Turkey's Top 2% Scientists 2021: Career-Long List

Turkey has 828 scientists on the 2021 career-long Top 2% list, up 34.9% from 614 in 2020. That places Turkey 29th in the world by number of listed scientists. İstanbul Teknik Üniversitesi has the most listed scientists (52), followed by Middle East Technical University (METU) (37).

Single Year

1,150

+293 (+34.2%) vs 2020

Career Data

828

+214 (+34.9%) vs 2020

World rank by count

#29

No change vs 2020

Institutes

179

+39 (+27.9%) vs 2020

Scientists in Turkey on the list, by year

The career-long count has grown 35% since 2020.

Career-long list, change on the previous year

2021+34.9%

2022+9.4%

2023+14.8%

2024+12.7%

2025+11.6%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	857		614
2021	1,150	+34.2%	828	+34.9%
2022	1,231	+7.0%	906	+9.4%
2023	1,395	+13.3%	1,040	+14.8%
2024	1,518	+8.8%	1,172	+12.7%
2025	1,564	+3.0%	1,308	+11.6%

Top 10 institutes in Turkey

By number of listed scientists

Career-long list2021

Show the list

1İstanbul Teknik Üniversitesi52
2Middle East Technical University (METU)37
3Hacettepe Üniversitesi33
4Koç Üniversitesi33
5Firat Üniversitesi28
6Bilkent Üniversitesi26
7Gazi Üniversitesi23
8Dokuz Eylül Üniversitesi19
9Erciyes Üniversitesi19
10Karadeniz Technical University19

All 828 scientists

Career-long list2021

The first 100 are free to browse.

