Portugal's Top 2% Scientists 2021

Portugal has 703 scientists on the 2021 single-year Top 2% list, up 27.4% from 552 in 2020. That places Portugal 35th in the world by number of listed scientists. Universidade do Porto has the most listed scientists (120), followed by Instituto Superior Técnico (84).

Single Year

703

+151 (+27.4%) vs 2020

Career Data

481

+96 (+24.9%) vs 2020

World rank by count

#35

No change vs 2020

Institutes

114

+11 (+10.7%) vs 2020

Scientists in Portugal on the list, by year

The single-year count has grown 27% since 2020.

Single-year list, change on the previous year

2021+27.4%

2022+9.5%

2023+2.7%

2024+12.4%

2025+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%

Top 10 institutes in Portugal

By number of listed scientists

Single-year list2021

Show the list

All 703 scientists

Single-year list2021

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	1,773	DJ Davim, J. P.	Universidade de Aveiro	Materials	Rank 38
2	2,556	MJ Machado, J. A.Tenreiro	Instituto Politécnico do Porto, Instituto Superior de Engenharia	Industrial Engineering & Automation	Rank 22
3	2,843	GS Guedes Soares, C.	Instituto Superior Técnico	Civil Engineering	Rank 7
4	3,191	BJ Bioucas-Dias, José M.	Instituto Superior Técnico	Geological & Geomatics Engineering	Rank 22
5	3,289	MJ Mano, João F.	Centro de Investigação em Materiais Cerâmicos e Compósitos	Biomedical Engineering	Rank 19
6	4,521	MM Montemor, M. F.	Instituto Superior Técnico	Energy	Rank 90
7	6,087	PF Pacheco-Torgal, Fernando	Universidade do Minho	Building & Construction	Rank 28
8	6,101	FJ Figueiredo, J. L.	Universidade do Porto	Physical Chemistry	Rank 30
9	6,580	LA Liddle, A. R.	Faculdade de Ciências, Universidade de Lisboa	Nuclear & Particle Physics	Rank 66
10	6,815	CJ Catalão, João P.S.	Universidade do Porto	Energy	Rank 135
11	6,942	CM Chaves, M. M.	Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa	Plant Biology & Botany	Rank 87
12	6,957	DB de Brito, Jorge	Instituto Superior Técnico	Building & Construction	Rank 35
13	7,594	RT Rocha-Santos, Teresa	Universidade de Aveiro	Analytical Chemistry	Rank 27
14	7,801	FJ Ferro, José M.	Universidade de Lisboa	Neurology & Neurosurgery	Rank 480
15	7,916	LF Lobo, Francisco S.N.	Faculdade de Ciências, Universidade de Lisboa	Nuclear & Particle Physics	Rank 84
16	8,041	FA Ferreira, A. J.M.	Universidade do Porto	Materials	Rank 135
17	8,118	GJ Gama, João	Institute for Systems and Computer Engineering, Technology and Science	Artificial Intelligence & Image Processing	Rank 229
18	8,283	FA Falcão, António F.O.	Instituto Superior Técnico	Energy	Rank 164
19	8,360	PN Peres, Nuno M.R.	Universidade do Minho	Applied Physics	Rank 169
20	8,780	CF Cardoso, F.	Champalimaud Clinical Centre	Oncology & Carcinogenesis	Rank 322
21	9,207	LS Loureiro, Sandra Maria Correia	Instituto Universitário de Lisboa (ISCTE-IUL)	Marketing	Rank 46
22	9,479	FI Ferreira, Isabel C.F.R.	Instituto Politecnico de Braganca	Food Science	Rank 53
23	9,895	CJ Coutinho, João A.P.	Centro de Investigação em Materiais Cerâmicos e Compósitos	Chemical Engineering	Rank 54
24	10,435	MC Manaia, Célia M.	Universidade Católica Portuguesa	Microbiology	Rank 232
25	10,755	RL Rodrigues, Lígia R.	Universidade do Minho	Biotechnology	Rank 33
26	10,970	FM Figueiredo, Mário A.T.	Instituto Superior Técnico	Artificial Intelligence & Image Processing	Rank 300
27	11,077	HR Heald, Richard J.	Champalimaud Foundation	Surgery	Rank 27
28	11,655	MM Miguel, M. Graça	Universidade do Algarve	Plant Biology & Botany	Rank 146
29	11,761	SB Sarmento, Bruno	i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal	Pharmacology & Pharmacy	Rank 57
30	11,855	PH Pereira, Helena	Centro de Estudos Florestais, Universidade de Lisboa	Forestry	Rank 3
31	12,042	LP Lourenço, Paulo B.	Universidade do Minho	Building & Construction	Rank 63
32	12,093	FP Flores, Paulo	Universidade do Minho	Design Practice & Management	Rank 8
