What is the Impact Factor of Internal Medicine?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Internal Medicine is 1.00, ranking in quartile Q3 of Web of Science (SCIE).

Is Internal Medicine indexed in Web of Science or Scopus?

Yes, Internal Medicine is indexed in Web of Science (SCIE, Q3 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 0.334 (Q3) and an H-index of 87.

Who publishes Internal Medicine and what is the Article Processing Charge (APC)?

Internal Medicine is published by Japanese Society of Internal Medicine. The estimated Article Processing Charge (APC) is approximately $2,710 USD, subject to institutional waivers and corresponding author affiliations.

What is the ISO-4 abbreviation and acronym of Internal Medicine?

The official ISO-4 abbreviation of Internal Medicine is "INTERNAL MED" with common acronym "im". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q3Scopus Q3SCImago #16,063Hybrid

Internal Medicine

Acronym:im

•

Abbreviation (ISO):INTERNAL MED

•

Identifier (ISSN):0918-2918(Print)/1349-7235(Online)

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Publisher:Japanese Society of Internal Medicine

Official Website Submission Portal Compare

Clarivate IF (2026)

1↓ -0.1

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIEJCR Quartile

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Internal Medicine

WoS Q3

Annual Impact Factor Metric

Current (2026):1

Scopus SJR & RankScopus Q3

0.334

#16,063

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

87 papers with at least that number of citations each

WoS: SCIE / JCRQ3

Self-Citation Rate0%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

580articles/year

99.42% Gold OA•92.11% Original Research

Aims & Scope

Internal Medicine is an open-access online only journal published monthly by the Japanese Society of Internal Medicine. Articles must be prepared in accordance with "The Uniform Requirements for Manuscripts Submitted to Biomedical Journals (see Annals of Internal Medicine 108: 258-265, 1988), must be contributed solely to the Internal Medicine, and become the property of the Japanese Society of Internal Medicine. Statements contained therein are the responsibility of the author(s). The Society reserves copyright and renewal on all published material and such material may not be reproduced in any form without the written permission of the Society.

Topics Covered (Recognized by AI)

Medicine99.8%Internal medicine90%Biology83.3%Pathology64.6%Surgery59.6%Genetics52.4%Radiology41.4%Immunology40.3%Psychology37.1%Chemistry36%Endocrinology34.3%Psychiatry33%Biochemistry32.5%Gastroenterology28%Disease22.5%Cardiology22%

Primary Research Areas

Medicine Medicine: General & Internal

Official Website NLM PubMed Catalog Submission Portal SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

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WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRSCIE2026

MEDICINE, GENERAL & INTERNAL

Rank186/336

IndexSCIE

JCISCIE2026

MEDICINE, GENERAL & INTERNAL

Rank177/336

IndexSCIE

Category	Index	Rank	Quartile
MEDICINE, GENERAL & INTERNAL	JCRSCIE	186/336	Q3
MEDICINE, GENERAL & INTERNAL	JCISCIE	177/336	Q3

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF1

Articles / Year544

Total Citations81

2025

IF1.1

Articles / Year686

Total Citations445

2024

IF1

Articles / Year654

Total Citations1,095

2023

IF1.2

Articles / Year658

Total Citations1,862

2022

IF1.282

Articles / Year761

Total Citations3,198

Year	Impact Factor	Articles / Year	Total Citations
2026	1	544	81
2025	1.1	686	445
2024	1	654	1,095
2023	1.2	658	1,862
2022	1.282	761	3,198
2021	1.271	771	3,839
2020	1.005	752	4,655
2019	0.956	673	5,112
2018	0.817	678	5,937
2017	—	930	9,170
2016	—	745	6,642
2015	—	687	6,135

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #16,063Scopus Q3SCImago Profile

Scopus Coverage:1974, 1992-2026

•

Scopus Broad Areas:Medicine

Scopus Citation Rank (SJR)Q3

0.334

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q3

Citations / Doc (2 years)

0.83

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

$2,710 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations1,783

3-Year Documents2,005

Citable Documents1,708

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate20.5%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Internal MedicineQ3

Medicine (miscellaneous)Q3

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 0%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

4区 (Zone 4)Medicine

Minor Category (Specific Field):

4区MEDICINE, GENERAL & INTERNAL

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Internal Medicine (acronym: im, abbr: INTERNAL MED, ISSN: 0918-2918) is a peer-reviewed international scholarly journal in the field of Medicine, published by Japanese Society of Internal Medicine in Japan since 1992. The periodical holds a Journal Impact Factor (JIF) of 1.00, ranking in quartile Q3 of Web of Science (SCIE), a Scopus SJR indicator of 0.334 (Q3), an H-index of 87.

The journal enforces rigorous peer evaluation with a publication frequency of Monthly, an annual output of approximately 580 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $2,710 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.