Turkey's Top 2% Scientists 2021

Turkey has 1,150 scientists on the 2021 single-year Top 2% list, up 34.2% from 857 in 2020. That places Turkey 23rd in the world by number of listed scientists, up 2 places. Istanbul Teknik Üniversitesi has the most listed scientists (50), followed by Firat Üniversitesi (39).

Single Year

1,150

+293 (+34.2%) vs 2020

Career Data

828

+214 (+34.9%) vs 2020

World rank by count

#23

up 2 places vs 2020

Institutes

208

+28 (+15.6%) vs 2020

Scientists in Turkey on the list, by year

The single-year count has grown 34% since 2020.

Single-year list, change on the previous year

2021+34.2%

2022+7.0%

2023+13.3%

2024+8.8%

2025+3.0%

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

Single-year list2021

Show the list

1Istanbul Teknik Üniversitesi50
2Firat Üniversitesi39
3Koç Üniversitesi38
4Hacettepe Üniversitesi35
5Middle East Technical University (METU)34
6Karadeniz Technical University29
7Erciyes Üniversitesi28
8Gazi Üniversitesi28
9Bilkent Üniversitesi26
10Yildiz Technical University25

All 1,150 scientists

Single-year 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	421	Ozturk, Ilhan	Çag Üniversitesi	Energy	Rank 9
2	446	BD Baleanu, Dumitru	Çankaya Üniversitesi	Applied Mathematics	Rank 3
3	620	TM Turkyilmazoglu, Mustafa	Hacettepe Üniversitesi	Mechanical Engineering & Transports	Rank 8
4	661	GI Gülçin, Ilhami	Atatürk Üniversitesi	Medicinal & Biomolecular Chemistry	Rank 3
5	786	CI Cakmak, Ismail	Sabanci Üniversitesi	Agronomy & Agriculture	Rank 6
6	1,067	SA Sari, Ahmet	Karadeniz Technical University	Energy	Rank 27
7	1,572	KO Karatepe, Osman M.	Eastern Mediterranean University	Sport, Leisure & Tourism	Rank 7
8	2,391	SA Sengör, A. M.C.	Istanbul Teknik Üniversitesi	Geochemistry & Geophysics	Rank 35
9	3,221	BE Bora, Emre	Dokuz Eylül Üniversitesi	Psychiatry	Rank 84
10	3,232	ÖH Öztop, Hakan F.	Firat Üniversitesi	Mechanical Engineering & Transports	Rank 40
11	3,920	SM Simsek, Mesut	Mustafa Kemal Üniversitesi	Materials	Rank 69
12	4,263	BM Balat, Mustafa	Sila Science and Energy Unlimited Company	Energy	Rank 87
13	4,437	Al-Turjman, Fadi	Yakin Dogu Üniversitesi	Networking & Telecommunications	Rank 33
14	4,961	KC Kahraman, Cengiz	Istanbul Teknik Üniversitesi	Artificial Intelligence & Image Processing	Rank 145
15	5,149	DI Doymaz, Ibrahim	Yildiz Technical University	Food Science	Rank 26
16	5,186	YA Yildiz, Ali Riza	Bursa Uludag Üniversitesi	Materials	Rank 86
17	5,235	DE Dogan, Eyup	Abdullah Gul Universitesi	Energy	Rank 102
18	5,254	EÖ Erel, Özcan	Ankara Yildirim Beyazit University	Obstetrics & Reproductive Medicine	Rank 16
19	5,529	BE Basar, Ertugrul	Koç Üniversitesi	Networking & Telecommunications	Rank 41
20	5,884	AZ Aksu, Zümriye	Hacettepe Üniversitesi	Biotechnology	Rank 18
21	6,248	HA Hepbasli, Arif	Yasar Universitesi	Energy	Rank 126
22	6,317	YM Yola, Mehmet Lütfi	Hasan Kalyoncu University	Energy	Rank 127
23	6,319	BG Büyüközkan, Gülçin	Galatasaray Üniversitesi	Artificial Intelligence & Image Processing	Rank 176
24	6,463	YF Yakuphanoglu, F.	Firat Üniversitesi	Applied Physics	Rank 132
25	6,903	CM Canakci, Mustafa	Kocaeli Üniversitesi	Energy	Rank 141
26	7,096	SÇ Sekercioglu, Çagan H.	Koç Üniversitesi	Ecology	Rank 193
27	7,119	SZ Sen, Zekâi	Istanbul Medipol Universitesi	Environmental Engineering	Rank 38
28	7,323	SF Selimefendigil, Fatih	Celal Bayar Üniversitesi	Mechanical Engineering & Transports	Rank 74
29	7,352	OE Ozbay, E.	Bilkent Üniversitesi	Applied Physics	Rank 148
30	7,452	SA Sofiyev, A. H.	Süleyman Demirel Üniversitesi	Materials	Rank 117
