Egypt's Top 2% Scientists 2021

Egypt has 605 scientists on the 2021 single-year Top 2% list, up 52.4% from 397 in 2020. That places Egypt 36th in the world by number of listed scientists. National Research Centre has the most listed scientists (72), followed by Zagazig University (42).

Single Year

605

+208 (+52.4%) vs 2020

Career Data

327

+108 (+49.3%) vs 2020

World rank by count

#36

No change vs 2020

Institutes

+19 (+30.6%) vs 2020

Scientists in Egypt on the list, by year

The single-year count has grown 52% since 2020.

Single-year list, change on the previous year

2021+52.4%

2022+12.1%

2023+20.1%

2024+22.9%

2025+10.6%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	397		219
2021	605	+52.4%	327	+49.3%
2022	678	+12.1%	361	+10.4%
2023	814	+20.1%	416	+15.2%
2024	1,000	+22.9%	495	+19.0%
2025	1,106	+10.6%	579	+17.0%

Top 10 institutes in Egypt

By number of listed scientists

Single-year list2021

Show the list

All 605 scientists

Single-year list2021

The first 100 are free to browse.

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Rank in Egypt	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	1,845	KA Kabeel, Abd Elnaby	Tanta University	Energy	Rank 40
2	4,160	EM Elhoseny, Mohamed	Mansoura University	Artificial Intelligence & Image Processing	Rank 125
3	4,976	AI Abbas, Ibrahim	Sohag University	Mechanical Engineering & Transports	Rank 52
4	5,173	Khaled, Khaled F.	Ain Shams University	Energy	Rank 100
5	6,410	OM Osman, M. S.	Cairo University Faculty of Science	Optics	Rank 36
6	7,483	HH Hasanien, Hany M.	Future University in Egypt	Energy	Rank 150
7	7,623	El-Fergany, Attia A.	Zagazig University	Energy	Rank 155
8	7,891	HA Hassanien, Aboul Ella	Cairo University	Artificial Intelligence & Image Processing	Rank 221
9	8,456	RA Razek, Ahmed Abdel	Mansoura University, Faculty of Medicine	Nuclear Medicine & Medical Imaging	Rank 15
10	9,801	AM Abdel-Daim, Mohamed M.	Suez Canal University	Environmental Sciences	Rank 103
11	10,253	BA Bhrawy, Ali H.	Beni-Suef University	Applied Mathematics	Rank 36
12	10,327	EH Emam, Hossam E.	National Research Centre	Polymers	Rank 71
13	10,512	VD Valla, Dominique	Theodor Bilharz Research Institute	Gastroenterology & Hepatology	Rank 116
14	10,958	Ramadan, Mohamed Fawzy	Zagazig University	Food Science	Rank 61
15	11,755	AM Abdel-Basset, Mohamed	Zagazig University	Artificial Intelligence & Image Processing	Rank 321
16	13,019	DM Deyab, M. A.	Egyptian Petroleum Research Institute	Chemical Physics	Rank 249
17	14,730	AE Abd Elaziz, Mohamed	Zagazig University	Artificial Intelligence & Image Processing	Rank 398
18	15,245	EA El-Sebaii, A. A.	Tanta University	Energy	Rank 300
19	15,304	ER El-Mallawany, R.	Menoufia University	Applied Physics	Rank 311
20	15,343	MA Mahmoud, Ayman M.	Beni-Suef University	Oncology & Carcinogenesis	Rank 562
21	15,921	YH Youssef, Hamdy M.	Alexandria University	Mechanical Engineering & Transports	Rank 155
22	15,929	EA Elfiky, Abdo A.	Cairo University	Virology	Rank 75
23	16,684	RA Rashad, A. M.	Aswan University, Faculty of Science	Mechanical Engineering & Transports	Rank 171
24	17,312	AM Abdel-Tawwab, Mohsen	Agricultural Research Center	Fisheries	Rank 30
25	17,397	IA Ismail, Adel A.	Central Metallurgical Research and Development Institute, Cairo	Physical Chemistry	Rank 93
26	17,440	AE Ali, Ehab S.	Zagazig University	Energy	Rank 352
27	17,752	AM Abdel Moneim, Ahmed E.	Helwan University	Toxicology	Rank 75
28	18,222	OM Othman, Mohamed I.A.	Zagazig University	Mechanical Engineering & Transports	Rank 189
29	18,723	EK Elwakeel, Khalid Z.	Port Said University	Chemical Engineering	Rank 108
30	18,958	AH Abdelhamid, Hani Nasser	Assiut University	Analytical Chemistry	Rank 86
