Portugal

Research

Date range: 1 October 2020 - 30 September 2021

Subject/journal group: All

The table to the right includes counts of all research outputs for Portugal published between 1 October 2020 - 30 September 2021 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
524 153.42

Outputs by subject (Share)

Outputs by subject
Subject Count Share
227 65.55
184 46.34
85 29.83
60 15.57

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 October 2020 - 30 September 2021

Collaboration by percentage of Share

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

Collaboration by percentage of Share
Country Share (%)
USA 20.84
UK 15.51
Spain 14.97
Germany 14.43
France 7.95
Italy 7.79
China 5.38
Switzerland 5.05
Brazil 4.47
Russia 3.61

Top 10 collaborators with Portugal by Share

  1. Portugal and United States of America (USA) (83.96)
    Portugal21.92
    United States of America (USA)62.04
  2. Portugal and United Kingdom (UK) (62.46)
    Portugal23.90
    United Kingdom (UK)38.56
  3. Portugal and Spain (60.31)
    Portugal25.13
    Spain35.17
  4. Portugal and Germany (58.12)
    Portugal19.82
    Germany38.30
  5. Portugal and France (32.03)
    Portugal13.77
    France18.26
  6. Portugal and Italy (31.37)
    Portugal10.44
    Italy20.93
  7. Portugal and China (21.68)
    Portugal6.40
    China15.28
  8. Portugal and Switzerland (20.36)
    Portugal6.87
    Switzerland13.49
  9. Portugal and Brazil (18.01)
    Portugal7.17
    Brazil10.84
  10. Portugal and Russia (14.52)
    Portugal5.58
    Russia8.94

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) 253 53.87
2. University of Porto (UP) 103 14.63
3. University of Aveiro (UA) 59 13.43
4. New University of Lisbon (UNL) 84 11.57
5. University of Coimbra (UC) 99 10.60
6. Champalimaud Foundation 17 8.32
7. Gulbenkian Science Institute (IGC) 27 7.97
8. University of Minho (UM) 82 6.70
9. Rede de Química e Tecnologia (REQUIMTE) 17 4.84
10. International Iberian Nanotechnology Laboratory (INL) 18 4.21