Nigeria's Top 2% Scientists 2024: Career-Long List

Nigeria has 117 scientists on the 2024 career-long Top 2% list, up 18.2% from 99 in 2023. That places Nigeria 49th in the world by number of listed scientists. University of Ibadan has the most listed scientists (17), followed by University of Nigeria (9).

Single Year

233

+47 (+25.3%) vs 2023

Career Data

117

+18 (+18.2%) vs 2023

World rank by count

#49

No change vs 2023

Institutes

+5 (+10.2%) vs 2023

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 list2024

Show the list

All 117 scientists

Career-long list2024

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	7,904	GO Gureje, Oye	University of Ibadan	Psychiatry	Rank 224
2	19,820	OB Olusanya, Bolajoko Olubukunola	Centre for Healthy Start Initiative	General & Internal Medicine	Rank 291
3	24,809	OG Oboh, Ganiyu	Federal University of Technology, Akure	Food Science	Rank 97
4	27,400	OE Oguzie, Emeka E.	Federal University of Technology, Owerri	Energy	Rank 311
5	35,671	FE Farombi, Ebenezer Olatunde	University of Ibadan	Toxicology	Rank 136
6	36,122	OA Olajire, Abass Abiola	Ladoke Akintola University of Technology	Environmental Sciences	Rank 208
7	37,229	EE Ezugwu, Emmanuel O.	Air Force Institute of Technology	Mechanical Engineering & Transports	Rank 237
8	60,494	OM Owolabi, Mayowa O.	University of Ibadan	Neurology & Neurosurgery	Rank 4,109
9	61,757	LL Luiselli, Luca	Rivers State University	Ecology	Rank 1,031
10	71,363	Lawal, Olayide Samuel	Federal University, Oye-Ekiti	Food Science	Rank 352
11	74,049	OK Owolabi, Kolade M.	Federal University of Technology, Akure	Mathematical Physics	Rank 40
12	75,284	CC Chidume, C. E.	African University of Science and Technology	General Mathematics	Rank 347
13	76,091	AR Adegbola, Richard	Nigerian Institute of Medical Research	Microbiology	Rank 1,902
14	77,807	OO Onwujekwe, Obinna Emmanuel	University of Nigeria	Health Policy & Services	Rank 198
15	83,427	OI Okeke, Iruka N.	University of Ibadan	Microbiology	Rank 2,080
16	83,659	OF Okonofua, Friday	University of Benin	Obstetrics & Reproductive Medicine	Rank 799
17	84,616	UC Uneke, Chigozie Jesse	Ebonyi State University	General & Internal Medicine	Rank 1,057
18	85,966	AA Adewuya, Abiodun O.	Lagos State University	Psychiatry	Rank 1,540
19	95,375	AE Ameh, Emmanuel	National Hospital, Abuja	Pediatrics	Rank 515
20	101,233	OB Osuntokun, B. O.	University College Hospital, Ibadan	General & Internal Medicine	Rank 1,280
21	105,194	NS Nathaniel, Solomon	University of Lagos	Environmental Sciences	Rank 728
22	116,360	AI Animasaun, I. L.	Federal University of Technology, Akure	Mechanical Engineering & Transports	Rank 826
23	117,289	OO Orisakwe, Orish E.	University of Port Harcourt	Toxicology	Rank 537
24	123,098	EN Eddy, Nnabuk Okon	University of Nigeria	Energy	Rank 1,679
25	126,988	OP Ozili, Peterson K.	Central Bank of Nigeria	Finance	Rank 215
26	128,181	IM Iwu, Maurice M.	Bioresources Institute of Nigeria	Medicinal & Biomolecular Chemistry	Rank 448
27	137,254	KB Kang, B. T.	International Institute of Tropical Agriculture	Agronomy & Agriculture	Rank 733
28	138,712	MJ Mbagwu, J. S.C.	University of Nigeria	Agronomy & Agriculture	Rank 741
29	140,969	ON Oladoja, Nurudeen Abiola	Adekunle Ajasin University	Chemical Engineering	Rank 698
30	144,341	SA Sowunmi, Akintunde	University of Ibadan	Tropical Medicine	Rank 340
31	151,296	BO Bello, Olugbenga Solomon	Ladoke Akintola University of Technology	Environmental Sciences	Rank 1,113
32	154,103	OC Okereke, Chukwumerije	Alex Ekwueme Federal University, Ndufu-Alike	Environmental Sciences	Rank 1,139