31	20,518	EA Elzoghby, Ahmed O.	Alexandria University	Pharmacology & Pharmacy	Rank 99
32	21,684	BN Barakat, Nasser A.M.	Minia University	Materials	Rank 383
33	21,824	ZM Zaky, Mahmoud A.	National Research Centre	Numerical & Computational Mathematics	Rank 46
34	22,487	Radwan, Ahmed G.	Nile University	Electrical & Electronic Engineering	Rank 68
35	22,709	AA Abdel-Khalek, Ahmed M.	Alexandria University	Social Psychology	Rank 365
36	23,700	YA Youssef, Ahmed M.	National Research Centre	Polymers	Rank 207
37	25,891	MA Menazea, A. A.	National Research Centre	Materials	Rank 466
38	26,057	Hassanien, Ahmed Saeed	Benha University	Applied Physics	Rank 534
39	26,708	IM Ibrahim, M. Mohsen	Kasr El-Aini School of Medicine	Cardiovascular System & Hematology	Rank 818
40	27,973	AH Aboul-Enein, H. Y.	National Research Centre	Analytical Chemistry	Rank 141
41	28,435	Sobhy, Mohammed	Kafrelsheikh University	Mechanical Engineering & Transports	Rank 276
42	28,626	FA Fathy, Ahmed	Zagazig University	Energy	Rank 598
43	30,103	MM Mahmoud, Mohamed E.	Alexandria University	Chemical Engineering	Rank 186
44	30,595	Abd El-Lateef, Hany M.	Sohag University	Materials	Rank 553
45	30,944	RM Rady, Mostafa M.	Fayoum University	Plant Biology & Botany	Rank 411
46	30,963	NS Nada, S. A.	Benha University	Mechanical Engineering & Transports	Rank 302
47	31,961	HK Hamed, Khaled H.	Cairo University, Faculty of Engineering	Environmental Engineering	Rank 184
48	31,998	FM Farag, Mohamed A.	American University in Cairo	Food Science	Rank 212
49	32,012	MK Mekheimer, Kh S.	Al-Azhar University	Mechanical Engineering & Transports	Rank 312
50	32,207	EA El-Sayed, Abdel Fattah M.	Alexandria University	Fisheries	Rank 61
51	32,451	SM Shebl, Magdy	Ain Shams University	Inorganic & Nuclear Chemistry	Rank 131
52	32,556	EM El-Nahass, M. M.	Ain Shams University	Applied Physics	Rank 658
53	32,635	FA Fathy, A.	Zagazig University	Materials	Rank 596
54	32,746	MM Marzouk, Mohamed	Cairo University	Building & Construction	Rank 168
55	34,810	AA Abdelghany, A. M.	National Research Centre	Polymers	Rank 307
56	35,795	HH Hassan, Hamdy	Egypt-Japan University of Science and Technology	Energy	Rank 762
57	36,694	YM Youssef, Moustafa	Alexandria University	Networking & Telecommunications	Rank 276
58	36,710	YM Yousef, Mokhtar Ibrahim	Institute of Graduate Studies and Research	Toxicology	Rank 136
59	37,747	AA Al-Sabagh, Ahmed M.	Egyptian Petroleum Research Institute	Energy	Rank 791
60	37,932	AA Atiya, Amir F.	Cairo University, Faculty of Engineering	Artificial Intelligence & Image Processing	Rank 909
61	38,942	AM Abdel-Aty, Mahmoud	Sohag University	General Physics	Rank 218
62	39,261	HM Hassanein, M. F.	Tanta University	Civil Engineering	Rank 142
63	39,558	SY Saddeek, Y.	Al-Azhar University	Applied Physics	Rank 795
64	40,523	MG Mohamed, Gehad G.	Cairo University Faculty of Science	Chemical Physics	Rank 662
65	40,612	HM Hegazy, M. A.	Egyptian Petroleum Research Institute	Chemical Physics	Rank 664
66	40,633	SH Sherief, Hany H.	Alexandria University	Mechanical Engineering & Transports	Rank 394
67	40,668	AA Abdelaziz, Almoataz Y.	Future University in Egypt	Energy	Rank 849
68	40,799	HS Hamed, Sherifa	Assiut University	Neurology & Neurosurgery	Rank 2,265
69	40,878	HM Hussein, Mahmoud R.A.	Hospital Universitario de Assuit	Oncology & Carcinogenesis	Rank 1,477
70	41,034	ES Emam, Samir	Zagazig University	Mechanical Engineering & Transports	Rank 398
71	41,457	MM Mohamed, Mohamed H.	Helwan University	Energy	Rank 866
72	41,562	AN Allam, Nageh K.	American University in Cairo	Energy	Rank 868
73	42,022	DE Doha, Eid H.	Cairo University Faculty of Science	Numerical & Computational Mathematics	Rank 93
