 publications, 1.07%
University of Ilorin	University of Ilorin, 146, 1.04% University of Ilorin 146 publications, 1.04%
University of Port Harcourt	University of Port Harcourt, 141, 1.01% University of Port Harcourt 141 publications, 1.01%
University of Pretoria	University of Pretoria, 137, 0.98% University of Pretoria 137 publications, 0.98%
Abia State University	Abia State University, 124, 0.89% Abia State University 124 publications, 0.89%
National Research Foundation	National Research Foundation, 123, 0.88% National Research Foundation 123 publications, 0.88%
University of Uyo	University of Uyo, 120, 0.86% University of Uyo 120 publications, 0.86%
University of Cape Town	University of Cape Town, 112, 0.8% University of Cape Town 112 publications, 0.8%
University of the Witwatersrand	University of the Witwatersrand, 111, 0.79% University of the Witwatersrand 111 publications, 0.79%
	100 200 300 400 500 600 700

With foreign organizations

	50 100 150 200 250 300 350 400
University of Johannesburg	University of Johannesburg, 399, 2.85% University of Johannesburg 399 publications, 2.85%
University of South Africa	University of South Africa, 264, 1.89% University of South Africa 264 publications, 1.89%
Jiangsu University	Jiangsu University, 196, 1.4% Jiangsu University 196 publications, 1.4%
University of the Free State	University of the Free State, 193, 1.38% University of the Free State 193 publications, 1.38%
North-West University	North-West University, 157, 1.12% North-West University 157 publications, 1.12%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 151, 1.08% London School of Hygiene & Tropical Medicine 151 publications, 1.08%
University of Pretoria	University of Pretoria, 137, 0.98% University of Pretoria 137 publications, 0.98%
National Research Foundation	National Research Foundation, 123, 0.88% National Research Foundation 123 publications, 0.88%
University of Cape Town	University of Cape Town, 112, 0.8% University of Cape Town 112 publications, 0.8%
University of the Witwatersrand	University of the Witwatersrand, 111, 0.79% University of the Witwatersrand 111 publications, 0.79%
University of KwaZulu-Natal	University of KwaZulu-Natal, 110, 0.79% University of KwaZulu-Natal 110 publications, 0.79%
Chinese University of Hong Kong	Chinese University of Hong Kong, 89, 0.64% Chinese University of Hong Kong 89 publications, 0.64%
University of Birmingham	University of Birmingham, 88, 0.63% University of Birmingham 88 publications, 0.63%
Quaid-i-Azam University	Quaid-i-Azam University, 85, 0.61% Quaid-i-Azam University 85 publications, 0.61%
Tshwane University of Technology	Tshwane University of Technology, 82, 0.59% Tshwane University of Technology 82 publications, 0.59%
University of Ghana	University of Ghana, 82, 0.59% University of Ghana 82 publications, 0.59%
Harvard University	Harvard University, 81, 0.58% Harvard University 81 publications, 0.58%
University of Leeds	University of Leeds, 76, 0.54% University of Leeds 76 publications, 0.54%
Northwestern Polytechnical University	Northwestern Polytechnical University, 72, 0.51% Northwestern Polytechnical University 72 publications, 0.51%
Aristotle University of Thessaloniki	Aristotle University of Thessaloniki, 71, 0.51% Aristotle University of Thessaloniki 71 publications, 0.51%
Cairo University	Cairo University, 68, 0.49% Cairo University 68 publications, 0.49%
Kampala International University	Kampala International University, 62, 0.44% Kampala International University 62 publications, 0.44%
American Hellenic Educational Progressive Assocation University Hospital	American Hellenic Educational Progressive Assocation University Hospital, 61, 0.44% American Hellenic Educational Progressive Assocation University Hospital 61 publications, 0.44%
University of California, Irvine	University of California, Irvine, 58, 0.41% University of California, Irvine 58 publications, 0.41%
University of the Western Cape	University of the Western Cape, 56, 0.4% University of the Western Cape 56 publications, 0.4%
University of Fort Hare	University of Fort Hare, 55, 0.39% University of Fort Hare 55 publications, 0.39%
Kwame Nkrumah University of Science and Technology	Kwame Nkrumah University of Science and Technology, 55, 0.39% Kwame Nkrumah University of Science and Technology 55 publications, 0.39%
University College London	University College London, 54, 0.39% University College London 54 publications, 0.39%
National Astronomical Observatory of Japan	National Astronomical Observatory of Japan, 54, 0.39% National Astronomical Observatory of Japan 54 publications, 0.39%
Stellenbosch University	Stellenbosch University, 52, 0.37% Stellenbosch University 52 publications, 0.37%
	50 100 150 200 250 300 350 400

With other countries

	200 400 600 800 1000 1200 1400
South Africa	South Africa, 1305, 9.32% South Africa 1305 publications, 9.32%
USA	USA, 1045, 7.46% USA 1045 publications, 7.46%
United Kingdom	United Kingdom, 1008, 7.2% United Kingdom 1008 publications, 7.2%
China	China, 656, 4.69% China 656 publications, 4.69%
India	India, 395, 2.82% India 395 publications, 2.82%
Germany	Germany, 376, 2.69% Germany 376 publications, 2.69%
Canada	Canada, 345, 2.46% Canada 345 publications, 2.46%
Italy	Italy, 250, 1.79% Italy 250 publications, 1.79%
Japan	Japan, 230, 1.64% Japan 230 publications, 1.64%
Australia	Australia, 216, 1.54% Australia 216 publications, 1.54%
Pakistan	Pakistan, 187, 1.34% Pakistan 187 publications, 1.34%
Saudi Arabia	Saudi Arabia, 173, 1.24% Saudi Arabia 173 publications, 1.24%
Ghana	Ghana, 160, 1.14% Ghana 160 publications, 1.14%
Egypt	Egypt, 140, 1% Egypt 140 publications, 1%
Malaysia	Malaysia, 138, 0.99% Malaysia 138 publications, 0.99%
Kenya	Kenya, 136, 0.97% Kenya 136 publications, 0.97%
Netherlands	Netherlands, 126, 0.9% Netherlands 126 publications, 0.9%
Cameroon	Cameroon, 121, 0.86% Cameroon 121 publications, 0.86%
Uganda	Uganda, 114, 0.81% Uganda 114 publications, 0.81%
Poland	Poland, 110, 0.79% Poland 110 publications, 0.79%
Turkey	Turkey, 109, 0.78% Turkey 109 publications, 0.78%
Russia	Russia, 103, 0.74% Russia 103 publications, 0.74%
France	France, 102, 0.73% France 102 publications, 0.73%
Spain	Spain, 100, 0.71% Spain 100 publications, 0.71%
Brazil	Brazil, 99, 0.71% Brazil 99 publications, 0.71%
Belgium	Belgium, 94, 0.67% Belgium 94 publications, 0.67%
Iran	Iran, 93, 0.66% Iran 93 publications, 0.66%
Mexico	Mexico, 93, 0.66% Mexico 93 publications, 0.66%
Portugal	Portugal, 90, 0.64% Portugal 90 publications, 0.64%
	200 400 600 800 1000 1200 1400

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1962 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.

Science degree

Academy membership

Research interests

Skills