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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 (often abbreviated PNAS or PNAS USA) is a peer-reviewed multidisciplinary scientific journal. It is the official journal of the National Academy of Sciences, published since 1915, and publishes original research, scientific reviews, commentaries, and letters. According to Journal Citation Reports, the journal has a 2022 impact factor of 11.1.[1] PNAS is the second most cited scientific journal, with more than 1.9 million cumulative citations from 2008 to 2018.[2] In the mass media, PNAS has been described variously as "prestigious",[3][4] "sedate",[5] "renowned"[6] and "high impact".[7]

"PNAS" and "Proceedings of the National Academy of Sciences" redirect here. For the Indian journal, see Proceedings of the National Academy of Sciences, India. For the protein, see Sodium/phosphate cotransporter. For other uses, see PNA (disambiguation).

Discipline

English

1915–present

Weekly

Hybrid, delayed (after 6 months)

9.4 (2023)

Proc. Natl. Acad. Sci. U.S.A.

0027-8424 (print)
1091-6490 (web)

PNAS is a delayed open-access journal, with an embargo period of six months that can be bypassed for an author fee (hybrid open access). Since September 2017, open access articles are published under a Creative Commons license. Since January 2019, PNAS has been online-only, although print issues are available on demand.

Official website