33	12,162	CR Cunha, Rodrigo A.	University of Coimbra, Center for Neuroscience and Cell Biology	Neurology & Neurosurgery	Rank 734
34	12,904	BC Barros, Carlos Pestana	Universidade de Lisboa	Economics	Rank 210
35	13,145	VM Veldhoen, Marc	University of Lisbon Faculty of Medicine, Institute of Molecular Medicine	Immunology	Rank 339
36	13,283	CV Cardoso, Vitor	Instituto Superior Técnico	Nuclear & Particle Physics	Rank 143
37	13,616	SM Simões, Manuel	Universidade do Porto	Microbiology	Rank 299
38	13,619	MR Marques, Rui Cunha	Instituto Superior Técnico	Environmental Sciences	Rank 147
39	13,792	RR Reis, Rui L.	Universidade do Minho	Biomedical Engineering	Rank 59
40	13,899	SN Sousa, Nuno	Escola de Medicina da Universidade do Minho	Neurology & Neurosurgery	Rank 829
41	14,177	SE Souto, Eliana B.	Universidade de Coimbra, Faculdade de Farmácia	Pharmacology & Pharmacy	Rank 68
42	14,889	SM Silveirinha, M. G.	Instituto Superior Técnico	Networking & Telecommunications	Rank 107
43	15,033	PL Pereira, Luis S.	Linking Landscape, Environment, Agriculture And Food	Agronomy & Agriculture	Rank 86
44	15,344	AR Almeida, Ricardo	Centro de Investigação e Desenvolvimento em Matemática e Aplicações	General Mathematics	Rank 54
45	15,390	CF Carvalho, Fernando P.	Instituto Superior Técnico	Environmental Sciences	Rank 174
46	16,909	OT Oliveira, Tiago	NOVA Information Management School, Universidade Nova de Lisboa	Information Systems	Rank 55
47	17,147	BL Barros, Lillian	Instituto Politecnico de Braganca	Food Science	Rank 101
48	17,629	Prata, Joana C.	Universidade de Aveiro	Environmental Sciences	Rank 208
49	18,494	MP Moreira, Paula Isabel	University of Coimbra, Center for Neuroscience and Cell Biology	Neurology & Neurosurgery	Rank 1,079
50	19,645	BC Brett, Christopher M.A.	University of Coimbra, Centre for Mechanical Engineering, Materials and Processes	Analytical Chemistry	Rank 90
51	19,849	Oliva-Teles, Aires	University of Porto, Interdisciplinary Centre of Marine and Environmental Research	Fisheries	Rank 35
52	20,112	MS Murshed, S. M.Sohel	Instituto Superior Técnico	Nanoscience & Nanotechnology	Rank 490
53	20,192	CP Camanho, Pedro P.	Universidade do Porto	Materials	Rank 361
54	22,513	RA Rodrigues, Alírio E.	Universidade do Porto	Chemical Engineering	Rank 137
55	22,535	CS Carabineiro, Sónia A.C.	NOVA School of Science and Technology	Physical Chemistry	Rank 114
56	23,198	KS Kundu, Subhas C.	Universidade do Minho	Biomedical Engineering	Rank 110
57	23,828	DS da Silva, Lucas F.M.	Universidade do Porto	Polymers	Rank 208
58	23,916	CP Costa, Paulo	Universidade do Porto	Pharmacology & Pharmacy	Rank 125
59	24,088	FP Fernandes, Paulo M.	Universidade de Trás-os-Montes e Alto Douro, Centro de Investigação e de Tecnologias Agroambientais e Biológicas	Forestry	Rank 23
60	24,152	PA Pombeiro, Armando J.L.	Instituto Superior Técnico	Inorganic & Nuclear Chemistry	Rank 89
61	24,405	DR Dinis-Oliveira, Ricardo Jorge	Universidade do Porto	Toxicology	Rank 96
62	24,609	DC de Carvalho, Carla C.C.R.	Instituto Superior Técnico	Biotechnology	Rank 76
63	25,093	FE Fortunato, E.	Center of Excellence in Microelectronics Optoelectronics and Processes	Applied Physics	Rank 515
64	25,237	OR Oliveira, R. F.	Instituto Gulbenkian de Ciência	Behavioral Science & Comparative Psychology	Rank 61
65	25,916	GM Graça, Manuel A.S.	University of Coimbra, Marine and Environmental Sciences Center	Marine Biology & Hydrobiology	Rank 162
66	27,133	DC da Costa, João P.	Universidade de Aveiro	Environmental Sciences	Rank 322
67	27,238	LP Leitao, Paulo	Instituto Politecnico de Braganca	Industrial Engineering & Automation	Rank 265
68	29,619	DM de Moura, M. F.S.F.	Universidade do Porto	Materials	Rank 540
69	29,628	PJ Pires, José C.M.	Universidade do Porto	Environmental Sciences	Rank 356
70	29,935	BJ Brilha, José	Universidade do Minho	Geochemistry & Geophysics	Rank 553
71	29,978	CR Campilho, Raul D.S.G.	Instituto Politécnico do Porto, Instituto Superior de Engenharia	Polymers	Rank 263
