Portugal's Top 2% Scientists 2026: Career-Long List

Portugal has 787 scientists on the 2026 career-long Top 2% list, up 10.7% from 711 in 2025. That places Portugal 35th in the world by number of listed scientists. Universidade do Porto has the most listed scientists (115), followed by Instituto Superior Técnico (71).

Single Year

1,060

+76 (+7.7%) vs 2025

Career Data

787

+76 (+10.7%) vs 2025

World rank by count

#35

No change vs 2025

Institutes

158

+21 (+15.3%) vs 2025

Scientists in Portugal on the list, by year

The career-long count has more than doubled since 2020.

Career-long list, change on the previous year

2021+24.9%

2022+7.1%

2023+11.1%

2024+10.7%

2025+12.3%

2026+10.7%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	552		385
2021	703	+27.4%	481	+24.9%
2022	770	+9.5%	515	+7.1%
2023	791	+2.7%	572	+11.1%
2024	889	+12.4%	633	+10.7%
2025	984	+10.7%	711	+12.3%
2026	1,060	+7.7%	787	+10.7%

Top 10 institutes in Portugal

By number of listed scientists

Career-long list2026

Show the list

All 787 scientists

Career-long list2026

Showing the 2026 career-long list. Looking for single-year rankings? See the single-year list

The first 100 are free to browse.

