Nigeria's Top 2% Scientists 2022: Career-Long List

Nigeria has 87 scientists on the 2022 career-long Top 2% list, up 19.2% from 73 in 2021. That places Nigeria 50th in the world by number of listed scientists. University of Nigeria has the most listed scientists (9), followed by University of Ibadan (8).

Single Year

150

+29 (+24.0%) vs 2021

Career Data

+14 (+19.2%) vs 2021

World rank by count

#50

No change vs 2021

Institutes

+5 (+13.9%) vs 2021

Scientists in Nigeria on the list, by year

The career-long count has more than doubled since 2020.

Career-long list, change on the previous year

2021+73.8%

2022+19.2%

2023+13.8%

2024+18.2%

2025+21.4%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	71		42
2021	121	+70.4%	73	+73.8%
2022	150	+24.0%	87	+19.2%
2023	186	+24.0%	99	+13.8%
2024	233	+25.3%	117	+18.2%
2025	291	+24.9%	142	+21.4%

Top 10 institutes in Nigeria

By number of listed scientists

Career-long list2022

Show the list

All 87 scientists

Career-long list2022

Everyone on the list, free to browse.

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Rank in Nigeria	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	9,256	GO Gureje, Oye	College of Medicine, University of Ibadan	Psychiatry	Rank 260
2	24,588	HH Hendrie, Hugh C.	College of Medicine, University of Ibadan	Geriatrics	Rank 39
3	29,367	OE Oguzie, E. E.	Federal University of Technology, Owerri	Materials	Rank 333
4	31,680	OB Olusanya, Bolajoko	Centre for Healthy Start Initiative	Pediatrics	Rank 149
5	34,555	OG Oboh, Ganiyu	Federal University of Technology, Akure	Food Science	Rank 125
6	38,047	EE Ezugwu, Emmanuel O.	Air Force Institute of Technology	Mechanical Engineering & Transports	Rank 220
7	42,434	FE Farombi, Ebenezer O.	College of Medicine, University of Ibadan	Toxicology	Rank 171
8	52,721	OA Olajire, A. A.	Ladoke Akintola University of Technology	Environmental Sciences	Rank 254
9	71,006	LL Luiselli, Luca	Rivers State University of Science and Technology	Ecology	Rank 1,158
10	72,329	AR Adegbola, Richard A.	Nigerian Institute of Medical Research	Microbiology	Rank 1,819
11	72,550	CC Chidume, C. E.	African University of Science and Technology	General Mathematics	Rank 328
12	75,110	Lawal, Olayide Samuel	Federal University, Oye-Ekiti	Food Science	Rank 321
13	86,512	OB Osuntokun, B. O.	University College Hospital, Ibadan	General & Internal Medicine	Rank 1,104
14	87,158	AA Adewuya, Abiodun O.	Lagos State University	Psychiatry	Rank 1,549
15	87,192	OF Okonofua, Friday E.	University of Benin	Obstetrics & Reproductive Medicine	Rank 850
16	89,746	UC Uneke, Chigozie Jesse	Ebonyi State University	General & Internal Medicine	Rank 1,140
17	94,440	OI Okeke, Iruka	University of Ibadan	Microbiology	Rank 2,389
18	96,471	OM Owolabi, Mayowa O.	College of Medicine, University of Ibadan	Neurology & Neurosurgery	Rank 6,316
19	105,313	AE Ameh, Emmanuel A.	National Hospital, Abuja	Pediatrics	Rank 604
20	110,555	OO Onwujekwe, Obinna	University of Nigeria	Health Policy & Services	Rank 291
21	121,648	KB Kang, B. T.	International Institute of Tropical Agriculture (IITA), Ibadan	Agronomy & Agriculture	Rank 620
22	122,607	OK Owolabi, Kolade M.	Federal University of Technology, Akure	Mathematical Physics	Rank 88
23	122,813	IM Iwu, Maurice M.	Bioresources Institute of Nigeria	Medicinal & Biomolecular Chemistry	Rank 434
24	125,410	MJ Mbagwu, J. S.C.	University of Nigeria	Agronomy & Agriculture	Rank 648
25	125,679	SA Sowunmi, Akintunde	University of Ibadan	Tropical Medicine	Rank 298
26	137,204	EN Eddy, Nnabuk Okon	University of Nigeria	Energy	Rank 1,698
27	153,178	OO Orisakwe, Orish E.	University of Port Harcourt	Toxicology	Rank 712
28	153,644	JB Jones, Barrie R.	Ahmadu Bello University	General & Internal Medicine	Rank 1,971
29	160,828	OF Okieimen, Felix	University of Benin	Polymers	Rank 1,454
30	174,082	SN Sanginga, N.	International Institute of Tropical Agriculture (IITA), Ibadan	Agronomy & Agriculture	Rank 964
31	176,439	OM Osilike, M. O.	University of Nigeria	General Mathematics	Rank 1,132
32	181,270	AJ Agbenin, John O.	Federal University, Oye-Ekiti	Agronomy & Agriculture	Rank 1,014
33	182,488	UK Ukwaja, Kingsley N.	Alex Ekwueme Federal University Teaching Hospital	General & Internal Medicine	Rank 2,366
34	186,467	AP Akah, Peter Achunike	University of Nigeria	Medicinal & Biomolecular Chemistry	Rank 734
35	187,057	AO Adaramoye, Oluwatosin A.	College of Medicine, University of Ibadan	Toxicology	Rank 908
36	187,526	ON Oladoja, Nurudeen Abiola	Adekunle Ajasin University	Chemical Engineering	Rank 915
37	187,628	LC Loto, Cleophas Akintoye	Covenant University	Materials	Rank 2,527
