Nigeria's Top 2% Scientists 2023: Career-Long List

Nigeria has 99 scientists on the 2023 career-long Top 2% list, up 13.8% from 87 in 2022. That places Nigeria 49th in the world by number of listed scientists, up 1 place. University of Ibadan has the most listed scientists (11), followed by University of Nigeria (9).

Single Year

186

+36 (+24.0%) vs 2022

Career Data

+12 (+13.8%) vs 2022

World rank by count

#49

up 1 place vs 2022

Institutes

+8 (+19.5%) vs 2022

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 list2023

Show the list

All 99 scientists

Career-long list2023

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	8,612	GO Gureje, Oye	University College Hospital, Ibadan	Psychiatry	Rank 238
2	22,681	OB Olusanya, Bolajoko O.	Centre for Healthy Start Initiative	General & Internal Medicine	Rank 329
3	28,206	OE Oguzie, Emeka E.	Federal University of Technology, Owerri	Materials	Rank 335
4	29,476	OG Oboh, Ganiyu	Federal University of Technology, Akure	Food Science	Rank 116
5	37,982	EE Ezugwu, Emmanuel O.	Air Force Institute of Technology	Mechanical Engineering & Transports	Rank 222
6	38,308	FE Farombi, Ebenezer O.	College of Medicine, University of Ibadan	Toxicology	Rank 154
7	43,377	OA Olajire, Abass Abiola	Ladoke Akintola University of Technology	Environmental Sciences	Rank 224
8	67,324	LL Luiselli, Luca	Rivers State University	Ecology	Rank 1,102
9	72,332	Lawal, Olayide Samuel	Federal University, Oye-Ekiti	Food Science	Rank 342
10	73,439	AR Adegbola, Richard	Nigerian Institute of Medical Research	Microbiology	Rank 1,864
11	74,761	OM Owolabi, Mayowa O.	College of Medicine, University of Ibadan	Neurology & Neurosurgery	Rank 5,040
12	75,591	CC Chidume, C. E.	African University of Science and Technology	General Mathematics	Rank 343
13	83,296	UC Uneke, Chigozie Jesse	Ebonyi State University	General & Internal Medicine	Rank 1,067
14	84,367	OF Okonofua, Friday	University of Benin	Obstetrics & Reproductive Medicine	Rank 813
15	87,622	AA Adewuya, Abiodun O.	Lagos State University	Psychiatry	Rank 1,549
16	90,319	OI Okeke, Iruka N.	University of Ibadan	Microbiology	Rank 2,287
17	92,869	OK Owolabi, Kolade M.	Federal University of Technology, Akure	Mathematical Physics	Rank 54
18	93,166	OO Onwujekwe, Obinna	University of Nigeria	Health Policy & Services	Rank 252
19	94,288	OB Osuntokun, B. O.	University College Hospital, Ibadan	General & Internal Medicine	Rank 1,208
20	98,880	AE Ameh, Emmanuel A.	National Hospital, Abuja	Pediatrics	Rank 544
21	124,110	IM Iwu, Maurice M.	Bioresources Institute of Nigeria	Medicinal & Biomolecular Chemistry	Rank 436
22	127,086	KB Kang, B. T.	International Institute of Tropical Agriculture	Agronomy & Agriculture	Rank 671
23	127,491	OO Orisakwe, Orish E.	University of Port Harcourt	Toxicology	Rank 565
24	131,330	MJ Mbagwu, J. S.C.	University of Nigeria	Agronomy & Agriculture	Rank 699
25	132,970	EN Eddy, Nnabuk O.	University of Nigeria	Energy	Rank 1,728
26	137,154	SA Sowunmi, Akintunde	University of Ibadan	Tropical Medicine	Rank 323
27	150,176	AI Animasaun, I. L.	Federal University of Technology, Akure	Mechanical Engineering & Transports	Rank 1,056
28	156,771	ON Oladoja, Nurudeen Abiola	Adekunle Ajasin University	Chemical Engineering	Rank 772
29	160,615	JB Jones, Barrie R.	Ahmadu Bello University	General & Internal Medicine	Rank 2,080
30	169,781	AO Adaramoye, Oluwatosin Adekunle	Bowen University	Toxicology	Rank 805
31	171,232	OF Okieimen, Felix	University of Benin	Polymers	Rank 1,540
32	174,328	SN Sanginga, Nteranya	International Institute of Tropical Agriculture	Agronomy & Agriculture	Rank 988
33	174,914	LC Loto, Cleophas A.	Covenant University	Materials	Rank 2,389
