United States of America (USA)

News

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25 May 2018

Smriti Mallapaty

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Rockefeller tops Leiden university ranking for eighth consecutive year

20 May 2018

Smriti Mallapaty

The small university stands out for its citation impact relative to its size.

Wikipedia’s top-cited scholarly articles — revealed

16 May 2018

Giorgia Guglielmi

Gene collections and astronomy studies dominate the list of the most-cited publications with DOIs on the popular online encyclopaedia.

News

1 March 2017 - 28 February 2018

Subject/journal group: All

The table to the right includes counts of all research outputs for United States of America (USA) published between 1 March 2017 - 28 February 2018 which are tracked by the Nature Index.

Hover over the donut graph to view the WFC 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 WFC
24457 17109.22 15452.26

Outputs by subject (WFC)

Subject AC FC WFC
Physical Sciences 9800 5949.59 4292.64
Life Sciences 8855 6728.09 6728.09
Chemistry 6623 5091.53 5091.53
Earth & Environmental Sciences 1952 1324.45 1324.45

1 March 2017 - 28 February 2018

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

Collaborations between countries

Percentage of collaboration by WFC

Hover over the graph to view the percentage of collaboration.

Top 10 collaborators by WFC

  • United States of America (USA)
  1. China (2695.40)
    1411.66
    1283.74
  2. Germany (1450.31)
    812.82
    637.49
  3. 786.16
    594.34
  4. Canada (817.13)
    510
    307.13
  5. France (768.02)
    450.32
    317.70
  6. Japan (735.72)
    456.14
    279.58
  7. Switzerland (542.70)
    323.66
    219.04
  8. South Korea (497.28)
    310.12
    187.16
  9. Italy (490.51)
    294.76
    195.74
  10. Australia (471.31)
    281.63
    189.67

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

Top 10 institutions from United States of America (USA)

Institution AC FC WFC
1. Harvard University 2426 773.45 700.31
2. Stanford University 1418 522.73 496.46
3. Massachusetts Institute of Technology (MIT) 1574 465.11 439.84
4. University of California Berkeley (UC Berkeley) 1307 370.91 321.53
5. University of Michigan (U-M) 925 310.85 277.51
6. National Institutes of Health (NIH) 673 277.15 277.15
7. University of California, San Diego (UC San Diego) 839 279.87 268.73
8. Yale University 876 274.25 250.49
9. University of California Los Angeles (UCLA) 810 271.87 250.30
10. California Institute of Technology (Caltech) 1263 315.92 248.77

Enhanced profiles

Return to country/territory outputs