38	189,600	MA Menkir, Abebe	International Institute of Tropical Agriculture (IITA), Ibadan	Plant Biology & Botany	Rank 2,714
39	192,033	OJ Ogbonna, James Chukwuma	University of Nigeria	Biotechnology	Rank 604
40	192,719	IU Ishiaku, Umaru S.	Ahmadu Bello University	Polymers	Rank 1,765
41	193,077	FO Fagbenro, Oyedapo Adewale	Federal University of Technology, Akure	Fisheries	Rank 572
42	195,010	AK Alaneme, Kenneth Kanayo	Federal University of Technology, Akure	Materials	Rank 2,644
43	197,074	TO Tomori, Oyewale	Redeemer‘s University	Tropical Medicine	Rank 469
44	200,379	NO Nwafor, O. M.I.	Federal University of Technology, Owerri	Energy	Rank 2,670
45	204,387	SS Strebelle, Sebastien	Chevron Nigeria Limited	Energy	Rank 2,727
46	207,516	AE Adekeye, Emmanuel Oladepo	Etomie Oral and Maxillofacial Specialist Hospital	Dentistry	Rank 1,304
47	214,725	SA Sanni, Abiodun	University of Ibadan	Food Science	Rank 1,101
48	214,736	AI Animasaun, I. L.	Federal University of Technology, Akure	Mechanical Engineering & Transports	Rank 1,555
49	216,235	OS Oyedepo, Sunday Olayinka	Covenant University	Energy	Rank 2,899
50	223,242	AV Aletor, Valentine Ayobore	Federal University of Technology, Akure	Food Science	Rank 1,154
51	224,706	HR Horton, Robin	Obafemi Awolowo University	Cultural Studies	Rank 75
52	230,188	MI Musa, Idris Atadashi	Adamawa State University, Mubi	Energy	Rank 3,121
53	230,270	AK Adebowale, Kayode O.	University of Ibadan	Food Science	Rank 1,192
54	232,701	AW Adeyemo, Wasiu L.	University of Lagos	Dentistry	Rank 1,483
55	234,263	IC Iwegbue, Chukwujindu M.A.	Delta State University Nigeria	Environmental Sciences	Rank 1,585
56	234,737	SL Salako, L.	University of Ibadan	Tropical Medicine	Rank 573
57	237,845	AE Adeyeye, Emmanuel Ilesanmi	Ekiti State University	Food Science	Rank 1,236
58	246,249	AA Adeneye, Adejuwon Adewale	Lagos State University	Medicinal & Biomolecular Chemistry	Rank 1,090
59	248,833	AA Attama, Anthony A.	University of Nigeria	Pharmacology & Pharmacy	Rank 2,587
60	251,438	HA Habib, A. G.	Bayero Univesrity Kano	Tropical Medicine	Rank 618
61	256,525	HK Harrison, Kelsey A.	University of Port Harcourt	General & Internal Medicine	Rank 3,424
62	261,744	JB Jha, Basant K.	Ahmadu Bello University	Mechanical Engineering & Transports	Rank 1,921
63	263,100	AO Abiola, Olusegun Kehinde	Federal University of Petroleum Resources, Effurun	Energy	Rank 3,680
64	265,820	NI Nnorom, Innocent Chidi	Abia State University	Environmental Sciences	Rank 1,863
65	274,163	EO Ekundayo, O.	University of Ibadan	Medicinal & Biomolecular Chemistry	Rank 1,274
66	275,515	FM Folayan, Morenike Oluwatoyin	Obafemi Awolowo University	Dentistry	Rank 1,802
67	278,709	AD Akinyele, D. O.	Olabisi Onabanjo University	Energy	Rank 3,943
68	281,066	MM Meremikwu, Martin M.	University of Calabar	General & Internal Medicine	Rank 3,791
69	288,065	BO Bello, Olugbenga Solomon	Ladoke Akintola University of Technology	Chemical Engineering	Rank 1,517
70	295,626	OO Ohunakin, O. S.	Covenant University	Energy	Rank 4,241
71	306,446	AR Anorlu, Rose I.	College of Medicine, University of Lagos	General & Internal Medicine	Rank 4,171
72	314,162	OK Osinubi, Kolawole Junwolo	Ahmadu Bello University	Geological & Geomatics Engineering	Rank 1,393
73	315,336	DM Danesi, Mustafa	University of Lagos	General & Internal Medicine	Rank 4,301
74	315,477	IE Ibem, Eziyi Offia	University of Nigeria	Building & Construction	Rank 750
75	316,343	YM Yakubu, Musa Toyin	University of Ilorin	Medicinal & Biomolecular Chemistry	Rank 1,519
76	322,667	LR Loto, Roland Tolulope	Covenant University	Materials	Rank 4,757
77	324,029	ON Obi-Egbedi, Nelson Okpako	University of Ibadan	Energy	Rank 4,749
78	329,638	AS Adesina, Simeon K.	Obafemi Awolowo University	Medicinal & Biomolecular Chemistry	Rank 1,616
79	346,269	JB Jibril, Baba Yakubu	Ahmadu Bello University	Energy	Rank 5,178
80	347,412	OL Olatomiwa, L.	Federal University of Technology, Minna	Energy	Rank 5,202
81	365,432	AE Ajaiyeoba, Edith Oriabure	University of Ibadan	Medicinal & Biomolecular Chemistry	Rank 1,856
82	369,936	OA Ogbera, A.	Lagos State University Teaching Hospital	General & Internal Medicine	Rank 5,121
83	381,511	EG Edington, G. M.	Ahmadu Bello University	General & Internal Medicine	Rank 5,292
84	393,675	AV Aigbodion, V. S.	University of Nigeria	Materials	Rank 5,966
85	421,589	OO Odusanya, Olumuyiwa O.	Lagos State University	General & Internal Medicine	Rank 5,904
86	443,958	BB Badu-Apraku, Baffour	International Institute of Tropical Agriculture (IITA), Ibadan	Plant Biology & Botany	Rank 6,818
87	459,213	AO Ajayi, Oluseyi O.	Covenant University	Artificial Intelligence & Image Processing	Rank 9,325
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Showing 1 to 87 of 87 Show