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Rank in Portugal	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	2,726	PJ Pereira, José Carlos Fernandes	Instituto Superior Técnico	Fluids & Plasmas	Rank 20
2	2,828	DJ Davim, J. P.	Universidade de Aveiro	Materials	Rank 34
3	3,569	GS Guedes Soares, C.	Instituto Superior Técnico	Civil Engineering	Rank 3
4	3,990	MJ Mano, João F.	CICECO – Instituto de Materiais de Aveiro	Biomedical Engineering	Rank 18
5	4,491	BM Búchler, Markus Wolfgang	Champalimaud Foundation	Surgery	Rank 17
6	4,592	BC Barbas, Carlos F.	Faculdade de Farmácia da Universidade de Lisboa	Organic Chemistry	Rank 114
7	4,906	LA Liddle, Andrew R.	Faculdade de Ciências da Universidade de Lisboa	Nuclear & Particle Physics	Rank 61
8	6,552	NJ Neoptolemos, John P.	Champalimaud Foundation	Surgery	Rank 31
9	7,420	FJ Ferro, José Manuel	Centro Hospitalar de Lisboa Norte	Neurology & Neurosurgery	Rank 607
10	7,523	MT Machado Tenreiro, J. A.	Instituto Superior de Engenharia do Porto	Artificial Intelligence & Image Processing	Rank 183
11	8,553	JM Jose M., Bioucas-Dias Manuel	Instituto Superior Técnico	Geological & Geomatics Engineering	Rank 28
12	10,392	PC Pereira Coutinho, João Araújo	CICECO – Instituto de Materiais de Aveiro	Chemical Engineering	Rank 36
13	11,751	MM Montemor, M. F.	Centro de Química Estrutural	Energy	Rank 130
14	11,956	FM Figueiredo, Mário A.T.	Instituto Superior Técnico	Artificial Intelligence & Image Processing	Rank 271
15	12,172	BC Barros, Carlos Pestana	Universidade de Lisboa	Economics	Rank 116
16	12,448	SA Studart, André R.	Universidade da Beira Interior	Materials	Rank 154
17	12,539	FJ Figueiredo, José Luís	Universidade do Porto	Physical Chemistry	Rank 52
18	13,010	CR Cunha, Rodrigo A.	University of Coimbra, Center for Neuroscience and Cell Biology	Neurology & Neurosurgery	Rank 1,010
19	13,051	CM Chaves, M. Manuela	Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa	Plant Biology & Botany	Rank 131
20	13,310	LP Lourenço, Paulo B.	Universidade do Minho	Building & Construction	Rank 32
21	14,019	PN Peres, Nuno Miguel R.	Universidade do Minho	Applied Physics	Rank 320
22	14,040	LF Lobo, Francisco S.N.	Faculdade de Ciências da Universidade de Lisboa	Nuclear & Particle Physics	Rank 190
23	15,257	SM Swash, M.	Centro de Estudos Egas Moniz	Neurology & Neurosurgery	Rank 1,169
24	15,334	RR Reis, R. L.	Universidade do Minho	Biomedical Engineering	Rank 64
25	15,533	ER Egídio Rodrigues, Alírio Egídio	Universidade do Porto, Department of Chemical Engineering	Chemical Engineering	Rank 58
26	16,100	GJ Gama, João M.P.	Institute for Systems and Computer Engineering, Technology and Science	Artificial Intelligence & Image Processing	Rank 367
27	16,820	CV Cardoso, Vitor	Instituto Superior Técnico	Nuclear & Particle Physics	Rank 226
28	17,484	BC Brett, Christopher Michael Ashton	Universidade de Coimbra, Faculdade de Ciências e Tecnologia	Analytical Chemistry	Rank 86
29	18,518	CJ Catalão, João P.S.	Universidade do Porto	Energy	Rank 220
30	18,804	FA Ferreira, António J.M.	Universidade do Porto	Materials	Rank 242
31	19,623	BJ Brito, Jorge De	Instituto Superior Técnico	Building & Construction	Rank 44
32	21,264	LS Loureiro, Sandra María Correia	Iscte – Instituto Universitário de Lisboa	Marketing	Rank 44
33	21,566	PH Pereira, Helena M.	Centro de Estudos Florestais	Forestry	Rank 11
34	21,611	PF Pacheco-Torgal, Fernando	Universidade do Minho	Building & Construction	Rank 50
35	22,441	MF Malcata, F. Xavier	Universidade do Porto	Food Science	Rank 93
36	22,497	CF Cardoso, Fatima	ABC Global Alliance	Oncology & Carcinogenesis	Rank 980
37	22,630	RT Rocha-Santos, Teresa A.P.	Universidade de Aveiro	Environmental Sciences	Rank 154
38	23,574	MP Moreira, Paula I.	University of Coimbra, Center for Neuroscience and Cell Biology	Neurology & Neurosurgery	Rank 1,751
39	23,738	SM Silveirinha, Mario G.	Instituto Superior Técnico	Applied Physics	Rank 543
40	24,513	DF de Falcão, António F.O.	Instituto de Engenharia Mecânica	Energy	Rank 296
41	24,770	PL Pereira, Luis S.	Linking Landscape, Environment, Agriculture And Food	Agronomy & Agriculture	Rank 108
42	26,447	SM Seabra, Miguel C.	NOVA Medical School - Faculdade de Ciências Médicas, Universidade Nova de Lisboa	Developmental Biology	Rank 966
43	27,167	DS Dorogóvtsev, Sergey N.	Universidade de Aveiro	Fluids & Plasmas	Rank 213
44	27,181	PJ Prata, Joana Correia	Instituto Universitário de Ciências da Saúde (IUCS)	Environmental Sciences	Rank 186
45	28,086	BO Bertolami, Orfeu	Universidade do Porto	Nuclear & Particle Physics	Rank 385
46	28,099	PA Pombeiro, Armando J.l.	Universidade de Lisboa	Inorganic & Nuclear Chemistry	Rank 150
47	28,862	RJ Rocha, João	Universidade de Aveiro	Inorganic & Nuclear Chemistry	Rank 155
48	31,341	SB Sarmento, Bruno Filipe Carmelino Cardoso	i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal	Pharmacology & Pharmacy	Rank 246
49	31,370	OR Oliveira, Rui Filipe	Instituto Gulbenkian de Medicina Molecular	Behavioral Science & Comparative Psychology	Rank 94
50	31,392	DE Derouane, Eric G.	Institute for Bioengineering and Biosciences	Physical Chemistry	Rank 111
51	31,475	RL Rodrigues, Ligia R.	LABBELS – Associate Laboratory	Biotechnology	Rank 81
52	32,338	VM Veldhoen, Marc	Instituto de Medicina Molecular João Lobo Antunes	Immunology	Rank 990
53	32,609	FM Ferreira, Mario G. S.	CICECO – Instituto de Materiais de Aveiro	Energy	Rank 421
54	33,029	MM Miguel, Maria Graça Costa	Faculdade de Ciências e Tecnologia	Plant Biology & Botany	Rank 393
55	33,064	CF Carvalho, Fernando Piedade	Instituto Superior Técnico	Environmental Sciences	Rank 231
56	33,305	SM Simões, Manuel Vieira	Universidade do Porto	Microbiology	Rank 847