74	42,310	RM Rashad, M. M.	Central Metallurgical Research and Development Institute, Cairo	Applied Physics	Rank 842
75	44,924	AR Aziz, Ramy K.	Cairo University Faculty of Pharmacy	Microbiology	Rank 1,025
76	45,173	HF Harraz, Farid A.	Central Metallurgical Research and Development Institute, Cairo	Applied Physics	Rank 902
77	45,237	SM Salem, Mohamed L.	Tanta University	Immunology	Rank 1,057
78	46,231	FH Fath, Hassan E.S.	Egypt-Japan University of Science and Technology	Chemical Engineering	Rank 289
79	46,361	FA Fouda, Abd El Aziz S.	Mansoura University	Energy	Rank 963
80	47,442	HM Heikal, Mohamed	Benha University	Building & Construction	Rank 254
81	48,674	HK Hosny, Khalid M.	Zagazig University	Artificial Intelligence & Image Processing	Rank 1,133
82	48,701	ES Elsaka, Shaymaa	Mansoura University	Dentistry	Rank 215
83	49,591	Ahmed, Enas M.	National Research Centre	Materials	Rank 903
84	49,752	GE Gomaa, Eman Zakaria	Ain Shams University	Microbiology	Rank 1,133
85	50,879	KE Kenawy, El Refaie	Tanta University	Polymers	Rank 460
86	51,002	SA Soliman, Ahmed M.	Cairo University	Electrical & Electronic Engineering	Rank 139
87	51,058	ZA Zaki, Ali M.	Ain Shams University, Faculty of Medicine	Tropical Medicine	Rank 72
88	51,120	NA Nemr, Ahmed El	National Institute of Oceanography and Fisheries	Environmental Sciences	Rank 615
89	51,311	ES El Sayed Zaki, Maysaa	Mansoura University, Faculty of Medicine	Microbiology	Rank 1,170
90	53,453	KE Kamoun, Elbadawy A.	City of Scientific Research and Technological Applications	Polymers	Rank 490
91	53,748	NN Negm, Nabel A.	Egyptian Petroleum Research Institute	Chemical Physics	Rank 855
92	54,028	MA Makhlouf, Abdel Salam Hamdy	Central Metallurgical Research and Development Institute, Cairo	Energy	Rank 1,136
93	54,079	BW Bosworth, William	Apache Egypt Companies	Geochemistry & Geophysics	Rank 1,015
94	54,614	EA El-Latif, Ahmed A.Abd	Menoufia University	Artificial Intelligence & Image Processing	Rank 1,263
95	54,815	TS Tawfik, Salah M.	Egyptian Petroleum Research Institute	Chemical Physics	Rank 870
96	55,224	EF El-Demerdash, Fatma M.	Institute of Graduate Studies and Research	Toxicology	Rank 214
97	55,250	AE Abdel-Halim, E. S.	National Research Centre	Polymers	Rank 511
98	55,552	DM Dawood, Mahmoud A.O.	Kafrelsheikh University	Fisheries	Rank 118
99	55,718	ZE Zayed, Elsayed M.E.	Zagazig University	Optics	Rank 236
100	57,079	FA Fekry, A. M.	Cairo University Faculty of Science	Energy	Rank 1,201
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Countries with a similar count

Single-year list2021

South Africa752 scientistsin 2021

Ireland710 scientistsin 2021

Portugal703 scientistsin 2021

Malaysia549 scientistsin 2021

Czech Republic458 scientistsin 2021

Pakistan380 scientistsin 2021

Explore other countries

Single-year list2021

Tunisia52 scientistsin 2021

Algeria47 scientistsin 2021

Morocco45 scientistsin 2021

Nigeria121 scientistsin 2021

Ethiopia68 scientistsin 2021

Kenya39 scientistsin 2021

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Frequently asked questions

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

605 scientists affiliated with Egypt are on the 2021 single-year list, and 327 are on the career-long list.

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

On the 2021 single-year list, National Research Centre has the most listed scientists from Egypt, with 72. It is followed by Zagazig University with 42.

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

On the single-year list, Egypt went from 397 scientists in 2020 to 605 in 2021, a change of +52.4%.

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.