Countries with a similar count

Career-long list2022

Pakistan137 scientistsin 2022

Qatar110 scientistsin 2022

Ukraine96 scientistsin 2022

Bulgaria76 scientistsin 2022

Serbia73 scientistsin 2022

Slovakia72 scientistsin 2022

Explore other countries

Career-long list2022

South Africa713 scientistsin 2022

Egypt361 scientistsin 2022

Kenya35 scientistsin 2022

Tunisia27 scientistsin 2022

Algeria24 scientistsin 2022

Morocco21 scientistsin 2022

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Frequently asked questions

How many scientists from Nigeria are in the 2022 Stanford Top 2% list?

150 scientists affiliated with Nigeria are on the 2022 single-year list, and 87 are on the career-long list.

Which institute in Nigeria has the most Top 2% scientists?

On the 2022 career-long list, University of Nigeria has the most listed scientists from Nigeria, with 9. It is followed by University of Ibadan with 8.

How has the number of Top 2% scientists in Nigeria changed since 2020?

On the career-long list, Nigeria went from 42 scientists in 2020 to 87 in 2022, a change of +107.1%.

What is the difference between the single-year and career-long lists?

The single-year list ranks scientists on the citations their work received in one year. The career-long list ranks them on citations across their whole career. Both lists are published every year, and a scientist can be on one, both or neither.

What is the official source of this data?

The rankings come from the science-wide author databases of standardized citation indicators published by Ioannidis et al. in the Elsevier Data Repository, updated every year. TOPSCINET, an independent platform, organises that data by country, year, institute and field, so you can compare and explore it.