57	33,643	OA Oliva-Teles, A.	Universidade do Porto	Fisheries	Rank 58
58	34,368	SN Santos, Nuno C.	Centro de Astrofísica da Universidade do Porto	Astronomy & Astrophysics	Rank 390
59	34,620	MR Martins, Rodrigo Ferrão Paiva	Centro de Investigação em Materiais	Applied Physics	Rank 806
60	34,964	CA Cavaco-Paulo, Artur Manuel	Universidade do Minho	Biotechnology	Rank 97
61	35,252	CM Carmo-Fonseca, Maria	Instituto Gulbenkian de Medicina Molecular	Developmental Biology	Rank 1,214
62	35,487	PL Pȩcas Lopes, Joao A.	Universidade do Porto	Energy	Rank 466
63	35,869	VV Vasconcelos, Vítor Manuel Oliveira	CIIMAR - Interdisciplinary Centre of Marine and Environmental Research	Microbiology	Rank 909
64	36,322	FP Flores, Paulo	Universidade do Minho	Design Practice & Management	Rank 14
65	36,516	DR Dinis-Oliveira, R. J.	Cooperativa de Ensino Superior, Politécnico e Universitário	Legal & Forensic Medicine	Rank 11
66	36,580	BL Barros, Lillian B.	Instituto Politécnico de Bragança	Food Science	Rank 177
67	36,609	FI Ferreira, Isabel C.F.R.	Instituto Politécnico de Bragança	Food Science	Rank 178
68	38,060	LJ Lemos, José P.S.	Instituto Superior Técnico	Nuclear & Particle Physics	Rank 556
69	40,714	MR Marques, Rui Cunha	Lusófona University	Environmental Engineering	Rank 161
70	40,764	MC Manaia, Celia	Escola Superior de Biotecnologia da Universidade Católica Portuguesa	Microbiology	Rank 1,017
71	40,770	PA Phillips, Alan J.L.	Faculdade de Ciências da Universidade de Lisboa	Mycology & Parasitology	Rank 62
72	41,101	GJ Gash, John H.C.	Centro de Estudos Florestais	Meteorology & Atmospheric Sciences	Rank 622
73	41,399	CL Carlos, Luís D.	CICECO – Instituto de Materiais de Aveiro	Nanoscience & Nanotechnology	Rank 552
74	41,587	SF Schmitt, F. C.	Faculdade de Medicina da Universidade do Porto (FMUP)	Pathology	Rank 123
75	41,792	GM Graça, Manuel Augusto Simões	Universidade de Coimbra	Marine Biology & Hydrobiology	Rank 292
76	42,470	PR Paterson, Russell Monteith	Universidade do Minho	Microbiology	Rank 1,062
77	42,575	KS Kundu, Subhas C.	Universidade do Minho	Biomedical Engineering	Rank 180
78	43,068	PA Patel, Ashok R.	International Iberian Nanotechnology Laboratory	Food Science	Rank 210
79	43,177	DC De Carvalho, Mamede Alves	Faculdade de Medicina da Universidade de Lisboa	Neurology & Neurosurgery	Rank 2,970
80	44,089	JS João Saraiva, Maria João Mascarenhas	i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal	Biochemistry & Molecular Biology	Rank 1,649
81	45,813	LP Leitão, Paulo	Instituto Politécnico de Bragança	Industrial Engineering & Automation	Rank 372
82	45,981	MP McGregor, Peter Kenneth	ISPA - Instituto Universitário	Behavioral Science & Comparative Psychology	Rank 141
83	46,406	KV Konotop, Vladimir V.	Faculdade de Ciências da Universidade de Lisboa	General Physics	Rank 282
84	46,641	SG Semin, Gun Refik	ISPA - Instituto Universitário	Social Psychology	Rank 472
85	47,205	FP Fernandes, Paulo M.	University of Trás-os-Montes and Alto Douro	Forestry	Rank 38
86	47,870	CP Costa, Paulo Cardoso	Universidade do Porto	Pharmacology & Pharmacy	Rank 390
87	48,352	ZJ Zilha̧o, João	Faculdade de Letras da Universidade de Lisboa	Archaeology	Rank 34
88	49,176	SL Sardinha, Luís B. Sardinha Bettencourt	Faculdade de Motricidade Humana, Universidade de Lisboa	Sport Sciences	Rank 149
89	49,690	DS da Silva, Lucas F.M.	Universidade do Porto	Polymers	Rank 444
90	50,109	Camarinha-Matos, Luis M.	Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa	Industrial Engineering & Automation	Rank 395
91	50,557	OT Outeiro, Tiago F.	Universidade do Algarve	Neurology & Neurosurgery	Rank 3,401
92	50,848	FJ Fernández-Rossier, Joaquín	International Iberian Nanotechnology Laboratory	Applied Physics	Rank 1,225
93	51,002	VR Vilar, Rui M.C.S.	Instituto Superior Técnico	Materials	Rank 687
94	51,027	AR Almeida, Ricardo	Universidade de Aveiro	General Mathematics	Rank 217
95	51,344	FM Flores, Maria Assunção	Universidade do Minho	Education	Rank 285
96	51,544	CS Carabineiro, Sónia A.C.	Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa	Physical Chemistry	Rank 177
97	51,861	FE Fortunato, Elvira M.C.	Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa	Applied Physics	Rank 1,250
98	52,954	DC de Carvalho, C. C. C. R.	Institute for Bioengineering and Biosciences	Biotechnology	Rank 144
99	54,482	DM De Melo Órfão, José J.	Universidade do Porto	Physical Chemistry	Rank 187
100	54,672	BM Bebianno, Maria João	Centro de Investigacao Marinha e Ambiental	Environmental Sciences	Rank 410
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Countries with a similar count

Career-long list2026

Saudi Arabia1,071 scientists

Ireland963 scientists

South Africa963 scientists

Egypt676 scientists

Czech Republic622 scientists

Malaysia515 scientists

Explore other countries

Career-long list2026

Italy7,363 scientists

Spain4,103 scientists

Greece1,243 scientists

Slovenia242 scientists

Serbia117 scientists

Croatia109 scientists

All countries on the world map

Frequently asked questions

How many scientists from Portugal are in the 2026 Stanford Top 2% list?

1,060 scientists affiliated with Portugal are on the 2026 single-year list, and 787 are on the career-long list.

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

On the 2026 career-long list, Universidade do Porto has the most listed scientists from Portugal, with 115. It is followed by Instituto Superior Técnico with 71.

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

On the career-long list, Portugal went from 385 scientists in 2020 to 787 in 2026, a change of +104.4%.

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.