Tags: Science & Technology, Education Statistics, The United States, The United Kingdom
Sources: Thomson Reuters Essential Science Indicators. (2012). "Top 20 Countries".
Please visit the source of the data here.
List Notes: Data is for the year 2012 (latest available data as of February 2014). Countries are ranked by total number of citations in academic journals across all fields of scientific endeavour (including: Agricultural Sciences, Biology and Biochemistry, Chemistry, Clinical Medicine, Computer Science, Environmental Science, Business & Economics, Engineering, Geo-sciences, Immunology, Materials Science, Mathematics, Microbiology, Molecular Biology, Genetics, Neuroscience & Behaviour, Pharmacology, Physics, Plant & Animal Science, Psychology, Social Sciences, and Space Sciences). Data is from January 2000 through August 31, 2010 out of a pool of 147 countries.