Proceedings of the National Academy of Sciences of the United States of America

pISSN: 0027-8424eISSN: 1091-6490• JCR: P NATL ACAD SCI USANational Academy of SciencesUnited States
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2026 Impact Factor

9.5

Released June 2026 · Based on 2025 citation data

↑ 0.4 (+4.4%) vs last year

Impact Factor History

  1. Metric year 2025

    Released

    9.5
  2. Metric year 2024

    9.1

JCR Category Rankings

Journal Citation Reports category rankings
CategoryIndexesQuartile
MULTIDISCIPLINARY SCIENCESSCIEQ1
Q1
JCR Quartile
B1
CAS Block

Proceedings of the National Academy of Sciences of the United States of America current release and JCR quartile

Proceedings of the National Academy of Sciences of the United States of America's newest impact factor is 9.5, released June 17, 2026 and based on 2025 citation data. The journal is listed as JCR Q1 in this Journal Metrics record.

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Ranking position in Neuroscience

Ranked #51 in Neuroscience by impact factor and #51 among Q1 Neuroscience journals. This context helps compare Proceedings of the National Academy of Sciences of the United States of America against journals publishing in the same field.

#51
of 1,153 field journals

Proceedings of the National Academy of Sciences of the United States of America publication trend

Published 17,061 papers across the last 5 recorded years with a current impact factor of 9.5.

2026 vs 2025: -3,162
How Journal Metrics uses article volume

Topics where this journal appears in PubMed searches

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Journal Details

Total Articles
169,849
H-Index
1,161
Open Access
Hybrid
Subject Areas
Molecular BiologyGeneticsCellular and Molecular NeuroscienceRadiology, Nuclear Medicine and Imaging

Article Volume

2022
3,938
2023
3,628
2024
3,955
2025
4,351
2026
1,189
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