31	7,773	TI Topçu, Ilker Bekir	Eskisehir Osmangazi Üniversitesi	Building & Construction	Rank 38
32	8,438	SM Soylak, Mustafa	Erciyes Üniversitesi	Analytical Chemistry	Rank 32
33	8,486	KS Katircioglu, Salih	Isletme ve Ekonomi Fakültesi	Economics	Rank 152
34	8,643	BH Baskonus, Haci Mehmet	Harran Üniversitesi	General Physics	Rank 50
35	8,669	KD Karaboga, Dervis	Erciyes Üniversitesi	Artificial Intelligence & Image Processing	Rank 244
36	9,415	ÖM Özcan, Mehmet Musa	Selçuk Üniversitesi	Food Science	Rank 51
37	9,509	SN Sahiner, Nurettin	Çanakkale Onsekiz Mart Üniversitesi	Polymers	Rank 66
38	9,513	Aydogdu, Metin	Trakya Üniversitesi	Materials	Rank 161
39	9,604	KM Kobya, Mehmet	Gebze Teknik Üniversitesi	Chemical Engineering	Rank 53
40	9,669	OS Ozen, Seza	Hacettepe Üniversitesi	Arthritis & Rheumatology	Rank 62
41	9,894	Karapinar, Erdal	Çankaya Üniversitesi	Applied Mathematics	Rank 33
42	10,070	AB Akay, Bahriye	Erciyes Üniversitesi	Artificial Intelligence & Image Processing	Rank 280
43	10,387	BA Baykasoglu, Adil	Dokuz Eylül Üniversitesi	Artificial Intelligence & Image Processing	Rank 285
44	10,648	AR Apak, Resat	Istanbul University-Cerrahpasa	Analytical Chemistry	Rank 42
45	10,707	KM Kozak, Metin	Dokuz Eylül Üniversitesi	Sport, Leisure & Tourism	Rank 38
46	11,535	OA Okay, Aral I.	Istanbul Teknik Üniversitesi	Geochemistry & Geophysics	Rank 201
47	11,653	BE Budak, Erhan	Sabanci Üniversitesi	Industrial Engineering & Automation	Rank 115
48	11,657	OI Orhan, Ilkay Erdogan	Gazi Üniversitesi	Medicinal & Biomolecular Chemistry	Rank 28
49	11,694	EA Engin, Atilla	Gazi University, Faculty of Medicine	Toxicology	Rank 49
50	12,022	YY Yagci, Yusuf	Istanbul Teknik Üniversitesi	Polymers	Rank 85
51	12,323	SM Sahmaran, Mustafa	Hacettepe Üniversitesi	Building & Construction	Rank 66
52	12,362	CM Cetin, Mehmet	Kastamonu University	Environmental Sciences	Rank 131
53	12,440	EM Esen, Mehmet	Firat Üniversitesi	Energy	Rank 254
54	12,497	AC Atis, Cengiz Duran	Erciyes Üniversitesi	Building & Construction	Rank 68
55	12,884	BT Baran, Talat	Aksaray Üniversitesi	Polymers	Rank 94
56	12,996	GC Gokceoglu, Candan	Hacettepe Üniversitesi	Geological & Geomatics Engineering	Rank 108
57	13,024	AS Akbas, Seref Doguscan	Bursa Teknik Üniversitesi	Civil Engineering	Rank 51
58	13,356	YI Yilmaz, Isik	Cumhuriyet Üniversitesi	Geological & Geomatics Engineering	Rank 109
59	13,483	JE Jeppesen, Erik	Middle East Technical University (METU)	Marine Biology & Hydrobiology	Rank 74
60	13,512	KK Kaygusuz, Kamil	Karadeniz Technical University	Energy	Rank 272
61	13,876	UB Ustun, Bedirhan	Koç Üniversitesi	Psychiatry	Rank 316
62	14,518	MA Mostafazadeh, Ali	Koç Üniversitesi	Mathematical Physics	Rank 11
63	14,950	GE Güneyisi, E.	Gaziantep Üniversitesi	Building & Construction	Rank 79
64	14,988	AE Akpinar, Ebru Kavak	Firat Üniversitesi	Energy	Rank 297
65	15,379	AE Arikan, Erdal	Bilkent Üniversitesi	Networking & Telecommunications	Rank 113
66	15,567	BE Basar, Erol	Dokuz Eylül Üniversitesi Tip Fakültesi	Neurology & Neurosurgery	Rank 918
67	15,792	KS Kahraman, Sair	Hacettepe Üniversitesi	Geological & Geomatics Engineering	Rank 130
68	15,934	ÖM Özacar, Mahmut	Sakarya Üniversitesi	Chemical Physics	Rank 311
69	16,235	AN Adsay, Nazmi Volkan	Koç Üniversitesi	Pathology	Rank 32
70	16,290	ES Eryilmaz, Serkan	Atilim University	Statistics & Probability	Rank 114
71	16,313	GG Gozgor, Giray	Istanbul Medeniyet University	Economics	Rank 262
72	16,442	KM Kok, M. Versan	Middle East Technical University (METU)	Energy	Rank 332
73	16,474	Atmanli, Alpaslan	Milli Savunma Üniversitesi	Energy	Rank 333