33	154,763	Ukwaja, Kingsley	Alex Ekwueme Federal University Teaching Hospital Abakaliki	General & Internal Medicine	Rank 1,993
34	158,351	LC Loto, Cleophas A.	Covenant University	Materials	Rank 2,203
35	160,255	AO Adaramoye, Oluwatosin Adekunle	Bowen University	Toxicology	Rank 765
36	163,474	OS Oyedepo, Sunday O.	Covenant University	Energy	Rank 2,299
37	166,039	FM Foláyan, Morẹ́nikẹ́ Oluwátóyìn	Obafemi Awolowo University	Dentistry	Rank 1,003
38	170,615	MA Menkir, Abebe	International Institute of Tropical Agriculture	Plant Biology & Botany	Rank 2,483
39	176,390	IC Iwegbue, Chukwujindu M.A.	Delta State University Nigeria	Environmental Sciences	Rank 1,341
40	178,357	SN Sanginga, Nteranya	International Institute of Tropical Agriculture	Agronomy & Agriculture	Rank 1,028
41	179,674	OF Okieimen, Felix E.	University of Benin	Polymers	Rank 1,614
42	185,552	AJ Agbenin, John O.	Federal University, Oye-Ekiti	Agronomy & Agriculture	Rank 1,076
43	189,530	TO Tomori, Oyewale	Redeemer‘s University	General & Internal Medicine	Rank 2,438
44	190,882	OJ Ogbonna, James Chukwuma	University of Nigeria	Biotechnology	Rank 606
45	192,729	AP Akah, Peter A.	University of Nigeria	Medicinal & Biomolecular Chemistry	Rank 749
46	199,175	SA Sanni, Abiodun	University of Ibadan	Food Science	Rank 1,132
47	200,162	FO Fagbenro, Oyedapo Adewale	Federal University of Technology, Akure	Fisheries	Rank 592
48	200,779	OM Osilike, M. O.	University of Nigeria	General Mathematics	Rank 1,341
49	202,903	Adefegha, Stephen Adeniyi	Federal University of Technology, Akure	Food Science	Rank 1,161
50	204,830	HA Habib, Abdulrazaq Garba	Bayero University	Tropical Medicine	Rank 483
51	205,887	Lateef, Agbaje	Ladoke Akintola University of Technology	Biotechnology	Rank 670
52	208,321	JB Jha, Basant K.	Ahmadu Bello University	Mechanical Engineering & Transports	Rank 1,543
53	211,509	LR Loto, Roland Tolulope	Covenant University	Materials	Rank 3,012
54	215,187	IU Ishiaku, U. S.	Ahmadu Bello University	Polymers	Rank 1,933
55	216,145	EA Edet, Aniekan	University of Calabar	Environmental Engineering	Rank 1,151
56	216,672	AW Adeyemo, Wasiu L.	University of Lagos	Dentistry	Rank 1,351
57	218,787	NO Nwafor, O. M.I.	Federal University of Technology, Owerri	Energy	Rank 3,239
58	220,178	EJ Egbueri, Johnbosco C.	Chukwuemeka Odumegwu Ojukwu University	Environmental Sciences	Rank 1,770
59	221,303	LA Lawal, Abdulazeez Tunbosun	Fountain University	Analytical Chemistry	Rank 1,829
60	222,111	MI Musa, Idris Atadashi	Adamawa State University, Mubi	Energy	Rank 3,306
61	224,810	AA Adeneye, Adejuwon Adewale	Lagos State University	Medicinal & Biomolecular Chemistry	Rank 944
62	228,823	AA Attama, Anthony A.	University of Nigeria	Pharmacology & Pharmacy	Rank 2,266
63	232,044	AS Abarikwu, Sunny O.	University of Port Harcourt	Toxicology	Rank 1,158
64	236,607	AE Adekeye, Emmanuel Oladepo	Etomie Oral and Maxillofacial Specialist Hospital	Dentistry	Rank 1,485
65	237,959	HR Horton, Robin	Obafemi Awolowo University	Cultural Studies	Rank 94
66	239,196	AV Aletor, Valentine A.	Federal University of Technology, Akure	Food Science	Rank 1,396
67	241,747	AE Adeyeye, Emmanuel Ilesanmi	Ekiti State University	Food Science	Rank 1,415
68	245,393	AD Akinyele, Daniel Oluwaseun	Olabisi Onabanjo University	Energy	Rank 3,683
69	247,803	NI Nnorom, Innocent C.	Abia State University	Environmental Sciences	Rank 2,039
70	249,167	IE Ibem, Eziyi O.	University of Nigeria	Building & Construction	Rank 699
71	251,374	MM Meremikwu, Martin	University of Calabar	General & Internal Medicine	Rank 3,336
72	256,141	AP Awoyera, Paul Oluwaseun	Covenant University	Building & Construction	Rank 716
73	256,218	Ilesanmi, Olayinka Stephen	University of Ibadan	General & Internal Medicine	Rank 3,395
