Time frame: 1 April 2023 - 31 March 2024


Position by research output Share

Global Europe
Overall 29 17

Position by research output Share in subject areas

Global Europe
Biological sciences 26 15
Chemistry 30 17
Earth & environmental sciences 30 16
Health sciences 31 17
Physical sciences 30 16


Overall research output

Count Share
Overall 678 136.48

Overall Count and Share for '' based on the 12-month time frame mentioned above.

View all articles

Research outputs by subject area

Subject Count Share
Biological sciences 203 43.74
Chemistry 189 46.93
Earth & environmental sciences 164 31.75
Health sciences 220 32.57
Physical sciences 444 73.03

Note: Articles may be assigned to more than one subject area, as a result the sum of the subject research outputs may not equal the overall research outputs.

Note: Hover over the donut graph to view the Share for each subject.

Share output for the past 5 years

Country/territory benchmarking

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Collaboration by percentage of Share

Country/territory Share
USA 20.5%
UK 14.7%
Germany 13.5%
Spain 10.7%
France 8.8%
Italy 8.6%
China 7.7%
Switzerland 7.5%
Netherlands 4.8%
Brazil 3.2%

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

Top 10 collaborators with Portugal by Share

Top 10 institutions from Portugal by Share

Latest supplement

Nature Index 2024 China

China's status at the summit of the Nature Index remains unrivalled as the gap between it and the United States grows. The key question is where Chinese research will go next. As the nation seeks international recognition for its scientific achievements, betting big on large-scale experiments, it is also carving its own path in publishing and partnerships. Time will tell how these strategies will shift the status quo of the global research landscape.

Nature Index 2024 China