IF by specialty › Medicine, General & Internal
Internal Medicine (Tokyo) — Impact Factor
The 2025 Impact Factor of Internal Medicine (Tokyo) is 1.0 (quartile not confirmed; fully open access).
- Impact Factor
- 1.0 JCR 2025
- JCR category
- Medicine, General & Internal
- Quartile
- quartile not confirmed
- Publisher
- Japanese Society of Internal Medicine
- Open access
- fully open access
- IF source
- bioxbio.com
Position within the field
Ranked 40 of the 40 journals in Medicine, General & Internal on this site (bottom 50%).
Medicine, General & Internal journals with a similar Impact Factor
- Medicina (Kaunas) IF 2.9
- PLOS ONE IF 2.8
- BMJ Open IF 2.5
- Medicine (Baltimore) IF 2.0
- Internal Medicine Journal IF 1.8
- Journal of Evaluation in Clinical Practice IF 1.5
Author guidelines at a glance
- Case reports
- Accepted. Case reports welcomed. 100-word abstract; no stated limit on main text or figures/tables
- Article types
- Original Article / Case Report / Review / Letter / Pictures in Clinical Medicine
- Word limit (original)
- 3,500 words
- Abstract
- 250 words (structured)
- Figures/tables
- No limit
- OA / APC
- full OA / US$300 (No APC. Non-members pay a US$300 submission fee (waived for members))
- Reporting guidelines
- Declaration of Helsinki, IRB approval
- Submission system
- Journal's own system
About this value
The Journal Impact Factor of Internal Medicine (Tokyo) (JCR 2025, released June 2026) is 1.0. Values are compiled by cross-checking figures published by publishers and societies against public aggregators; this is not a reproduction of Clarivate Journal Citation Reports™. Confirm the current value on the publisher's page or in JCR before deciding where to submit. The quartile (Q1–Q4) is the journal's relative position within its JCR category; Q1 means the top 25%.
Last updated September 2026. Report errors via the contact form. Other journals in the same category: Medicine, General & Internal.