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JMA JOURNAL

JAPAN MEDICAL ASSOC-JAPANESE ASSOC MEDICAL SCIENCES · JP · Est. 1993

ISSN2433-328XeISSN2433-3298

✓ WOS ESCI

Impact Factor & Quartile · Web of Science (JCR)

✓ Indexed in the Web of Science Core Collection (ESCI) — Clarivate publishes an official Journal Impact Factor and JCR quartile for this journal.

Find the journal’s official page ↗Open the official JCR record on Clarivate ↗

The Impact Factor & JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date. Source: Clarivate Journal Citation Reports.

H-Indexi

Total Worksi

856

Total Citationsi

3,214

2yr Mean Citednessi

0.96

Open Impact Factor alternative

Retractions

Source: Retraction Watch

Aims & Scope✦ Compiled from public sources

The JMA Journal is the official scientific journal of the Japan Medical Association and the Japanese Association of Medical Sciences. It publishes review articles, original research articles, clinical trials, guidelines, opinions, short communications, images, case reports, and letters to the editor. The journal aims to contribute to the global improvement of medical standards.

AI-compiled from public web sources · verify on the publisher page

General Information

Country / RegionJP

Primary LanguageEnglish

1st Year Published1993

Annual Volume~ 177 articles / year

StatusActive (last: 2026)

Total Publications856

Publisher OrgJapan Medical Association

OA Since2017

Submission Info

Peer Review—

OA License—

OA Rate—

Ethics & Quality

COPE Member✗ No

OASPA Member✗ No

Not on Predatory Lists✓ Yes

Think.Check.Submit Compliance

thinkchecksubmit.org

5/11 · 45%

✅

Do you know the journal / publisher?

JAPAN MEDICAL ASSOC-JAPANESE ASSOC MEDICAL SCIENCES

❌

Does the journal have a website?

No URL

✅

Is the ISSN verified?

2433-328X / 2433-3298

✅

Indexed in a trusted database?

WoS, PubMed

❌

Peer review process documented?

N/A

❌

Follows ethical publishing standards (COPE)?

N/A

✅

Not on predatory/blacklists?

✓ Clean

❌

Long-term digital preservation?

N/A

❌

Plagiarism detection in place?

N/A

❌

Listed in DOAJ (verified OA)?

N/A

✅

Primary language documented?

English

A twelfth criterion — whether APC fees are clearly disclosed — is not scored here; it is left out of the total rather than counted as a failure. Publication charges appear in the metrics card above.

Based on the Think.Check.Submit framework by DOAJ, COPE & OASPA. All data from verified open sources.

Publication & Citation Trend

Articles published

Citations received

606

2019

550

2020

709

2021

508

2022

105

428

2023

129

310

2024

298

319

2025

102

2026

Source: OpenAlex · Each year’s green bar = citations earned by that year’s papers, counted to date — so recent years look lower simply because their papers haven’t had time to be cited yet.

Subject Classification

Web of Science Categories

Medicine, General & Internal

Research Topics (OpenAlex)

Artificial Intelligence in Healthcare and EducationNutrition and Health in AgingDisaster Response and ManagementCOVID-19 and healthcare impactsCOVID-19 Clinical Research StudiesSARS-CoV-2 and COVID-19 ResearchHealth disparities and outcomesFrailty in Older AdultsChronic Kidney Disease and DiabetesCOVID-19 epidemiological studies

Frequently asked questions about JMA JOURNAL

Is JMA JOURNAL a predatory journal?

PubScope has no integrity flags on record for JMA JOURNAL: it is indexed in Web of Science, and is not on DOAJ's withdrawn list. Indexing is a transparency signal, not a guarantee — always confirm fit and policies before submitting.

What is the impact factor of JMA JOURNAL?

JMA JOURNAL is indexed in the Web of Science Core Collection, so Clarivate publishes an official Journal Impact Factor for it (since the 2023 Journal Citation Reports, every Core Collection journal — including Arts & Humanities and Emerging Sources titles — receives one). PubScope links to Clarivate's official source rather than reprinting the number, which can be out of date. Its open 2-year mean citedness is 0.96.

Is JMA JOURNAL indexed in Scopus and Web of Science?

JMA JOURNAL is indexed in Web of Science.