Journal of Bacteriology

pISSN: 0021-9193eISSN: 1098-5530• JCR: J BACTERIOLAmerican Society for MicrobiologyUnited States
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2026 Impact Factor

3.8

Released June 2026 · Based on 2025 citation data

↑ 0.8 (+26.7%) vs last year

Impact Factor History

  1. Metric year 2025

    Released

    3.8
  2. Metric year 2024

    3.0

JCR Category Rankings

Journal Citation Reports category rankings
CategoryIndexesQuartile
MICROBIOLOGYSCIEQ2
Q2
JCR Quartile
B3
CAS Block

Journal of Bacteriology current release and JCR quartile

Journal of Bacteriology's newest impact factor is 3.8, released June 17, 2026 and based on 2025 citation data. The journal is listed as JCR Q2 in this Journal Metrics record.

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Ranking position in Biology & Basic Science

Ranked #1,058 in Biology & Basic Science by impact factor and #211 among Q2 Biology & Basic Science journals. This context helps compare Journal of Bacteriology against journals publishing in the same field.

#1,058
of 3,717 field journals

Journal of Bacteriology publication trend

Published 886 papers across the last 5 recorded years with a current impact factor of 3.8.

2026 vs 2025: -189
How Journal Metrics uses article volume

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Journal Details

Total Articles
55,615
H-Index
395
Open Access
Yes
Subject Areas
GeneticsEcologyMolecular BiologyMaterials Chemistry

Article Volume

2022
225
2023
169
2024
193
2025
244
2026
55
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