11.1(top 1%)
Impact Factor
12.1(top 1%)
extended IF
945(top 1%)
H-Index
95,625
authors
147,450
papers
16,372,021
citations
32,451
citing journals
1,335,337
citing authors
Selected Period:
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Impact Factor of Proceedings of the National Academy of Sciences of the United States of America based on the number of citations over 2-year window
The graph shows the changes in the impact factor of Proceedings of the National Academy of Sciences of the United States of America 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.
This graph shows how the impact factor of Proceedings of the National Academy of Sciences of the United States of America is computed. The left axis depicts the number of papers published in years X-1 and X2, and the right axis displays their citations in year X.

How Influential is Proceedings of the National Academy of Sciences of the United States of America?

Proceedings of the National Academy of Sciences of the United States of America is the 6th out of 116 General Sciences journals. This means the journal is among the top 6% in the science branch of General Sciences. This Journal is the 34th out of 20,139 Social Sciences journals. This means the journal is among the top 1% in the science branch of Social Sciences.