ISME Journal impact factor and ranking
This profile summarizes the journal metrics and publication information available in the current directory record.
ISME Journal metric snapshot
ISME Journal has a bibliometric profile in this directory for 2025. The publisher recorded for the journal is OXFORD UNIV PRESS. Its listed Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor is 10. The five-year Journal Impact Factor is 12.5, giving a second citation window for comparison. The journal is recorded in quartile Q1 for its listed JCR category.
Category position and quartile
The recorded JCR category position is 5 out of 200 journals. Based on that rank position, the journal sits within approximately the top 2.5% of the listed category. Its listed quartile is Q1. 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 (12.5) is 2.5 points higher than the standard Journal Impact Factor (10). Without journal self-citations, the Impact Factor is 9.5, a difference of 0.5 points from the listed standard value. The Journal Citation Indicator (JCI) is recorded as 2.89. 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 ISME Journal lists total cites: 41,718; total articles: 254; citable items: 269. 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 7.5 years, indicating the median age of items that contributed citations to the journal in the reporting framework. The citing half-life is 8.3 years, indicating the median age of references used by the journal’s articles.
Identifiers and verification
ISME Journal is identified in this directory by print ISSN 1751-7362 and electronic ISSN 1751-7370. The publisher is recorded as OXFORD UNIV PRESS. 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 | ISME Journal |
|---|---|
| Abbreviated journal | ISME J |
| Publisher | OXFORD UNIV PRESS |
| Metric year | 2025 |
| Overall rank | 557 |
| ISSN | 1751-7362 |
| eISSN | 1751-7370 |
| Total cites | 41,718 |
| Total articles | 254 |
| Citable items | 269 |
| Cited half-life | 7.5 years |
| Citing half-life | 8.3 years |
| JCR-based Journal Impact Factor | 10 |
| 5-Year Impact Factor | 12.5 |
| Impact Factor without journal self-cites | 9.5 |
| Journal Citation Indicator | 2.89 |
| JCR Impact Factor quartile | Q1 |
| JCR category rank | 5/200 |
| Database record updated |
Frequently asked questions
What is the 2025 JCR-based Journal Impact Factor of ISME Journal?
The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for ISME Journal is 10 for the 2025 metric year.
What are the JCR quartile and category rank of ISME Journal?
ISME Journal is listed with quartile Q1 and category rank 5/200. 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 ISME Journal?
The five-year Journal Impact Factor recorded for ISME Journal is 12.5. It uses a longer citation window than the standard Journal Impact Factor.
Who publishes ISME Journal?
ISME Journal is listed in this directory as being published by OXFORD UNIV PRESS.
Related journal profiles
Journals in the same approved specialty or subject are shown first, followed by same-publisher or similar-metric records when needed.