Nigeria's Top 2% Scientists 2021

Nigeria has 121 scientists on the 2021 single-year Top 2% list, up 70.4% from 71 in 2020. That places Nigeria 50th in the world by number of listed scientists. University of Ibadan has the most listed scientists (12), followed by Covenant University (8).

Single Year

121

+50 (+70.4%) vs 2020

Career Data

+31 (+73.8%) vs 2020

World rank by count

#50

No change vs 2020

Institutes

+18 (+50.0%) vs 2020

Scientists in Nigeria on the list, by year

The single-year count has grown 70% since 2020.

Single-year list, change on the previous year

2021+70.4%

2022+24.0%

2023+24.0%

2024+25.3%

2025+24.9%

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

Single-year list2021

Show the list

All 121 scientists

Single-year list2021

The first 100 are free to browse.

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Rank in Nigeria	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	6,108	GO Gureje, Oye	University of Ibadan	Psychiatry	Rank 150
2	6,628	OA Olajire, A. A.	Ladoke Akintola University of Technology	Environmental Sciences	Rank 65
3	7,512	OB Olusanya, Bolajoko O.	Centre for Healthy Start Initiative	Pediatrics	Rank 14
4	12,005	OE Oguzie, Emeka E.	Federal University of Technology, Owerri	Materials	Rank 204
5	12,576	OG Oboh, Ganiyu	Federal University of Technology, Akure	Food Science	Rank 70
6	15,707	EE Ezugwu, Emmanuel O.	Air Force Institute of Technology	Mechanical Engineering & Transports	Rank 150
7	24,787	OM Owolabi, Mayowa O.	College of Medicine, University of Ibadan	Neurology & Neurosurgery	Rank 1,421
8	26,877	AI Animasaun, I. L.	Federal University of Technology, Akure	Mechanical Engineering & Transports	Rank 268
9	27,547	FE Farombi, Ebenezer O.	College of Medicine, University of Ibadan	Toxicology	Rank 110
10	31,204	Lawal, Olayide Samuel	Federal University, Oye-Ekiti	Food Science	Rank 208
11	36,643	AK Alaneme, Kenneth Kanayo	Federal University of Technology, Akure	Materials	Rank 669
12	39,219	UK Ukwaja, Kingsley N.	Alex Ekwueme Federal University Teaching Hospital	General & Internal Medicine	Rank 484
13	44,264	UC Uneke, Chigozie Jesse	Ebonyi State University	General & Internal Medicine	Rank 541
14	49,104	LA Lawal, Abdulazeez T.	Fountain University	Analytical Chemistry	Rank 288
15	53,772	YA Yusuf, Abdullahi	Federal University Dutse	General Physics	Rank 302
16	54,058	AD Akinyele, Daniel	Bells University of Technology	Energy	Rank 1,138
17	56,433	ST Sulaiman, Tukur A.	Federal University Dutse	Optoelectronics & Photonics	Rank 117
18	57,815	AA Adewuya, Abiodun O.	Lagos State University	Psychiatry	Rank 1,022
19	62,074	RA Rafindadi, Abdulkadir Abdulrashid	Usmanu Danfodiyo University	Energy	Rank 1,309
20	62,259	OO Orisakwe, Orish E.	University of Port Harcourt	Toxicology	Rank 238
21	62,417	BO Bello, Olugbenga Solomon	Ladoke Akintola University of Technology	Chemical Engineering	Rank 415
22	63,033	ON Oladoja, Nurudeen A.	Adekunle Ajasin University	Chemical Engineering	Rank 423
23	63,323	LL Luiselli, Luca	Rivers State University of Science and Technology	Ecology	Rank 1,284
24	65,250	OP Ozili, Peterson K.	Central Bank of Nigeria	Finance	Rank 230
25	69,570	Adefegha, Stephen Adeniyi	Federal University of Technology, Akure	Food Science	Rank 520
26	71,682	OS Oyedepo, Sunday O.	Covenant University	Energy	Rank 1,520
27	72,704	LR Loto, Roland T.	Covenant University	Materials	Rank 1,339
28	79,223	OI Okeke, Iruka N.	University of Ibadan	Microbiology	Rank 1,769
29	84,849	LC Loto, Cleophas	Covenant University	Materials	Rank 1,596
30	87,191	EN Eddy, Nnabuk Okon	University of Nigeria	Energy	Rank 1,873
31	89,197	TA Taiwo, Adewale M.	Federal University of Agriculture, Abeokuta	Environmental Sciences	Rank 1,160
32	96,255	IE Igbinosa, Etinosa O.	University of Benin	Microbiology	Rank 2,157
