Ghana's Top 2% Scientists 2025

Ghana has 70 scientists on the 2025 single-year Top 2% list, up 12.9% from 62 in 2024. That places Ghana 72nd in the world by number of listed scientists, up 1 place. University of Ghana has the most listed scientists (18), followed by University of Health and Allied Sciences, Ghana (8).

Single Year

+8 (+12.9%) vs 2024

Career Data

+10 (+45.5%) vs 2024

World rank by count

#72

up 1 place vs 2024

Institutes

-2 (-8.0%) vs 2024

Scientists in Ghana on the list, by year

The single-year count has more than tripled since 2020.

Single-year list, change on the previous year

2021+64.7%

2022+14.3%

2023+43.8%

2024+34.8%

2025+12.9%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	17		12
2021	28	+64.7%	14	+16.7%
2022	32	+14.3%	17	+21.4%
2023	46	+43.8%	17	+0.0%
2024	62	+34.8%	22	+29.4%
2025	70	+12.9%	32	+45.5%

Top 10 institutes in Ghana

By number of listed scientists

Single-year list2025

Show the list

All 70 scientists

Single-year list2025

Everyone on the list, free to browse.

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Rank in Ghana	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	2,202	EM Ezzati, Majid Hassanpour	University of Ghana	General & Internal Medicine	Rank 48
2	8,281	AS Adams, Samuel	Ghana Institute of Management and Public Administration (GIMPA)	Economics	Rank 164
3	19,593	SA Seidu, Abdul Aziz	University of Cape Coast Ghana	Public Health	Rank 192
4	22,003	SE Sampane-Donkor, Eric Sampane	University of Ghana	Microbiology	Rank 404
5	22,740	KP Kwakwa, Paul Adjei	University of Energy and Natural Resources	Environmental Sciences	Rank 496
6	25,475	DD Doku, David Teye	University of Cape Coast Ghana	Public Health	Rank 241
7	26,369	MJ Mensah, Justice Tei	University of Cape Coast Ghana	Environmental Sciences	Rank 571
8	28,662	AJ Abor, Joshua Yindenaba	University of Ghana Business School	Finance	Rank 134
9	29,577	AA Amegah, A. K.	University of Cape Coast Ghana	Toxicology	Rank 102
10	29,625	EM Ekor, Martins N.	University of Cape Coast Ghana	Toxicology	Rank 103
11	37,286	AI Adam, Issahaku	University of Cape Coast Ghana	Sport, Leisure & Tourism	Rank 200
12	39,949	KN Kugbey, Nuworza	University of Environment and Sustainable Development	Public Health	Rank 375
13	41,933	AE Afoakwa, Emmanuel Ohene	Ghana Communication Technology University	Food Science	Rank 447
14	53,725	OA Oppong Asante, Kwaku	University of Ghana	Public Health	Rank 522
15	57,421	DG Danso-Abbeam, Gideon	University for Development Studies Ghana	Environmental Sciences	Rank 1,272
16	59,920	Asamoah, Joshua Kiddy K.	Kwame Nkrumah University of Science & Technology	Applied Physics	Rank 1,131
17	63,047	BE Bonyah, Ebenezer	Akenten Appiah-Menka University of Skills Training and Entrepreneurial Development	Applied Physics	Rank 1,184
18	71,978	ND Neina, Dora	University of Ghana	Agronomy & Agriculture	Rank 510
19	72,468	FA Fosu, Augustin Kwasi	University of Ghana	Development Studies	Rank 72
20	75,859	AS Agyei, Samuel Kwaku	University of Cape Coast Ghana	Finance	Rank 316
21	81,582	HR Hinson, Robert Ebo	University of Ghana Business School	Marketing	Rank 499
22	84,550	AH Amu, Hubert	University of Health and Allied Sciences, Ghana	Public Health	Rank 839
23	84,859	BJ Bayuo, Jonas	C. K. Tedam University of Technology and Applied Sciences (CKT-UTAS)	Environmental Sciences	Rank 1,954
24	85,888	Amoako, George Kofi	Ghana Communication Technology University	Business & Management	Rank 1,927
25	93,430	AP Antwi-Agyei, Philip	Kwame Nkrumah University of Science & Technology	Environmental Sciences	Rank 2,172
26	94,168	AO Akoto, Osei Yaw	Kwame Nkrumah University of Science & Technology	Environmental Sciences	Rank 2,187
27	99,190	JA Joel Aikins Abakah, Emmanuel Joel Aikins	University of Ghana Business School	Finance	Rank 389
28	99,231	AR Aboagye, Richard Gyan	University of Health and Allied Sciences, Ghana	General & Internal Medicine	Rank 1,274
29	100,432	OM Oteng-Ababio, Martin	University of Ghana	Urban & Regional Planning	Rank 323
30	115,735	AF Agyenim, Francis Boateng	CSIR - Institute of Industrial Research	Energy	Rank 3,592
31	116,613	LA Lartey, Anna A.	University of Ghana	Nutrition & Dietetics	Rank 726
32	121,572	DC Dzah, Courage Sedem	Ho Technical University	Food Science	Rank 1,566
33	123,028	AA Ahmed, Abubakari	Simon Diedong Dombo University of Business and Integrated Development Studies	Urban & Regional Planning	Rank 393
34	126,625	AA Appeaning Addo, K.	University of Ghana	Oceanography	Rank 143
35	126,651	SF Sarfo, Fred Stephen	Komfo Anokye Teaching Hospital	Neurology & Neurosurgery	Rank 5,201