74	16,882	BK Baser, Kemal Husnu Can	Yakin Dogu Üniversitesi	Medicinal & Biomolecular Chemistry	Rank 44
75	16,934	YO Yildirim, Ozal	Firat Üniversitesi	Artificial Intelligence & Image Processing	Rank 441
76	17,192	BY Birol, Yucel	Dokuz Eylül Üniversitesi	Materials	Rank 309
77	17,782	OO Okay, Oguz	Istanbul Teknik Üniversitesi	Polymers	Rank 145
78	17,890	ÜE Übeyli, Elif Derya	TOBB University of Economics and Technology	Artificial Intelligence & Image Processing	Rank 463
79	17,902	CE Cuce, Erdem	Recep Tayyip Erdogan University	Energy	Rank 359
80	18,201	SH Sahin, Hasan	Izmir Yüksek Teknoloji Enstitüsü	Applied Physics	Rank 375
81	18,287	PK Polat, Kemal	Bolu Abant Izzet Baysal Üniversitesi	Artificial Intelligence & Image Processing	Rank 471
82	18,504	EH Erbil, Husnu Yildirim	Gebze Teknik Üniversitesi	Chemical Physics	Rank 343
83	18,528	NM Nazıroğlu, Mustafa	Süleyman Demirel Üniversitesi	Neurology & Neurosurgery	Rank 1,083
84	19,221	GV Gökmen, Vural	Hacettepe Üniversitesi	Food Science	Rank 120
85	19,705	OA Onan, Aytug	Izmir Kâtip Çelebi Üniversitesi	Artificial Intelligence & Image Processing	Rank 509
86	20,043	MM Maskan, Medeni	Gaziantep Üniversitesi	Food Science	Rank 123
87	20,199	GA Gul, Ahmet	Istanbul Tip Fakültesi	Arthritis & Rheumatology	Rank 128
88	20,277	SR Solmaz, Ramazan	Bingöl Üniversitesi	Energy	Rank 407
89	20,348	EM Emre, Murat	Istanbul Tip Fakültesi	Neurology & Neurosurgery	Rank 1,182
90	20,517	ES Ercisli, Sezai	Atatürk Üniversitesi	Plant Biology & Botany	Rank 260
91	20,844	BA Bener, Abdulbari	Istanbul University-Cerrahpasa Cerrahpasa Faculty of Medicine	General & Internal Medicine	Rank 261
92	20,884	AA Akcil, Ata	Süleyman Demirel Üniversitesi	Mining & Metallurgy	Rank 7
93	20,969	DM Destek, Mehmet Akif	Gaziantep Üniversitesi	Energy	Rank 426
94	21,595	Akgül, Ali	Siirt Üniversitesi	Applied Mathematics	Rank 70
95	22,842	ÖS Özkar, Saim	Middle East Technical University (METU)	Inorganic & Nuclear Chemistry	Rank 83
96	22,919	KC Kaya, Cengiz	Ondokuz Mayis University, Medical School	Agronomy & Agriculture	Rank 137
97	22,988	AB Akgöz, Bekir	Akdeniz Üniversitesi	Mechanical Engineering & Transports	Rank 228
98	23,244	AY Al-Douri, Y.	Bahçesehir Üniversitesi	Applied Physics	Rank 485
99	23,469	EH Esen, Hikmet	Firat Üniversitesi	Energy	Rank 488
100	23,577	AA Aslan, Alper	Erciyes Üniversitesi	Energy	Rank 495
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You are seeing the first 100. 1,050 more are on the 2021 single-year list.

Ranks 101 to 1,150The whole list, not only the top 100.

Every year since 2020Single Year and Career Data.

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Countries with a similar count

Single-year list2021

Taiwan1,358 scientistsin 2021

Hong Kong1,227 scientistsin 2021

Austria1,219 scientistsin 2021

Brazil1,132 scientistsin 2021

Singapore1,130 scientistsin 2021

Norway1,100 scientistsin 2021

Explore other countries

Single-year list2021

Israel1,514 scientistsin 2021

Saudi Arabia870 scientistsin 2021

United Arab Emirates274 scientistsin 2021

Qatar163 scientistsin 2021

Jordan96 scientistsin 2021

Cyprus85 scientistsin 2021

All countries on the world map

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 single-year list, Istanbul Teknik Üniversitesi has the most listed scientists from Turkey, with 50. It is followed by Firat Üniversitesi with 39.

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

On the single-year list, Turkey went from 857 scientists in 2020 to 1,150 in 2021, a change of +34.2%.

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.