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Rank in Turkey	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	2,717	CI Cakmak, Ismail	Sabancı Üniversitesi	Agronomy & Agriculture	Rank 7
2	3,344	SA Sari, Ahmet	Karadeniz Technical University	Energy	Rank 32
3	3,672	ŞA Şengör, A. M.C.	İstanbul Teknik Üniversitesi	Geochemistry & Geophysics	Rank 34
4	4,181	OE Ozbay, E.	Bilkent Üniversitesi	Applied Physics	Rank 119
5	4,825	Gİ Gülçin, İlhami	Atatürk Üniversitesi	Medicinal & Biomolecular Chemistry	Rank 12
6	4,990	AZ Aksu, Zümriye	Hacettepe Üniversitesi	Biotechnology	Rank 15
7	5,697	BD Baleanu, Dumitru	Çankaya Üniversitesi	Applied Mathematics	Rank 15
8	6,119	TM Turkyilmazoglu, Mustafa	Hacettepe Üniversitesi	Mechanical Engineering & Transports	Rank 33
9	7,219	SM Soylak, Mustafa	Erciyes Üniversitesi	Analytical Chemistry	Rank 31
10	8,297	HA Hepbasli, Arif	Yaşar Universitesi	Energy	Rank 73
11	8,650	BM Balat, Mustafa	Sila Science and Energy Unlimited Company	Energy	Rank 76
12	9,299	Ozturk, Ilhan	Çağ Üniversitesi	Energy	Rank 79
13	10,069	OA Okay, Aral I.	İstanbul Teknik Üniversitesi	Geochemistry & Geophysics	Rank 124
14	11,206	EÖ Erel, Özcan	Ankara Yildirim Beyazit University	Obstetrics & Reproductive Medicine	Rank 60
15	12,394	UB Ustun, Bedirhan	Koç Üniversitesi	Psychiatry	Rank 348
16	13,318	YF Yakuphanoglu, F.	Firat Üniversitesi	Applied Physics	Rank 308
17	13,793	AN Adsay, Nazmi Volkan	Koç Üniversitesi	Pathology	Rank 50
18	14,082	MA Mostafazadeh, Ali	Koç Üniversitesi	Mathematical Physics	Rank 11
19	14,640	CM Canakci, Mustafa	Kocaeli Üniversitesi	Energy	Rank 128
20	15,424	DI Doymaz, Ibrahim	Yildiz Technical University	Food Science	Rank 41
21	15,945	BK Baser, Kemal Husnu Can	Yakin Doğu Üniversitesi	Medicinal & Biomolecular Chemistry	Rank 49
22	16,188	ÖH Öztop, Hakan F.	Firat Üniversitesi	Mechanical Engineering & Transports	Rank 94
23	16,461	KK Kaygusuz, Kamil	Karadeniz Technical University	Energy	Rank 147
24	17,436	KO Karatepe, Osman M.	Eastern Mediterranean University	Sport, Leisure & Tourism	Rank 15
25	17,610	ŞZ Şen, Zekâi	Istanbul Medipol Universitesi	Environmental Engineering	Rank 58
26	17,664	KC Kahraman, Cengiz	İstanbul Teknik Üniversitesi	Artificial Intelligence & Image Processing	Rank 307
27	17,722	ÖM Özcan, Mehmet Musa	Selçuk Üniversitesi	Food Science	Rank 49
28	18,265	YY Yagci, Yusuf	İstanbul Teknik Üniversitesi	Polymers	Rank 167
29	18,354	OS Ozen, Seza	Hacettepe Üniversitesi	Arthritis & Rheumatology	Rank 148
30	19,359	OO Okay, Oguz	İstanbul Teknik Üniversitesi	Polymers	Rank 174
31	19,558	EM Emre, Murat	İstanbul Tıp Fakültesi	Neurology & Neurosurgery	Rank 1,576
32	20,073	DL de la Rosette, Jean	Istanbul Medipol Universitesi	Urology & Nephrology	Rank 218
33	20,538	BE Bora, Emre	Dokuz Eylül Üniversitesi	Psychiatry	Rank 529
34	21,255	BE Başar, Erol	Dokuz Eylül Üniversitesi Tip Fakültesi	Neurology & Neurosurgery	Rank 1,702
35	21,422	YH Yazici, H.	Academic Hospital	Arthritis & Rheumatology	Rank 164
36	21,501	AS Arik, Sabri	Istanbul University-Cerrahpasa	Artificial Intelligence & Image Processing	Rank 363
37	22,726	BA Bener, Abdulbari	İstanbul University-Cerrahpaşa Cerrahpaşa Faculty of Medicine	General & Internal Medicine	Rank 274
38	23,022	KM Kok, M. Versan	Middle East Technical University (METU)	Energy	Rank 213
39	23,310	YA Yıldız, Ali Rıza	Bursa Uludağ Üniversitesi	Materials	Rank 279
40	23,671	ÜE Übeyli, Elif Derya	TOBB University of Economics and Technology	Artificial Intelligence & Image Processing	Rank 391
41	24,525	KF Kargi, Fikret	Dokuz Eylül Üniversitesi	Biotechnology	Rank 58
42	24,908	JE Jeppesen, Erik	Middle East Technical University (METU)	Marine Biology & Hydrobiology	Rank 170
43	25,015	Tİ Topçu, İlker Bekir	Eskişehir Osmangazi Üniversitesi	Building & Construction	Rank 29
44	25,022	BE Budak, Erhan	Sabancı Üniversitesi	Industrial Engineering & Automation	Rank 184
45	25,288	BG Büyüközkan, Gülçin	Galatasaray Üniversitesi	Artificial Intelligence & Image Processing	Rank 417
46	25,653	AM Arica, Mehmet Yakup	Gazi Üniversitesi	Biotechnology	Rank 59
47	25,842	CB Carr, Brian I.	Dokuz Eylül Üniversitesi	Oncology & Carcinogenesis	Rank 1,189
48	25,845	BY Birol, Yucel	Dokuz Eylül Üniversitesi	Materials	Rank 306
49	28,088	ŞÇ Şekercioğlu, Çağan H.	Koç Üniversitesi	Ecology	Rank 480
50	28,319	SM Simsek, Mesut	Mustafa Kemal Üniversitesi	Materials	Rank 339
51	28,656	SA Sofiyev, A. H.	Süleyman Demirel Üniversitesi	Materials	Rank 342
52	28,769	BA Baykasoglu, Adil	Dokuz Eylül Üniversitesi	Artificial Intelligence & Image Processing	Rank 482
53	28,868	KD Karaboga, Dervis	Erciyes Üniversitesi	Artificial Intelligence & Image Processing	Rank 485
54	28,888	KM Kozak, Metin	Dokuz Eylül Üniversitesi	Sport, Leisure & Tourism	Rank 31
55	29,582	NM Nazıroğlu, Mustafa	Süleyman Demirel Üniversitesi	Neurology & Neurosurgery	Rank 2,254
56	30,779	Aydogdu, Metin	Trakya Üniversitesi	Materials	Rank 363
57	31,019	SN Sahiner, Nurettin	Çanakkale Onsekiz Mart Üniversitesi	Polymers	Rank 277
58	33,186	KM Kobya, Mehmet	Gebze Teknik Üniversitesi	Chemical Engineering	Rank 115