74	260,936	SL Salako, L.	University of Ibadan	Tropical Medicine	Rank 635
75	263,952	Ogoina, Dimie	Niger Delta University Teaching Hospital	Tropical Medicine	Rank 644
76	265,565	AT Ayodele, Temitope Raphael	University of Ibadan	Energy	Rank 4,046
77	265,719	RA Rafindadi, Abdulkadir Abdulrashid	Usmanu Danfodiyo University	Energy	Rank 4,049
78	268,740	OK Osinubi, Kolawole J.	Ahmadu Bello University	Geological & Geomatics Engineering	Rank 1,306
79	270,875	TA Taiwo, Adewale M.	Federal University of Agriculture, Abeokuta	Environmental Sciences	Rank 2,277
80	276,379	YM Yakubu, Musa Toyin	University of Ilorin	Medicinal & Biomolecular Chemistry	Rank 1,283
81	277,097	IC Idumah, Christopher Igwe	Nnamdi Azikiwe University	Polymers	Rank 2,537
82	281,701	AO Abiola, Olusegun Khinde	Federal University of Petroleum Resources, Effurun	Energy	Rank 4,377
83	283,207	AV Aigbodion, Victor Sunday	University of Nigeria	Materials	Rank 4,248
84	289,493	EO Ekundayo, Olusegun	University of Ibadan	Medicinal & Biomolecular Chemistry	Rank 1,367
85	296,181	Olatomiwa, Lanre	Federal University of Technology, Minna	Energy	Rank 4,668
86	296,663	HK Harrison, Kelsey A.	University of Port Harcourt	General & Internal Medicine	Rank 3,946
87	297,780	AD Akinpelu, David	Obafemi Awolowo University	Medicinal & Biomolecular Chemistry	Rank 1,429
88	325,523	Yusuff, Adeyinka Sikiru	Afe Babalola University	Energy	Rank 5,224
89	328,478	BB Badu-Apraku, Baffour	International Institute of Tropical Agriculture	Plant Biology & Botany	Rank 4,976
90	329,413	OO Odeku, Oluwatoyin A.	University of Ibadan	Pharmacology & Pharmacy	Rank 3,348
91	331,972	JB Jibril, Baba El Yakubu	Ahmadu Bello University	Energy	Rank 5,345
92	333,309	AT Ajiboye, Taofik	Nile University of Nigeria	Toxicology	Rank 1,687
93	338,082	ON Obi-Egbedi, Nelson Okpako	University of Ibadan	Energy	Rank 5,473
94	340,805	DM Danesi, Mustafa	University of Lagos	General & Internal Medicine	Rank 4,600
95	340,936	AS Adesina, Simeon K.	Obafemi Awolowo University	Medicinal & Biomolecular Chemistry	Rank 1,671
96	351,790	WC Wambebe, Charles	International Biomedical Research Institute (IBRI)	Medicinal & Biomolecular Chemistry	Rank 1,752
97	357,247	FO Fawole, Olufunmilayo I.	University of Ibadan	General & Internal Medicine	Rank 4,822
98	359,263	DS Dahunsi, Samuel Olatunde	Bowen University	Energy	Rank 5,938
99	364,002	OA Ogbera, Anthonia Okeoghene	Lagos State University Teaching Hospital	General & Internal Medicine	Rank 4,914
100	365,791	AO Ajayi, Oluseyi O.	Covenant University	Materials	Rank 5,746
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Countries with a similar count

Career-long list2024

Slovenia192 scientistsin 2024

Romania188 scientistsin 2024

Qatar147 scientistsin 2024

Ukraine103 scientistsin 2024

Slovakia97 scientistsin 2024

Cyprus92 scientistsin 2024

Explore other countries

Career-long list2024

Ghana22 scientistsin 2024

South Africa826 scientistsin 2024

Egypt495 scientistsin 2024

Tunisia40 scientistsin 2024

Kenya38 scientistsin 2024

Morocco37 scientistsin 2024

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Frequently asked questions

How many scientists from Nigeria are in the 2024 Stanford Top 2% list?

233 scientists affiliated with Nigeria are on the 2024 single-year list, and 117 are on the career-long list.

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

On the 2024 career-long list, University of Ibadan has the most listed scientists from Nigeria, with 17. 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 117 in 2024, a change of +178.6%.

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.