Ethiopia's Top 2% Scientists 2021

Ethiopia has 68 scientists on the 2021 single-year Top 2% list, up 142.9% from 28 in 2020. That places Ethiopia 60th in the world by number of listed scientists, up 14 places. Addis Ababa University has the most listed scientists (18), followed by University of Gondar (8).

Single Year

+40 (+142.9%) vs 2020

Career Data

+3 (+30.0%) vs 2020

World rank by count

#60

up 14 places vs 2020

Institutes

+15 (+93.8%) vs 2020

Scientists in Ethiopia on the list, by year

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

Single-year list, change on the previous year

2021+142.9%

2022+54.4%

2023+27.6%

2024+11.2%

2025+30.2%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	28		10
2021	68	+142.9%	13	+30.0%
2022	105	+54.4%	16	+23.1%
2023	134	+27.6%	17	+6.2%
2024	149	+11.2%	24	+41.2%
2025	194	+30.2%	26	+8.3%

Top 10 institutes in Ethiopia

By number of listed scientists

Single-year list2021

Show the list

All 68 scientists

Single-year list2021

Everyone on the list, free to browse.

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Rank in Ethiopia	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	10,594	RG Roth, Gregory A.	St. Paul‘s Hospital Millennium Medical College	General & Internal Medicine	Rank 145
2	22,339	KJ Kempen, John H.	Myungsung Christian Medical Center	Ophthalmology & Optometry	Rank 85
3	28,313	BW Bewket, Woldeamlak	Addis Ababa University	Environmental Sciences	Rank 340
4	30,941	MS Muthupandian, Saravanan	Mekelle University	Inorganic & Nuclear Chemistry	Rank 121
5	39,153	NJ Nkengasong, John N.	Africa Centres for Disease Control and Prevention	Virology	Rank 215
6	41,172	Vellaiyan, Suresh	Haramaya University	Energy	Rank 860
7	43,784	IW Ibrahim, Wubshet	Ambo University	Mechanical Engineering & Transports	Rank 423
8	47,266	WJ Widdows, John	Plymouth Marine Laboratory	Marine Biology & Hydrobiology	Rank 319
9	52,598	HA Husen, Azamal	University of Gondar	Nanoscience & Nanotechnology	Rank 1,374
10	57,125	HC Hanlon, Charlotte	Addis Ababa University	Psychiatry	Rank 1,011
11	59,633	JC Johnson, Catherine O.	St. Paul‘s Hospital Millennium Medical College	General & Internal Medicine	Rank 697
12	60,928	KG Kassa, Getachew Mullu	Debre Markos University	General & Internal Medicine	Rank 703
13	72,779	DA Dadi, Abel Fekadu	University of Gondar	General & Internal Medicine	Rank 819
14	74,763	SM Sisay, Mekonnen	Haramaya University	Pharmacology & Pharmacy	Rank 471
15	99,226	HK Hirvonen, Kalle	International Food Policy Research Institute (IFPRI)	Development Studies	Rank 99
16	99,754	BS Biadgilign, Sibhatu	Public Health Research Consultant	Public Health	Rank 1,049
17	101,330	WA Worku, Alemayehu	Addis Ababa University	Public Health	Rank 1,072
18	106,760	Abate, Kalkidan Hassen	Jimma University	General & Internal Medicine	Rank 1,108
19	113,259	TT Teklehaymanot, Tilahun	Addis Ababa University	Medicinal & Biomolecular Chemistry	Rank 373
20	113,486	TT Tefera, Tadele	International Centre of Insect Physiology and Ecology (ICIPE)	Entomology	Rank 275
21	119,055	ON Ouedraogo, Nadia S.	United Nations Economic Commission for Africa, Addis Ababa	Energy	Rank 2,685
22	125,774	AT Ayenew, Tenalem	Addis Ababa University	Environmental Engineering	Rank 851
23	129,365	MK Muchie, Kindie Fentahun	Bahar Dar University	General & Internal Medicine	Rank 1,346
24	139,643	BH Birch, H. F.	Ethiopian Institute of Agricultural Research	Agronomy & Agriculture	Rank 951
25	142,233	KD Kim, Dong Gill	Hawassa University	Agronomy & Agriculture	Rank 968
26	168,605	GM Giday, Mirutse	Addis Ababa University	Medicinal & Biomolecular Chemistry	Rank 651
27	172,287	HA Hailu, Asrat	Addis Ababa University	Tropical Medicine	Rank 350
28	175,716	BB Biadgo, Belete	University of Gondar	General & Internal Medicine	Rank 1,786
29	181,301	MW Mekuria, Wolde	International Water Management Institute (IWMI)	Agronomy & Agriculture	Rank 1,248
30	184,166	AG Agegnehu, Getachew	International Crops Research Institute for the Semi-Arid Tropics (ICRISAT)	Agronomy & Agriculture	Rank 1,264
31	184,342	AA Aseffa, Abraham	Armauer Hansen Research Institute	Tropical Medicine	Rank 367
