Top 20
Countries in ALL FIELDS, 1999-August 31,
2009
For the eighth year,
ScienceWatch.com presents its
annual "Top 20" listings of the countries
which, as of the latest bimonthly update of
Essential Science IndicatorsSM,
achieved particular distinction based on
their papers published in
Clarivate-indexed journals from
January 1999 through August 31, 2009, a
10-year plus 8-month period. The listings
are confined to those nations, out of a
pool of 148, which published at least
10,000 papers across all
fields
during the period. Countries are ranked by
three separate measures: total citations,
number of papers, and cites per paper.
(Note: For articles with multiple authors
representing different nations, each listed
nation receives full, not fractional,
citation credit for the given paper.)
January 2010: Most-Cited
Paper From the Top 20 Countries, 1999-August 31, 2009: The
highest-cited paper from each of the top 20 countries are featured. In this
ranking, all of the paper's authors are based in the given country, as
opposed to multinational collaborations. The countries are listed in the
same order as they are above.