Journal profile · Endocrinology & Metabolism
International Journal of Obesity
ISSN 0307-0565 · eISSN 1476-5497 · Springer Nature · ENGLAND · Monthly · Founded 1997
International Journal of Obesity: CAS Zone 2 · Medicine (2025 upgraded edition); impact factor 5.37; hybrid open access; APC about USD 4,790; median 180 days to acceptance (109 articles, last 24 months); community-reported acceptance: about 25%; 279 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
International Journal of Obesity is published by Springer Nature and is in Zone 2 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Obesity, Physical Activity, Diet, Adipokines, Inflammation, and Metabolic Diseases and Regulation of Appetite and Obesity, together about 31.2% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
We rank in the top quartile of Endocrinology & Metabolism and Nutrition & Dietetics journals worldwide. We provide wide exposure and high visibility for your publication through our nature.com platform. We also offer funder-compliant open access options. We publish high quality, peer reviewed original research and reviews that address issues related to the development and treatment of obesity, and the functional impairments associated with the obese state. Our international editorial team provides a swift and professional service in support of our submitting authors, and is composed of some of the world's leading voices in the field.
From the journal's Aims & Scope
Research area (LetPub): Endocrinology & Metabolism
Main research topics OpenAlex counts of recent articles; shares are approximate
- Obesity, Physical Activity, DietMedicine13.8%
- Adipokines, Inflammation, and Metabolic DiseasesMedicine9.3%
- Regulation of Appetite and ObesityNeuroscience8.1%
- Adipose Tissue and MetabolismMedicine6.8%
- Diabetes, Cardiovascular Risks, and LipoproteinsMedicine6.5%
- Bariatric Surgery and OutcomesMedicine6%
- Diet and metabolism studiesMedicine4.5%
- Obesity and Health PracticesHealth Professions4.4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 2 |
| Minor | Endocrinology & Metabolism | Zone 2 |
| Minor | Nutrition & Dietetics | Zone 2 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 2 |
| Minor | Endocrinology & Metabolism | Zone 2 |
| Minor | Nutrition & Dietetics | Zone 2 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 2 |
| Minor | Endocrinology & Metabolism | Zone 2 |
| Minor | Nutrition & Dietetics | Zone 2 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
MEDLINECINAHLCurrent ContentsPublisher website
Other: Google Scholar, EBSCO, ProQuest, OCLC
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 5.37LetPub ·
- Impact factor (publisher) 2025
- 5.4Publisher website ·
- 5-year impact factor (publisher) 2025
- 5Publisher website ·
- CiteScore 2026-06
- 8.2LetPub ·
- SJR 2026-06
- 1.57LetPub ·
- SNIP 2026-06
- 1.45LetPub ·
- h-index
- 204LetPub ·
- h-index
- 305OpenAlex ·
- i10-index
- 6,243OpenAlex ·
- 2-year mean citedness
- 4.89OpenAlex ·
- Self-citation rate
- 3.7%LetPub ·
- Share of gold OA articles
- 44.35%LetPub ·
Volume
- Articles per year
- 255LetPub ·
- Downloads per year (publisher) 2025
- 3,303,286Publisher website ·
Articles by year OpenAlex count · 8,498 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 235 | 126 | 118 |
| 2025 | 279 | 138 | 995 |
| 2024 | 257 | 159 | 2,661 |
| 2023 | 199 | 109 | 2,968 |
| 2022 | 222 | 142 | 3,979 |
| 2021 | 305 | 201 | 8,332 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
180 daysMedian, submission to acceptance · P25–P75 119 days – 260 days
- Acceptance to online
- median 17 days (109 articles)
- Submission to online
- median 202 days
- Sample
- 109 articles with submission and acceptance dates (575 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- about 3 monthsLetPub ·
- Average acceptance (community reports)
- 25%LetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 4,790 / EUR 3,890 / GBP 3,190 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Policy excerpts from the journal's websiteAI use
- AI use Use of Artificial Intelligence in Obesity & Related Diseases
Artificial intelligence in obesity care spans a spectrum from decades-old predictive algorithms to recently deployed generative systems, and across this full range, deployment has outpaced the validation evidence needed to guide it. The goals of this collection are to evaluate AI tools in obesity and related diseases across that spectrum, examining performance under defined reference standards and…
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Springer Nature
- Country or region
- ENGLAND
- Language
- English
- Frequency
- Monthly
- Founded
- 1997
- ISSN
- 0307-0565
- Electronic ISSN
- 1476-5497
- Official links
- Journal homepage ↗LetPub
- Submission system ↗LetPub
- Author guidelines ↗LetPub
- Special issues ↗Publisher website
FAQ
Frequently asked questions about International Journal of Obesity
What CAS zone is International Journal of Obesity in?
In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Obesity is in Zone 2 of Medicine, and in Zone 2 of the minor category Endocrinology & Metabolism / Nutrition & Dietetics. In the 2026 Xinrui edition it is in Zone 2 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of International Journal of Obesity?
The latest impact factor listed by LetPub is 5.37; CiteScore 8.2, h-index 305.
How long does peer review take at International Journal of Obesity?
Based on the dates recorded on 109 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 180 days (interquartile range 119–260 days); authors report an average review time of about 3 months; the community-reported acceptance is “about 25%”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index International Journal of Obesity?
According to LetPub and DOAJ records, International Journal of Obesity is indexed in SCIE and Scopus. The journal's website also lists MEDLINE, CINAHL and Current Contents; that list has not been checked against each database.
Is International Journal of Obesity open access, and what is the APC?
International Journal of Obesity is a hybrid journal. For open-access publication: APC about USD 4,790.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .