United States of America (USA)

1 August 2018 - 31 July 2019

Subject/journal group: All

The table to the right includes counts of all research outputs for United States of America (USA) published between 1 August 2018 - 31 July 2019 which are tracked by the Nature Index.

Hover over the donut graph to view the FC output 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.

AC FC
28287 20172.78

Outputs by subject (FC)

Subject AC FC
Earth & Environmental Sciences 4313 2920.99
Life Sciences 12191 9059.45
Chemistry 6929 5062.90
Physical Sciences 7676 4977.19

1 August 2018 - 31 July 2019

View the connected world of international research collaboration. Visualize collaborations by subject or region.

Collaborations between countries

Percentage of collaboration by FC

Hover over the graph to view the percentage of collaboration.

Top 10 collaborators by FC

  • United States of America (USA)
  1. China (4270.40)
    2080.98
    2189.43
  2. 1075.69
    816.24
  3. Germany (1820.01)
    1010.78
    809.23
  4. Canada (1091.20)
    658.13
    433.08
  5. France (1080.77)
    657.25
    423.52
  6. Japan (925.30)
    563.98
    361.32
  7. Switzerland (710.17)
    423.44
    286.73
  8. Australia (673.98)
    395.40
    278.58
  9. South Korea (647.96)
    391.94
    256.02
  10. Italy (592.19)
    359.25
    232.93

Collaboration is determined by the combined fractional count (FC) of United States of America (USA) and the collaborating country.

Top 10 institutions from United States of America (USA)

Institution AC FC
1. Harvard University 2534 935.56
2. Stanford University 1611 657.46
3. Massachusetts Institute of Technology (MIT) 1780 540.68
4. National Institutes of Health (NIH) 960 379.22
5. University of California, Berkeley (UC Berkeley) 1206 367.26
6. Yale University 883 353.81
7. University of California, San Diego (UC San Diego) 1025 336.76
8. University of California, Los Angeles (UCLA) 1037 335.77
9. University of Washington (UW) 975 326.05
10. University of Michigan (U-M) 857 319.77

Enhanced profiles

Return to country/territory outputs