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987. Percentage of U.S. Scientific and Technical Articles Which are Co-authoredand Internationally Co-authored
[Co-authorships are based on authors' corporate address. The database consists of theInstitute of Scientific Information's Science and Social Science Citation Indexes (SCI,
SSCI)]
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Percentage co-authored
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Percentage internationally co-authored
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Science field
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1986-88
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1989-91
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1992-94
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1995-97
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1986-88
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1989-91
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1992-94
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1995-97
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Science and engineering, total
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46.4
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49.4
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52.9
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56.8
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9.8
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11.8
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14.9
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18.0
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Physics
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43.5
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47.9
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54.3
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59.3
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16.1
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19.1
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24.7
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30.1
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Chemistry
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31.2
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34.5
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38.6
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42.6
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10.0
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11.6
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14.5
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16.9
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Earth & space science
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48.8
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53.3
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58.2
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63.1
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16.7
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20.2
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24.2
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28.7
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Mathematics
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40.0
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42.8
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46.8
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49.6
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19.7
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21.0
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24.3
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26.8
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Biology
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37.9
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42.5
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46.0
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50.1
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8.7
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11.1
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13.1
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15.9
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Biomedical research
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51.1
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54.7
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58.8
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61.8
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11.8
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14.0
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17.0
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19.5
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Clinical medicine
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59.6
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61.4
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63.3
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66.4
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7.8
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9.5
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12.2
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15.0
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Engineering
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35.5
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39.3
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43.3
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47.0
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9.8
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11.5
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13.8
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16.5
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Psychology
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36.5
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38.5
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41.3
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43.6
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4.3
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5.7
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6.9
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8.9
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Social science
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29.6
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30.8
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32.9
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35.8
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6.4
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7.0
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8.8
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10.3
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Health & professional fields
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32.9
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34.9
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36.1
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39.6
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3.3
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3.8
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4.6
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6.5
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Source: CHI Research, Inc., Haddon Heights, NJ; Science Indicators Database; and U.S. National Science Foundation, special tabulation.
http://www.nsf.gov/sbe/srs/stats.htm
https://allcountries.org/uscensus/987_percentage_of_u_s_scientific_and.html
These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce and are subject to revision by the Census Bureau.
Copyright © 2019 Photius Coutsoukis and Information Technology Associates, all rights reserved.
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