Science in Brazil, 2003-07

May 2009

Brazil's world share of science and social-science papers over a recent five-year period, expressed as a percentage of papers in each of 21 fields in the  Thomson Reuters database. Also, Brazil's relative citation impact compared to the world average in each field, in percentage terms.

Field Percentage of papers
from Brazil
Relative impact
compared to world
Agricultural Sciences 4.05 -45
Plant & Animal Science 3.02 -42
Microbiology 2.53 -40
Pharmacology 2.48 -35
Physics 2.13 -14
Biology & Biochemistry 2.12 -56
Space Science 2.05 -31
Immunology 2.04 -51
Ecology/Environmental 1.96 -12
Mathematics 1.82 -11
Brazil's overall percent share, all fields: 1.80
Chemistry 1.69 -29
Molecular Biology & Genetics 1.65 -66
Neurosciences & Behavior 1.61 -42
Materials Science 1.54 -34
Clinical Medicine 1.52 -31
Geosciences 1.45 -12
Engineering 1.30 -18
Computer Science 1.05 -31
Social Sciences 1.00 -38
Psychology/Psychiatry 0.62 -27
Economics & Business 0.48 -41

Between 2003 and 2007, Thomson Reuters indexed 76,440 papers that listed at least one author address in Brazil. Of those papers, the highest percentage appeared in journals categorized under the heading of agricultural sciences, followed by plant & animal sciences and microbiology. As the right-hand column indicates, Brazil has yet to attain the world impact average in any of the fields shown, although its score in mathematics for the five-year period was at 89% of the world mark (or just 11% below: 1.28 cites per paper for Brazil versus the world average of 1.44 citations). The nation's relative impact was also comparatively strong in physics, ecology/environmental, and geosciences.

SOURCE: National Science Indicators, 1981-2007 (containing listings of output and citation statistics for more than 170 countries; available in standard and deluxe versions from the Research Services Group).

The data and citation records included in this report are from Thomson Reuters Web of ScienceTM. Web of ScienceTM is a registered trademark of Thomson Reuters. All rights reserved.