34	177,699	NS Nathaniel, Solomon P.	University of Lagos	Environmental Sciences	Rank 1,234
35	177,946	UK Ukwaja, Kingsley N.	Alex Ekwueme Federal University Teaching Hospital	General & Internal Medicine	Rank 2,314
36	180,735	AJ Agbenin, John O.	Federal University, Oye-Ekiti	Agronomy & Agriculture	Rank 1,033
37	184,579	MA Menkir, Abebe	International Institute of Tropical Agriculture	Plant Biology & Botany	Rank 2,674
38	188,288	OS Oyedepo, Sunday O.	Covenant University	Energy	Rank 2,586
39	188,699	BO Bello, O. S.	Ladoke Akintola University of Technology	Environmental Sciences	Rank 1,333
40	189,739	AP Akah, Peter A.	University of Nigeria	Medicinal & Biomolecular Chemistry	Rank 737
41	190,222	OJ Ogbonna, James C.	University of Nigeria	Biotechnology	Rank 608
42	190,648	OM Osilike, M. O.	University of Nigeria	General Mathematics	Rank 1,239
43	193,328	TO Tomori, Oyewale	Redeemer‘s University	General & Internal Medicine	Rank 2,524
44	198,025	IC Iwegbue, Chukwujindu M.A.	Delta State University Nigeria	Environmental Sciences	Rank 1,413
45	201,182	FO Fagbenro, Oyedapo Adewale	Federal University of Technology, Akure	Fisheries	Rank 601
46	205,838	IU Ishiaku, Umaru S.	Ahmadu Bello University	Polymers	Rank 1,867
47	206,717	SA Sanni, Abiodun	University of Ibadan	Food Science	Rank 1,131
48	210,211	FM Folayan, Morenike Oluwatoyin	Obafemi Awolowo University	Dentistry	Rank 1,313
49	211,145	NO Nwafor, O. M.I.	Federal University of Technology, Owerri	Energy	Rank 2,956
50	212,305	SS Strebelle, Sebastien	Chevron Nigeria Limited	Energy	Rank 2,979
51	216,551	HA Habib, Abdulrazaq G.	Bayero University	Tropical Medicine	Rank 516
52	220,693	AE Adekeye, Emmanuel Oladepo	Etomie Oral and Maxillofacial Specialist Hospital	Dentistry	Rank 1,393
53	226,575	MI Musa, Idris Atadashi	Adamawa State University, Mubi	Energy	Rank 3,211
54	226,679	AW Adeyemo, Wasiu Lanre	Lagos University Teaching Hospital	Dentistry	Rank 1,433
55	227,907	AV Aletor, Valentine Ayobore	Federal University of Technology, Akure	Food Science	Rank 1,256
56	229,828	JB Jha, Basant K.	Ahmadu Bello University	Mechanical Engineering & Transports	Rank 1,685
57	231,401	LA Lawal, Abdulazeez Tunbosun	Fountain University	Analytical Chemistry	Rank 1,957
58	232,569	HR Horton, Robin	Obafemi Awolowo University	Cultural Studies	Rank 85
59	233,288	AA Adeneye, Adejuwon Adewale	Lagos State University	Medicinal & Biomolecular Chemistry	Rank 1,007
60	233,894	Lateef, Agbaje	Ladoke Akintola University of Technology	Plant Biology & Botany	Rank 3,419
61	236,304	AK Adebowale, Kayode O.	University of Ibadan	Food Science	Rank 1,321
62	238,178	AA Attama, Anthony A.	University of Nigeria	Pharmacology & Pharmacy	Rank 2,424
63	238,466	AA Adefegha, Adeniyi S.	Federal University of Technology, Akure	Food Science	Rank 1,334
64	238,562	AE Adeyeye, E. I.	Ekiti State University	Food Science	Rank 1,336
65	243,244	SL Salako, L.	University of Ibadan	Tropical Medicine	Rank 600
66	250,981	AS Abarikwu, Sunny O.	University of Port Harcourt	Toxicology	Rank 1,264
67	254,990	LR Loto, Roland Tolulope	Covenant University	Materials	Rank 3,673
68	264,357	AD Akinyele, Daniel O.	Olabisi Onabanjo University	Energy	Rank 3,837
69	265,988	MM Meremikwu, Martin	University of Calabar	General & Internal Medicine	Rank 3,548
70	269,868	AO Abiola, Olusegun Khinde	Federal University of Petroleum Resources, Effurun	Energy	Rank 3,950
71	270,822	NI Nnorom, Innocent Chidi	Abia State University	Environmental Sciences	Rank 2,062
72	277,706	HK Harrison, Kelsey A.	University of Port Harcourt	General & Internal Medicine	Rank 3,700
73	278,603	IE Ibem, Eziyi O.	University of Nigeria	Building & Construction	Rank 712
