INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY JCR impact factor overview
This profile summarizes the journal metrics and publication information available in the current directory record.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY metric snapshot
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY has a bibliometric profile in this directory for 2025. The publisher recorded for the journal is MICROBIOLOGY SOC. Its listed Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor is 2.000. The five-year Journal Impact Factor is 2.200, giving a second citation window for comparison. The journal is recorded in quartile Q3 for its listed JCR category.
Category position and quartile
The recorded JCR category position is 122 out of 163 journals. Based on that rank position, the journal sits within approximately the top 75% of the listed category. Its listed quartile is Q3. Category ranks and quartiles are field-specific and are not measures of the quality of an individual article.
How the citation indicators compare
The five-year Journal Impact Factor (2.200) is 0.200 points higher than the standard Journal Impact Factor (2.000). Without journal self-citations, the Impact Factor is 1.500, a difference of 0.500 points from the listed standard value. The Journal Citation Indicator (JCI) is recorded as 0.480. These measures use different definitions or citation windows, so they are most useful when read together rather than treated as interchangeable scores.
Citation and publication counts
For 2025, the directory record for INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY lists total cites: 25,006; total articles: 372; citable items: 374. These fields describe different parts of the JCR record and should not be combined into an article-level quality score.
Citation half-life profile
The cited half-life is 10 years, indicating the median age of items that contributed citations to the journal in the reporting framework. The citing half-life is 10.6 years, indicating the median age of references used by the journal’s articles.
Identifiers and verification
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY is identified in this directory by print ISSN 1466-5026 and electronic ISSN 1466-5034. The publisher is recorded as MICROBIOLOGY SOC. When making submission, library, or research-evaluation decisions, verify the title and identifiers against the journal publisher and the official Clarivate Journal Citation Reports record.
Complete journal information
Use this table to verify the individual metric values, identifiers and publication details stored for this journal.
| Journal name | INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY |
|---|---|
| Abbreviated journal | INT J SYST EVOL MICR |
| Publisher | MICROBIOLOGY SOC |
| Metric year | 2025 |
| Overall rank | 8,303 |
| ISSN | 1466-5026 |
| eISSN | 1466-5034 |
| Total cites | 25,006 |
| Total articles | 372 |
| Citable items | 374 |
| Cited half-life | 10 years |
| Citing half-life | 10.6 years |
| JCR-based Journal Impact Factor | 2.000 |
| 5-Year Impact Factor | 2.200 |
| Impact Factor without journal self-cites | 1.500 |
| Journal Citation Indicator | 0.480 |
| JCR Impact Factor quartile | Q3 |
| JCR category rank | 122/163 |
| Database record updated |
Frequently asked questions
What is the 2025 JCR-based Journal Impact Factor of INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY?
The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY is 2.000 for the 2025 metric year.
What are the JCR quartile and category rank of INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY?
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY is listed with quartile Q3 and category rank 122/163. These values are category-specific and should be verified against the official JCR record when used for formal assessment.
What is the five-year Journal Impact Factor of INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY?
The five-year Journal Impact Factor recorded for INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY is 2.200. It uses a longer citation window than the standard Journal Impact Factor.
Who publishes INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY?
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY is listed in this directory as being published by MICROBIOLOGY SOC.
Related journal profiles
Additional records from the same publisher or with a similar listed JCR Impact Factor.