59	33,249	GA Gul, Ahmet	İstanbul Tıp Fakültesi	Arthritis & Rheumatology	Rank 234
60	34,590	ÖM Özacar, Mahmut	Sakarya Üniversitesi	Chemical Physics	Rank 783
61	34,642	DA Denizli, Adil	Hacettepe Üniversitesi	Polymers	Rank 315
62	34,687	OA Onat, Altan	İstanbul University-Cerrahpaşa Cerrahpaşa Faculty of Medicine	Cardiovascular System & Hematology	Rank 1,395
63	37,492	YA Yıldırım, Ahmet	Ege Üniversitesi	Numerical & Computational Mathematics	Rank 54
64	37,535	UM Uysal, Murat	Ozyegin University	Networking & Telecommunications	Rank 302
65	37,594	AR Apak, Reşat	Istanbul University-Cerrahpasa	Analytical Chemistry	Rank 254
66	37,868	BA Barka, Aykut	İstanbul Teknik Üniversitesi	Geochemistry & Geophysics	Rank 630
67	38,105	AE Arıkan, Erdal	Bilkent Üniversitesi	Networking & Telecommunications	Rank 304
68	39,109	MM Maskan, Medeni	Gaziantep Üniversitesi	Food Science	Rank 133
69	39,249	OI Orhan, Ilkay Erdogan	Gazi Üniversitesi	Medicinal & Biomolecular Chemistry	Rank 108
70	40,079	YE Yesilada, Erdem	Yeditepe University	Medicinal & Biomolecular Chemistry	Rank 113
71	40,210	BV Billat, V. L.	Cumhuriyet Üniversitesi	Sport Sciences	Rank 103
72	40,445	CS Ciraci, Salim	Bilkent Üniversitesi	Applied Physics	Rank 1,018
73	40,517	GC Gokceoglu, Candan	Hacettepe Üniversitesi	Geological & Geomatics Engineering	Rank 157
74	41,031	BE Bozkurt, Erdin	Middle East Technical University (METU)	Geochemistry & Geophysics	Rank 697
75	43,296	Karapinar, Erdal	Çankaya Üniversitesi	Applied Mathematics	Rank 89
76	44,335	AE Akpinar, Ebru Kavak	Firat Üniversitesi	Energy	Rank 470
77	45,445	ES Ercisli, Sezai	Atatürk Üniversitesi	Plant Biology & Botany	Rank 565
78	45,481	SD Sponza, Delia Teresa	Dokuz Eylül Üniversitesi	Biotechnology	Rank 117
79	45,824	DH Direskeneli, Haner	Marmara Üniversitesi Tip Fakültesi	Arthritis & Rheumatology	Rank 325
80	46,199	ÖZ Öniş, Ziya	Koç Üniversitesi	International Relations	Rank 29
81	46,393	AB Akay, Bahriye	Erciyes Üniversitesi	Artificial Intelligence & Image Processing	Rank 768
82	46,589	EH Erbil, Husnu Yildirim	Gebze Teknik Üniversitesi	Chemical Physics	Rank 1,049
83	46,817	ÖS Özkar, Saim	Middle East Technical University (METU)	Inorganic & Nuclear Chemistry	Rank 320
84	46,992	HM Haberal, Mehmet	Başkent Üniversitesi	Surgery	Rank 396
85	47,729	KM Kanter, Mehmet	Trakya Üniversitesi	Toxicology	Rank 205
86	48,094	AH Arslan, Huseyin	Istanbul Medipol Universitesi	Networking & Telecommunications	Rank 397
87	48,603	GV Gökmen, Vural	Hacettepe Üniversitesi	Food Science	Rank 176
88	49,064	YI Yılmaz, Işık	Cumhuriyet Üniversitesi	Geological & Geomatics Engineering	Rank 182
89	49,954	YY Yılmaz, Yücel	İstanbul Teknik Üniversitesi	Geochemistry & Geophysics	Rank 856
90	50,681	EN Erk, Nevin	Ankara Üniversitesi	Analytical Chemistry	Rank 335
91	50,829	PE Piskin, Erhan	Hacettepe Üniversitesi	Biomedical Engineering	Rank 221
92	50,881	KS Kahraman, Sair	Hacettepe Üniversitesi	Geological & Geomatics Engineering	Rank 191
93	51,282	SV Singh, Vimal	Atilim University	Electrical & Electronic Engineering	Rank 125
94	51,586	EÖ Ergönül, Önder	Koç Üniversitesi	Microbiology	Rank 1,289
95	52,498	BO Baskurt, Oguz Kerim	Koç Üniversitesi	Cardiovascular System & Hematology	Rank 1,944
96	55,340	SO Sezer, Orhan	Memorial Sisli Hastanesi	Immunology	Rank 1,691
97	55,448	ŞR Şener, Rıfat Nuri	Ege Üniversitesi	Nuclear Medicine & Medical Imaging	Rank 427
98	56,506	AI Arslan-Alaton, Idil	İstanbul Teknik Üniversitesi	Environmental Sciences	Rank 286
99	57,023	BG Bayramoglu, Gulay	Gazi Üniversitesi	Biotechnology	Rank 159
100	57,747	CA Celik, Ali Naci	Bolu Abant İzzet Baysal Üniversitesi	Energy	Rank 625
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You are seeing the first 100. 728 more are on the 2021 career-long list.

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Countries with a similar count

Career-long list2021

Singapore876 scientistsin 2021

Russia847 scientistsin 2021

Greece829 scientistsin 2021

Brazil812 scientistsin 2021

South Africa669 scientistsin 2021

Ireland661 scientistsin 2021

Explore other countries

Career-long list2021

Israel1,870 scientistsin 2021

Saudi Arabia443 scientistsin 2021

United Arab Emirates177 scientistsin 2021

Qatar100 scientistsin 2021

Cyprus64 scientistsin 2021

Kuwait61 scientistsin 2021

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Frequently asked questions

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

1,150 scientists affiliated with Turkey are on the 2021 single-year list, and 828 are on the career-long list.

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

On the 2021 career-long list, İstanbul Teknik Üniversitesi has the most listed scientists from Turkey, with 52. It is followed by Middle East Technical University (METU) with 37.

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

On the career-long list, Turkey went from 614 scientists in 2020 to 828 in 2021, a change of +34.9%.

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.