Journal profile · STATISTICS & PROBABILITY
Sankhya-Series A-Mathematical Statistics and Probability
ISSN 0976-836X · eISSN 0976-8378 · Springer Nature · 2 issues per year
Sankhya-Series A-Mathematical Statistics and Probability: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 0.5 (journal website); hybrid open access; APC about USD 3,190; median 217 days to acceptance (67 articles, last 24 months); 57 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Sankhya-Series A-Mathematical Statistics and Probability is published by Springer Nature and is in Zone 4 of Mathematics in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Statistical Methods and Inference, Bayesian Methods and Mixture Models and Statistical Distribution Estimation and Applications, together about 40.5% of its articles. Its main subfields are Statistics and Probability. (generated from OpenAlex topic counts and CAS ranking data)
Sankhya, Series A – The Indian Journal of Statistics is a prestigious quarterly journal dedicated to the advancement of Mathematical Statistics and Probability. Our aim is to publish high-quality, original research articles that contribute to theoretical developments, methodological advancements, and innovative applications in these fields. The journal welcomes submissions that cover, but are not limited to:
· Statistical theory and methodology
· Probability theory and stochastic processes
· Bayesian statistics and decision theory
· Asymptotic theory and nonparametric methods
· Statistical estimation and hypothesis testing
· Applications of statistics in various scientific disciplines, including economics, biology, engineering and social sciences We encourage interdisciplinary research that bridges mathematical statistics with other areas, fostering a deeper understanding of statistical principles and their practical implications. By providing a platform for rigorous peer-reviewed research, Sankhya A aims to foster scholarly dialogue and promote the dissemination of knowledge within the global statistical community.
From the journal's Aims & Scope
Research area (LetPub): STATISTICS & PROBABILITY
Editor-in-chief Soumendra NathPublisher website
Editorial board by country: none in mainland China; most named United States 38, India 13, United Kingdom 2, Italy 2, Germany 1 (62 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Statistical Methods and InferenceMathematics16.1%
- Bayesian Methods and Mixture ModelsComputer Science12.2%
- Statistical Distribution Estimation and ApplicationsMathematics12.1%
- Statistical Methods and Bayesian InferenceMathematics9.9%
- Advanced Statistical Methods and ModelsMathematics8.5%
- Financial Risk and Volatility ModelingEconomics, Econometrics and Finance6.1%
- Probability and Risk ModelsDecision Sciences4.1%
- Probabilistic and Robust Engineering DesignDecision Sciences3.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Statistics & Probability | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Statistics & Probability | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
zbMATHPublisher website
Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS, RePEc
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 (publisher) 2025
- 0.5Publisher website ·
- 5-year impact factor (publisher) 2025
- 0.8Publisher website ·
- CiteScore 2026-06
- 1.8LetPub ·
- SJR 2026-06
- 0.34LetPub ·
- SNIP 2026-06
- 0.66LetPub ·
- h-index
- 20OpenAlex ·
- i10-index
- 66OpenAlex ·
- 2-year mean citedness
- 0.71OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 14.05%LetPub ·
Volume
- Articles per year
- 51LetPub ·
- Downloads per year (publisher) 2025
- 38,300Publisher website ·
Articles by year OpenAlex count · 496 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 30 | 11 | 1 |
| 2025 | 57 | 11 | 48 |
| 2024 | 39 | 11 | 41 |
| 2023 | 31 | 12 | 67 |
| 2022 | 33 | 6 | 113 |
| 2021 | 42 | 12 | 198 |
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
217 daysMedian, submission to acceptance · P25–P75 109 days – 413 days
- Acceptance to online
- median 16 days (68 articles)
- Submission to online
- median 233 days
- Sample
- 67 articles with submission and acceptance dates (89 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
- Submission to first decision
- 37 daysPublisher website ·
- Peer review
- Double anonymous peer reviewPublisher website
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 3,190 / EUR 2,590 / GBP 2,290 | — | — |
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)
What to prepare4 items from the author guidelines
- Abstract
- 150–250 words
- Keywords
- ≥ 4
- Reference style
- APA
- Suggested reviewers
- Optional
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Data availability, Publication ethics, License & copyright, Open access, Peer review, Trial registration / reporting guidelines
- AI use Generative AI Images
Please check Springer’s policy on generative AI images and make sure your work adheres to the principles described therein. Back to top
Source ↗Publisher website ·- Authorship Authorship principles
