2016 tables: Countries/territories
The 2016 tables are based on Nature Index data from 1 January 2015 to 31 December 2015.
|1||United States of America (USA)||20772.79|
|4||United Kingdom (UK)||3807.28|
Each year, the Nature Index publishes tables based on counts of high-quality research outputs in the previous calendar year. It is important for users to understand that the data behind the tables are based on a relatively small proportion of total research papers, that they cover the natural sciences only and that outputs are non-normalized (that is, they don’t reflect the size of the country or institution, or its overall research output). We encourage users to combine the free-to-access Nature Index data with information from other sources.
The annual tables for 2019 represent a set of data frozen on 13 May 2019. The Nature Index database undergoes regular updating, corrections, adjustment of institutional hierarchies, and removal of retracted papers and thus the live website can differ from the frozen annual tables.
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