72	30,793	SN Silvestre, Nuno	Instituto Superior Técnico	Civil Engineering	Rank 110
73	30,847	FM Flores, Maria Assunção	Universidade do Minho	Education	Rank 260
74	31,225	LL Liu, Lifeng	International Iberian Nanotechnology Laboratory	Nanoscience & Nanotechnology	Rank 795
75	31,591	DS Dorogovtsev, S. N.	Universidade de Aveiro	Fluids & Plasmas	Rank 248
76	32,396	PR Paterson, R. Russell M.	Universidade do Minho	Microbiology	Rank 733
77	32,467	FJ Ferreira, João J.	Universidade da Beira Interior	Business & Management	Rank 697
78	32,856	DS De Sousa Santos, Boaventura	University of Coimbra, Centre for Social Studies	Political Science & Public Administration	Rank 201
79	32,868	FM Ferreira, M. G.S.	Centro de Investigação em Materiais Cerâmicos e Compósitos	Energy	Rank 694
80	33,222	RJ Rocha, João	Centro de Investigação em Materiais Cerâmicos e Compósitos	Inorganic & Nuclear Chemistry	Rank 136
81	33,286	CP Cortez, Paulo	Universidade do Minho	Artificial Intelligence & Image Processing	Rank 811
82	33,613	AD Araújo, Duarte	Faculdade de Motricidade Humana, Universidade de Lisboa	Sport Sciences	Rank 125
83	34,949	CM Cerqueira, Miguel A.	International Iberian Nanotechnology Laboratory	Food Science	Rank 235
84	34,965	Afonso, António	Instituto Superior de Economia e Gestão, Universidade de Lisboa	Economics	Rank 492
85	36,031	AH Alves, Helena	Universidade da Beira Interior	Marketing	Rank 194
86	36,483	PA Phillips, Alan J.L.	Faculdade de Ciências, Universidade de Lisboa	Mycology & Parasitology	Rank 46
87	36,800	VV Vasconcelos, V.	Universidade do Porto	Microbiology	Rank 829
88	36,873	GL Guilhermino, Lúcia	Universidade do Porto	Environmental Sciences	Rank 439
89	37,024	LJ Lemos, José P.S.	Instituto Superior Técnico	Nuclear & Particle Physics	Rank 441
90	37,130	SS Samko, Stefan	Universidade do Algarve	General Mathematics	Rank 181
91	37,406	KE Kastenholz, Elisabeth	Universidade de Aveiro	Sport, Leisure & Tourism	Rank 134
92	37,453	AC Alves, Célia A.	Universidade de Aveiro	Meteorology & Atmospheric Sciences	Rank 716
93	37,549	MF Malcata, F. Xavier	Universidade do Porto	Food Science	Rank 258
94	37,882	VR Vilar, R.	Instituto Superior Técnico	Materials	Rank 698
95	38,521	RJ Rodriguez, Jonathan	Instituto de Telecomunicacoes	Networking & Telecommunications	Rank 299
96	38,609	CF Clemente, Filipe Manuel	Instituto Politécnico de Viana do Castelo	Sport Sciences	Rank 141
97	38,755	SC Santos, Conceição	Universidade do Porto	Plant Biology & Botany	Rank 561
98	39,253	TR Trigo, R. M.	Faculdade de Ciências, Universidade de Lisboa	Meteorology & Atmospheric Sciences	Rank 745
99	39,600	BA Barbosa-Póvoa, Ana	Instituto Superior Técnico	Chemical Engineering	Rank 248
100	39,711	FM Freire, Mara G.	Centro de Investigação em Materiais Cerâmicos e Compósitos	Chemical Engineering	Rank 249
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Countries with a similar count

Single-year list2021

Greece846 scientistsin 2021

South Africa752 scientistsin 2021

Ireland710 scientistsin 2021

Egypt605 scientistsin 2021

Malaysia549 scientistsin 2021

Czech Republic458 scientistsin 2021

Explore other countries

Single-year list2021

Italy6,126 scientistsin 2021

Spain3,402 scientistsin 2021

Slovenia165 scientistsin 2021

Serbia90 scientistsin 2021

Croatia77 scientistsin 2021

United Kingdom15,844 scientistsin 2021

All countries on the world map

Frequently asked questions

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

703 scientists affiliated with Portugal are on the 2021 single-year list, and 481 are on the career-long list.

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

On the 2021 single-year list, Universidade do Porto has the most listed scientists from Portugal, with 120. It is followed by Instituto Superior Técnico with 84.

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

On the single-year list, Portugal went from 552 scientists in 2020 to 703 in 2021, a change of +27.4%.

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.