33	98,661	Olasunkanmi, Lukman O.	Obafemi Awolowo University	Chemical Physics	Rank 1,451
34	100,264	NS Nathaniel, Solomon Prince	University of Lagos	Environmental Sciences	Rank 1,321
35	102,156	AE Ameh, Emmanuel A.	National Hospital, Abuja	Pediatrics	Rank 354
36	102,723	Lateef, Agbaje	Ladoke Akintola University of Technology	Biotechnology	Rank 421
37	103,172	OO Onwujekwe, Obinna	University of Nigeria	Health Policy & Services	Rank 279
38	105,964	AT Ayodele, Temitope Rapheal	University of Ibadan	Energy	Rank 2,341
39	106,472	AK Adebowale, Kayode O.	University of Ibadan	Food Science	Rank 840
40	108,505	AA Ademiluyi, Adedayo O.	Federal University of Technology, Akure	Food Science	Rank 861
41	110,760	IC Iwegbue, Chukwujindu M.A.	Delta State University Nigeria	Environmental Sciences	Rank 1,474
42	110,806	CC Chidume, Charles E.	African University of Science and Technology	General Mathematics	Rank 644
43	111,813	OK Osinubi, Kolawole	Ahmadu Bello University	Geological & Geomatics Engineering	Rank 867
44	112,382	AI Atadashi, I. M.	Adamawa State University	Energy	Rank 2,525
45	112,403	SA Salisu, Afees A.	University of Ibadan	Economics	Rank 1,338
46	115,122	HA Habib, Abdulrazaq Garba	Bayero University	Tropical Medicine	Rank 194
47	115,600	AS Abarikwu, S. O.	University of Port Harcourt	Toxicology	Rank 482
48	116,141	JB Jha, Basant K.	Ahmadu Bello University	Mechanical Engineering & Transports	Rank 1,063
49	120,237	EO Erejuwa, Omotayo O.	Ebonyi State University	Chemical Physics	Rank 1,734
50	126,308	OA Olagunju, Andrew T.	University of Lagos	General & Internal Medicine	Rank 1,308
51	127,055	IE Ibem, Eziyi O.	University of Nigeria	Building & Construction	Rank 669
52	136,399	FB Falaye, Babatunde James	Federal University, Lafia	General Physics	Rank 751
53	136,593	Hashim, Mazlan	Universiti Teknologi Malaysia	Geological & Geomatics Engineering	Rank 1,063
54	136,847	SS Strebelle, Sebastien	Chevron Nigeria Limited	Energy	Rank 3,145
55	139,227	ON Obi-Egbedi, Nelson Okpako	University of Ibadan	Energy	Rank 3,195
56	140,972	SG Sobamowo, Gbeminiyi M.	University of Lagos	Mechanical Engineering & Transports	Rank 1,295
57	141,612	AR Adegbola, Richard	Nigerian Institute of Medical Research	Microbiology	Rank 3,147
58	142,146	OF Okonofua, Friday	University of Benin	Obstetrics & Reproductive Medicine	Rank 988
59	143,575	AO Adaramoye, Oluwatosin A.	University of Ibadan	Toxicology	Rank 611
60	143,893	GU Gaya, Umar Ibrahim	Bayero University	Analytical Chemistry	Rank 1,083
61	144,553	Dahunsi, Samuel O.	Landmark University	Energy	Rank 3,322
62	145,359	MS Misra, Sanjay	Covenant University	Artificial Intelligence & Image Processing	Rank 3,280
63	145,774	AS Adesanya, S. O.	Redeemer‘s University	Mechanical Engineering & Transports	Rank 1,350
64	148,144	NV Njoku, Victor O.	Imo State University	Chemical Engineering	Rank 1,138
65	148,295	AP Awoyera, Paul Oluwaseun	Covenant University	Materials	Rank 2,996
66	150,684	AV Aigbodion, Victor Sunday	University of Nigeria	Materials	Rank 3,053
67	150,903	MA Menkir, Abebe	International Institute of Tropical Agriculture (IITA), Ibadan	Plant Biology & Botany	Rank 2,390
68	152,674	BE Betiku, Eriola	Obafemi Awolowo University	Energy	Rank 3,516
69	163,174	UE Unuabonah, Emmanuel I.	Redeemer‘s University	Chemical Engineering	Rank 1,272
70	167,993	OE Osabuohien, Evans S.	Covenant University	Economics	Rank 1,836
71	168,671	NO Nwafor, O. M.I.	Federal University of Technology, Owerri	Energy	Rank 3,939
72	168,742	OA Ogunjuyigbe, A. S.O.	University of Ibadan	Energy	Rank 3,944
73	172,271	AT Ajiboye, T. O.	Nile University of Nigeria	Toxicology	Rank 744
74	174,083	IA Ikot, A. N.	University of Port Harcourt	Nuclear & Particle Physics	Rank 2,134
75	174,547	OC Okoye, Chukwuemeka Madubuko Ijeoma	University of Nigeria	General Physics	Rank 958
