Portugal

Research

Date range: 1 April 2021 - 31 March 2022

Subject/journal group: All

The table to the right includes counts of all research outputs for Portugal published between 1 April 2021 - 31 March 2022 which are tracked by the Nature Index.

Hover over the donut graph to view the Share for each subject. Below, the same research outputs are grouped by subject. Click on the subject to drill-down into a list of articles organized by journal, and then by title.

Note: Articles may be assigned to more than one subject area.

Article Count and Share for Portugal
Count Share
527 149.46

Outputs by subject (Share)

Outputs by subject
Subject Count Share
58 17.72
176 48.64
251 64.75
77 24.91

Share output for the past 5 years

Share per year
2016 2017 2018 2019 2020
141.68 135.62 166.92 144.82 151.01

Compare Portugal with other countries/territories

Collaboration

Date range: 1 April 2021 - 31 March 2022

Collaboration by percentage of Share

Hover over the graph to view collaboration by percentage of Share.

Collaboration by percentage of Share
Country Share (%)
USA 23.81
UK 15.19
Germany 14.29
Spain 14.2
Italy 8.05
France 6.64
China 5.97
Switzerland 4.99
Brazil 3.44
Netherlands 3.41

Top 10 collaborators with Portugal by Share

  1. Portugal and United States of America (USA) (94.24)
    Portugal26.05
    United States of America (USA)68.19
  2. Portugal and United Kingdom (UK) (60.14)
    Portugal22.25
    United Kingdom (UK)37.89
  3. Portugal and Germany (56.56)
    Portugal16.06
    Germany40.50
  4. Portugal and Spain (56.22)
    Portugal23.30
    Spain32.92
  5. Portugal and Italy (31.88)
    Portugal9.21
    Italy22.67
  6. Portugal and France (26.29)
    Portugal12.07
    France14.22
  7. Portugal and China (23.63)
    Portugal6.15
    China17.48
  8. Portugal and Switzerland (19.74)
    Portugal6.38
    Switzerland13.36
  9. Portugal and Brazil (13.60)
    Portugal5.81
    Brazil7.79
  10. Portugal and Netherlands (13.51)
    Portugal5.20
    Netherlands8.31

Collaboration is determined by the combined fractional count (Share) of Portugal and the collaborating country.

Top 10 institutions from Portugal by Share

Institution Count Share
1. University of Lisbon (ULISBOA) 245 53.31
2. University of Porto (UP) 104 18.03
3. University of Aveiro (UA) 51 11.52
4. Gulbenkian Science Institute (IGC) 31 10.51
5. New University of Lisbon (UNL) 83 10.27
6. University of Coimbra (UC) 96 8.58
7. University of Minho (UM) 92 7.39
8. Champalimaud Foundation 14 5.55
9. Rede de Química e Tecnologia (REQUIMTE) 17 5.15
10. International Iberian Nanotechnology Laboratory (INL) 20 5.14