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PNAS - Journal Impact
The Journal Impact 2019-2020 of PNAS is
9.350, which is just updated in 2020.
Compared with historical Journal Impact data, the Factor 2019 of PNAS dropped by
The Journal Impact Quartile of PNAS is
The Journal Impact of an academic journal is a scientometric factor that reflects the yearly average number of citations that recent articles published in a given journal received. It is frequently used as a factor for the relative importance of a journal within its field; journals with higher Journal Impact are often deemed to be more important than those with lower ones. The Journal Impact measures the average number of citations received in a particular year (2019) by papers published in the journal during the two preceding years (2017-2018). Note that 2019 Journal Impact are reported in 2020; they cannot be calculated until all of the 2019 publications have been processed by the indexing agency.
In addition to the 2-year Journal Impact, the 3-year Journal Impact can provide further insights and factors into the impact of PNAS.
10.0 ~ 10.5
PNAS - Journal Impact Prediction System
29% scientists expect PNAS Journal Impact 2020 will be in the range of 10.0 ~ 10.5.
Journal Impact Prediction System provides an open, transparent, and straightforward platform to help academic researchers Predict future factor and performance through the wisdom of crowds. Journal Impact Prediction System displays the exact community-driven factor without secret algorithms, hidden factors, or systematic delay.
PNAS - ISSN
The ISSN of PNAS is 10916490, 00278424. An ISSN is an 8-digit code used to identify newspapers, journals, magazines and periodicals of all kinds and on all media–print and electronic.
PNAS - Subscription (non-OA) Journal
PNAS is a Subscription-based (non-OA) Journal. Publishers own the rights to the articles in their journals. Anyone who wants to read the articles should pay by individual or institution to access the articles. Anyone who wants to use the articles in any way must obtain permission from the publishers.
PNAS - Publisher
PNAS is published by National Academy of Sciences,
which is located in the United States.
The Publication History of PNAS covers 1949-1951, 1961-ongoing.
PNAS - Categories
PNAS is a peer-reviewed scientific journal.
The scope of PNAS covers
PNAS - Journal Factors
It is impossible to get a true picture of impact using a single factor alone, so a basket of factors is needed to support informed decisions. In addition to
Research Hotspot and
Template, several advanced Journal Factors including
SJR (SCImago Journal Rank Indicator) and
SNIP (Source Normalized Impact per Paper) can provide you comprehensive insights into the PNAS.
Ranking by Journal Impact
Ranking by Popularity