33.3(top 1%)
Impact Factor
35.4(top 1%)
extended IF
1434(top 1%)
H-Index
60.8K
authors
131.4K
papers
15.9M
citations
36.7K
citing journals
1.5M
citing authors
Selected Period:
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Impact Factor of Science based on the number of citations over 2-year window
The graph shows the changes in the impact factor of Science and its the corresponding percentile for the sake of comparison with the entire literature. Impact Factor is the most common scientometric index, which is defined by the number of citations of papers in two preceding years divided by the number of papers published in those years.
Impact Factor of Science based on the number of citations over 2-year window
This graph shows how the impact factor of Science is computed. The left axis depicts the number of papers published in years X-1 and X-2, and the right axis displays their citations in year X.