8.2(top 2%)
impact factor
157.7K(top 0.1%)
papers
19.9M(top 0.1%)
citations
1.1K(top 0.1%)
h-index
8.6(top 2%)
extended IF
168.7K
all documents
21.5M
doc citations
1.7K(top 0.1%)
g-index
Proceedings of the National Academy of Sciences of the United States of America - impact-factor
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 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.
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How influential is Proceedings of the National Academy of Sciences of the United States of America in terms of citations?

Based on the citation analysis of 158,474 articles Proceedings of the National Academy of Sciences of the United States of America has published so far, 1% of its articles have received no citation at all. 1,870 articles (about 1% of the total articles) have received only one citation. 3.85% of the articles (62057) have received over 100 citations.