76	175,192	FM Folayan, Morenike Oluwatoyin	Obafemi Awolowo University	Dentistry	Rank 860
77	183,105	AA Adewumi, Adebayo O.	Obafemi Awolowo University	Artificial Intelligence & Image Processing	Rank 4,111
78	185,296	LA Lawal, Akeem O.	Federal University of Technology, Akure	Toxicology	Rank 820
79	186,874	AA Attama, Anthony A.	University of Nigeria	Pharmacology & Pharmacy	Rank 1,427
80	191,015	OP Okafor, Peter C.	University of Calabar	Energy	Rank 4,548
81	192,105	IO Ilesanmi, Olayinka S.	University College Hospital, Ibadan	General & Internal Medicine	Rank 1,940
82	192,485	AO Ajayi, O. O.	Covenant University	Materials	Rank 4,045
83	192,896	BR Bandyopadhyay, Ranajit	International Institute of Tropical Agriculture (IITA), Ibadan	Plant Biology & Botany	Rank 3,107
84	196,884	AI Adedara, Isaac A.	College of Medicine, University of Ibadan	Toxicology	Rank 867
85	203,831	AA Aliyu, Aliyu I.	Federal University Dutse	Optics	Rank 928
86	204,716	EJ Egbueri, Johnbosco C.	Chukwuemeka Odumegwu Ojukwu University	Analytical Chemistry	Rank 1,719
87	204,957	OC Ozoegwu, Chigbogu G.	University of Nigeria	Industrial Engineering & Automation	Rank 1,826
88	208,556	AA Adeneye, Adejuwon Adewale	Lagos State University	Medicinal & Biomolecular Chemistry	Rank 852
89	215,406	OK Oyewumi, K. J.	University of Ilorin	Nuclear & Particle Physics	Rank 2,577
90	215,880	IM Iwu, Maurice M.	Bioresources Development Group	Medicinal & Biomolecular Chemistry	Rank 888
91	216,328	OO Osanaiye, O. A.	Nile University of Nigeria	Networking & Telecommunications	Rank 2,034
92	220,079	FO Fawole, Olufunmilayo I.	University of Ibadan	Tropical Medicine	Rank 449
93	223,096	AP Adepoju, Paul	Science journalist	General & Internal Medicine	Rank 2,230
94	226,897	FO Fayomi, O. S.I.	Covenant University	Materials	Rank 4,929
95	234,878	MS Mohammed, Shafiu	Ahmadu Bello University	General & Internal Medicine	Rank 2,332
96	237,785	Ogoina, Dimie	Niger Delta University Teaching Hospital	Tropical Medicine	Rank 500
97	239,751	DE Dikio, Ezekiel D.	Niger Delta University	General Chemistry	Rank 660
98	244,961	EF Ezema, Fabian I.	University of Nigeria	Applied Physics	Rank 5,557
99	246,440	OA Oyagbemi, Ademola Adetokunbo	University of Ibadan	Toxicology	Rank 1,113
100	254,316	EE Elemike, Elias E.	Federal University of Petroleum Resources, Effurun	Inorganic & Nuclear Chemistry	Rank 1,438
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You are seeing the first 100. 21 more are on the 2021 single-year list.

Ranks 101 to 121The whole list, not only the top 100.

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Countries with a similar count

Single-year list2021

Slovenia165 scientistsin 2021

Qatar163 scientistsin 2021

Vietnam146 scientistsin 2021

Bangladesh97 scientistsin 2021

Jordan96 scientistsin 2021

Ukraine95 scientistsin 2021

Explore other countries

Single-year list2021

Ghana28 scientistsin 2021

South Africa752 scientistsin 2021

Egypt605 scientistsin 2021

Ethiopia68 scientistsin 2021

Tunisia52 scientistsin 2021

Algeria47 scientistsin 2021

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Frequently asked questions

How many scientists from Nigeria are in the 2021 Stanford Top 2% list?

121 scientists affiliated with Nigeria are on the 2021 single-year list, and 73 are on the career-long list.

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

On the 2021 single-year list, University of Ibadan has the most listed scientists from Nigeria, with 12. It is followed by Covenant University with 8.

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

On the single-year list, Nigeria went from 71 scientists in 2020 to 121 in 2021, a change of +70.4%.

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.