32	190,665	SP Selvakumar, P.	Adama Science and Technology University	Applied Physics	Rank 4,270
33	193,194	AS Abay, Solomon Mequanente	Addis Ababa University	General & Internal Medicine	Rank 1,948
34	196,143	Gizaw, Zemichael	University of Gondar	Toxicology	Rank 859
35	200,722	MM Melku, Mulugeta	University of Gondar	General & Internal Medicine	Rank 2,022
36	206,720	MA Misganaw, Awoke	Ethiopian Public Health Institute	General & Internal Medicine	Rank 2,082
37	209,914	KR Konwarh, Rocktotpal	Addis Ababa Science and Technology University	Biotechnology	Rank 1,013
38	214,827	HA Henok, Andualem	Mizan-Tepi University	General & Internal Medicine	Rank 2,154
39	221,764	DG Demoz, Gebre Teklemariam	Aksum University	General & Internal Medicine	Rank 2,219
40	227,348	AG Ameni, Gobena	Addis Ababa University	Microbiology	Rank 5,044
41	231,137	DW Deressa, Wakgari	Addis Ababa University	Tropical Medicine	Rank 480
42	232,590	YE Yimer, Ebrahim M.	Wollo University	General & Internal Medicine	Rank 2,308
43	263,706	MG Medhin, Girmay	Addis Ababa University	Tropical Medicine	Rank 551
44	288,816	MA Melese, Addisu	Bahar Dar University	General & Internal Medicine	Rank 2,769
45	289,567	AK Asres, Kaleab	Addis Ababa University	Medicinal & Biomolecular Chemistry	Rank 1,344
46	300,053	MT Manyazewal, Tsegahun	Addis Ababa University	General & Internal Medicine	Rank 2,868
47	302,261	AB Abera, Bayeh	Bahar Dar University	Tropical Medicine	Rank 634
48	304,925	MS Mereta, Seid Tiku	Jimma University	General & Internal Medicine	Rank 2,912
49	305,429	TS Tesfa, Sintayehu	Addis Ababa University	General Physics	Rank 1,581
50	308,483	EB Erko, Berhanu	Addis Ababa University	Tropical Medicine	Rank 653
51	312,121	YB Yakob, Bereket	The University of British Columbia	General & Internal Medicine	Rank 2,968
52	318,531	Edessa, Dumessa	Haramaya University	General & Internal Medicine	Rank 3,028
53	320,370	WF Wagnew, Fasil	Debre Markos University	General & Internal Medicine	Rank 3,043
54	338,296	MY Mekonnen, Yalemtsehay	Addis Ababa University	Medicinal & Biomolecular Chemistry	Rank 1,708
55	339,840	AS Asgedom, Solomon Weldegebreal	Mekelle University	General & Internal Medicine	Rank 3,204
56	349,244	AT Atey, Tesfay Mehari	Mekelle University	General & Internal Medicine	Rank 3,312
57	349,377	YE Yisma, E.	Addis Ababa University	General & Internal Medicine	Rank 3,313
58	365,441	MA Muche, Achenef Asmamaw	University of Gondar	General & Internal Medicine	Rank 3,444
59	369,434	BA Berhane, Adugnaw	Addis Ababa University	General & Internal Medicine	Rank 3,481
60	371,882	LM Liben, Misgan Legesse	Woldia University	General & Internal Medicine	Rank 3,506
61	374,846	WB Wieland, Barbara	International Livestock Research Institute Addis Ababa	Veterinary Sciences	Rank 1,050
62	418,115	BA Belachew, Abate Bekele	Arba Minch University	General & Internal Medicine	Rank 3,886
63	433,139	WF Weldegebreal, Fitsum	Haramaya University	General & Internal Medicine	Rank 3,999
64	452,043	KG Kibret, Getiye Dejenu	Debre Markos University	General & Internal Medicine	Rank 4,161
65	455,264	AZ Abebe, Zegeye	University of Gondar	General & Internal Medicine	Rank 4,192
66	465,581	TK Tuem, Kald Beshir	Mekelle University	General & Internal Medicine	Rank 4,283
67	472,417	GA Geleto, Ayele Bali	Haramaya University	General & Internal Medicine	Rank 4,346
68	472,929	AM Abebe, Molla	University of Gondar	General & Internal Medicine	Rank 4,349
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Single-year list2021

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Single-year list2021

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Frequently asked questions

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

68 scientists affiliated with Ethiopia are on the 2021 single-year list, and 13 are on the career-long list.

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

On the 2021 single-year list, Addis Ababa University has the most listed scientists from Ethiopia, with 18. It is followed by University of Gondar with 8.

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

On the single-year list, Ethiopia went from 28 scientists in 2020 to 68 in 2021, a change of +142.9%.

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.