9.3(top 2%)
impact factor
156.9K(top 0.1%)
papers
18.6M(top 0.1%)
citations
1.0K(top 0.1%)
h-index
9.5(top 2%)
extended IF
161.9K
all documents
19.8M
doc citations
1.6K(top 0.1%)
g-index
g-index
The graph shows the changes in the g-index of Proceedings of the National Academy of Sciences of the United States of America and the corresponding percentile for the sake of comparison with the entire literature. g-index is a scientometric index similar to g-index but put a more weight on the sum of citations. The g-index of a journal is g if the journal has published at least g papers with total citations of g2.