36	133,077	DA De-Graft Aikins, Ama	University of Ghana	Public Health	Rank 1,356
37	138,575	GJ Ganle, John Kuumuori	University of Ghana	Public Health	Rank 1,399
38	138,926	AF Adzitey, Frederick	University for Development Studies Ghana	Food Science	Rank 1,831
39	140,945	NE Nketiah-Amponsah, Edward	University of Ghana	Public Health	Rank 1,426
40	141,491	AM Ayanore, Martin Amogre	University of Health and Allied Sciences, Ghana	Public Health	Rank 1,433
41	153,049	NI Nti, Isaac Kofi	University of Energy and Natural Resources	Artificial Intelligence & Image Processing	Rank 6,388
42	159,208	BC Buabeng-Andoh, Charles	University of Education, Winneba	Education	Rank 2,025
43	163,568	SM Saaka, Mahama	University for Development Studies Ghana	Nutrition & Dietetics	Rank 1,016
44	164,300	AI Agyepong, Irène Akua	Ghana College of Physicians and Surgeons	Health Policy & Services	Rank 351
45	183,393	IM Immurana, Mustapha	University of Health and Allied Sciences, Ghana	General & Internal Medicine	Rank 2,231
46	188,628	YS Yidana, Sandow Mark	University of Ghana	Environmental Engineering	Rank 1,161
47	201,456	AK Asante, Kwaku Poku	Kintampo Health Research Centre	Tropical Medicine	Rank 263
48	203,574	AE Amenyogbe, Eric	University of Environment and Sustainable Development	Fisheries	Rank 482
49	223,427	TB Tawiah, Benjamin	Kwame Nkrumah University of Science & Technology	Polymers	Rank 2,431
50	240,781	RL Rusinamhodzi, Leonard	International Institute of Tropical Agriculture	Agronomy & Agriculture	Rank 1,851
51	258,319	QR Quansah, Reginald	University of Ghana	Toxicology	Rank 1,018
52	261,650	BO Boachie-Adjei, Oheneba B.	FOCOS Hospital	Orthopedics	Rank 1,583
53	285,687	AE Abarike, Emmanuel Delwin	University for Development Studies Ghana	Fisheries	Rank 732
54	301,518	AA Asase, Alex	Centre for Plant Medicine Research	Medicinal & Biomolecular Chemistry	Rank 1,473
55	321,666	AY Amoako, Yaw Ampem	Kwame Nkrumah University of Science & Technology	General & Internal Medicine	Rank 3,691
56	335,776	OS Owusu-Agyei, Seth	University of Health and Allied Sciences, Ghana	Tropical Medicine	Rank 486
57	337,321	AR Adanu, Richard Mawuena Kofi	University of Ghana	Obstetrics & Reproductive Medicine	Rank 1,975
58	346,097	DP Donkor, Peter A.	University of Energy and Natural Resources	Surgery	Rank 1,987
59	385,068	BF Binka, Fred Newton	University of Health and Allied Sciences, Ghana	Tropical Medicine	Rank 575
60	385,925	AC Agyare, Christian	Kwame Nkrumah University of Science & Technology	Medicinal & Biomolecular Chemistry	Rank 2,059
61	422,478	BR Biritwum, Richard Berko	University of Ghana	Tropical Medicine	Rank 642
62	444,236	AJ Asamoah-Gyadu, J. Kwabena	Trinity Theological Seminary	Religions & Theology	Rank 107
63	444,922	YA Yawson, Alfred Edwin	University of Ghana	General & Internal Medicine	Rank 4,981
64	465,606	GJ Gyapong, John O.	University of Health and Allied Sciences, Ghana	Tropical Medicine	Rank 702
65	476,581	GM Gyapong, Margaret	University of Health and Allied Sciences, Ghana	Tropical Medicine	Rank 731
66	485,021	Kumah, Emmanuel	University of Education, Winneba	General & Internal Medicine	Rank 5,389
67	490,783	KE Kenu, Ernest	University of Ghana	Tropical Medicine	Rank 752
68	512,660	AY Afrane, Yaw Asare	University of Ghana	Tropical Medicine	Rank 799
69	584,989	GA Gyedu, Adam	Kwame Nkrumah University of Science & Technology	Surgery	Rank 3,758
70	604,792	AK Ae-Ngibise, Kenneth Ayuurebobi	Kintampo Health Research Centre	General & Internal Medicine	Rank 6,598
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Showing 1 to 70 of 70 Show

Countries with a similar count

Single-year list2025

Algeria80 scientists

Lithuania74 scientists

Kuwait73 scientists

Kenya69 scientists

Philippines69 scientists

Iceland66 scientists

Explore other countries

Single-year list2025

Nigeria291 scientists

Liberia44 scientists

Egypt1,106 scientists

South Africa975 scientists

Ethiopia194 scientists

Morocco134 scientists

All countries on the world map

Frequently asked questions

How many scientists from Ghana are in the 2025 Stanford Top 2% list?

70 scientists affiliated with Ghana are on the 2025 single-year list, and 32 are on the career-long list.

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

On the 2025 single-year list, University of Ghana has the most listed scientists from Ghana, with 18. It is followed by University of Health and Allied Sciences, Ghana with 8.

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

On the single-year list, Ghana went from 17 scientists in 2020 to 70 in 2025, a change of +311.8%.

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.