74	280,304	EO Ekundayo, Olusegun	University of Ibadan	Medicinal & Biomolecular Chemistry	Rank 1,306
75	287,505	OK Osinubi, K. J.	Ahmadu Bello University	Geological & Geomatics Engineering	Rank 1,348
76	294,110	AD Akinpelu, David	Obafemi Awolowo University	Medicinal & Biomolecular Chemistry	Rank 1,392
77	297,982	YM Yakubu, Musa Toyin	University of Ilorin	Medicinal & Biomolecular Chemistry	Rank 1,414
78	302,637	RA Rafindadi, Abdulkadir Abdulrashid	Usmanu Danfodiyo University	Energy	Rank 4,559
79	318,971	AT Ayodele, Temitope	University of Ibadan	Energy	Rank 4,856
80	323,124	Olatomiwa, Lanre	Federal University of Technology, Minna	Energy	Rank 4,942
81	330,110	AV Aigbodion, Victor Sunday	University of Nigeria	Materials	Rank 5,004
82	330,277	DM Danesi, Mustafa	College of Medicine, University of Lagos	General & Internal Medicine	Rank 4,485
83	331,103	JB Jibril, Baba Y.	Ahmadu Bello University	Energy	Rank 5,073
84	337,812	WC Wambebe, Charles	International Biomedical Research Institute (IBRI)	Medicinal & Biomolecular Chemistry	Rank 1,645
85	338,117	ON Obi-Egbedi, Nelson Okpako	University of Ibadan	Energy	Rank 5,225
86	344,488	IO Ilesanmi, Olayinka	University College Hospital, Ibadan	General & Internal Medicine	Rank 4,702
87	365,445	OA Ogbera, A.	Lagos State University Teaching Hospital	General & Internal Medicine	Rank 4,990
88	370,475	AP Awoyera, Paul Oluwaseun	Covenant University	Building & Construction	Rank 1,037
89	371,041	IU Ite, Uwem E.	Oriental Energy Resources Limited	Energy	Rank 5,865
90	374,443	AE Ajaiyeoba, Edith Oriabure	University of Ibadan	Medicinal & Biomolecular Chemistry	Rank 1,883
91	376,324	NW Nwagwu, Williams	University of Ibadan	Information & Library Sciences	Rank 273
92	383,840	IC Idumah, Christopher Igwe	Nnamdi Azikiwe University	Polymers	Rank 3,582
93	388,278	FO Fawole, Olufunmilayo I.	University of Ibadan	General & Internal Medicine	Rank 5,333
94	396,942	BB Badu-Apraku, Baffour	International Institute of Tropical Agriculture	Plant Biology & Botany	Rank 6,074
95	401,669	OO Odusanya, Olumuyiwa O.	Lagos State University	General & Internal Medicine	Rank 5,527
96	404,075	AO Ajayi, Oluseyi O.	Covenant University	Materials	Rank 6,299
97	407,440	EG Edington, G. M.	Ahmadu Bello University	General & Internal Medicine	Rank 5,615
98	504,813	AS Anyanwu, Stanley	Nnamdi Azikiwe University	General Clinical Medicine	Rank 420
99	531,450	FO Fayomi, Ojo S.I.	Bells University of Technology	Materials	Rank 8,760
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Showing 1 to 99 of 99 Show

Countries with a similar count

Career-long list2023

Slovenia172 scientistsin 2023

Romania169 scientistsin 2023

Qatar124 scientistsin 2023

Ukraine95 scientistsin 2023

Serbia83 scientistsin 2023

Slovakia83 scientistsin 2023

Explore other countries

Career-long list2023

Liberia22 scientistsin 2023

South Africa775 scientistsin 2023

Egypt416 scientistsin 2023

Kenya38 scientistsin 2023

Morocco33 scientistsin 2023

Tunisia28 scientistsin 2023

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Frequently asked questions

How many scientists from Nigeria are in the 2023 Stanford Top 2% list?

186 scientists affiliated with Nigeria are on the 2023 single-year list, and 99 are on the career-long list.

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

On the 2023 career-long list, University of Ibadan has the most listed scientists from Nigeria, with 11. It is followed by University of Nigeria with 9.

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 99 in 2023, a change of +135.7%.

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.