9.8(top 2%)
impact factor
151.2K(top 0.1%)
papers
18.9M(top 0.1%)
citations
1.0K(top 0.1%)
h-index
10.5(top 2%)
extended IF
163.3K
all documents
20.2M
doc citations
1.6K(top 0.1%)
g-index
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.

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 156,345 articles Proceedings of the National Academy of Sciences of the United States of America has published so far, 2% of its articles have received no citation at all. 2,079 articles (about 1% of the total articles) have received only one citation. 3.60% of the articles (58569) have received over 100 citations.