These guidelines describe authorship principles and good authorship practices to which prospective authors should adhere to. Authorship clarified The Journal and Publisher assume all authors agreed with the content and that all gave explicit consent to submit and that they obtained consent from the responsible authorities at the institute/organization where the work has been carried out, before th…
Source ↗Publisher website ·- Conflicts of interest Disclosures and declarations
All authors are requested to include information regarding sources of funding, financial or non-financial interests, study-specific approval by the appropriate ethics committee for research involving humans and/or animals, informed consent if the research involved human participants, and a statement on welfare of animals if the research involved animals (as appropriate). The decision whether such …
Source ↗Publisher website ·- Data availability Data availability statements
All original research must include a data availability statement. This statement should explain how to access data supporting the results and analysis in the article, including links/citations to publicly archived datasets analysed or generated during the study. Please see our full policy here. If it is not possible to share research data publicly, for instance when individual privacy could be com…
Source ↗Publisher website ·- Publication ethics Compliance with Ethical Standards
To ensure objectivity and transparency in research and to ensure that accepted principles of ethical and professional conduct have been followed, authors should include information regarding sources of funding, potential conflicts of interest (financial or non-financial), informed consent if the research involved human participants, and a statement on welfare of animals if the research involved an…
Source ↗Publisher website ·- License & copyright Copyright
Open Choice articles do not require transfer of copyright as the copyright remains with the author. In opting for open access, the author(s) agree to publish the article under a Creative Commons license. Details of the OA licences offered to authors can be found on the individual journal website, in the journal's How to publish with us guide. Back to top
Source ↗Publisher website ·- Open access Open access publishing
To find out more about publishing your work Open Access in Sankhya A, including information on fees, funding and licences, visit our Open access publishing page. Back to top
Source ↗Publisher website ·- Peer review Single-blind peer review
This journal follows a single-blind reviewing procedure. This journal also publishes special/guest-edited issues. The peer review process for these articles is the same as the peer review process of the journal in general. Additionally, if a guest editor authors an article in their issue/collection, they will not handle the peer review process.
Source ↗Publisher website ·- Trial registration / reporting guidelines Clinical Trial Registration
The World Health Organization (WHO) definition of a clinical trial is "any research study that prospectively assigns human participants or groups of humans to one or more health-related interventions to evaluate the effects on health outcomes". The WHO defines health interventions as “A health intervention is an act performed for, with or on behalf of a person or population whose purpose is to ass…
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
- Frequency
- 2 issues per year
- ISSN
- 0976-836X
- Electronic ISSN
- 0976-8378
- Society / sponsor
- Indian Statistical Institute
- Latest issue on the website
- Volume 88, Issue 1 (February 2026)
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Special issues ↗Publisher website
FAQ
Frequently asked questions about Sankhya-Series A-Mathematical Statistics and Probability
What CAS zone is Sankhya-Series A-Mathematical Statistics and Probability in?
In the 2025 upgraded edition of the CAS Journal Ranking, Sankhya-Series A-Mathematical Statistics and Probability is in Zone 4 of Mathematics, and in Zone 4 of the minor category Statistics & Probability. In the 2026 Xinrui edition it is in Zone 4 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Sankhya-Series A-Mathematical Statistics and Probability?
The journal's website gives an impact factor of 0.5 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 1.8, h-index 20.
How long does peer review take at Sankhya-Series A-Mathematical Statistics and Probability?
Based on the dates recorded on 67 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 217 days (interquartile range 109–413 days). 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.
What are the manuscript requirements of Sankhya-Series A-Mathematical Statistics and Probability?
According to the journal's author guidelines: Abstract: 150–250 words; Keywords: ≥ 4; Reference style: APA; Suggested reviewers: Optional. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Sankhya-Series A-Mathematical Statistics and Probability based?
Of the 62 board members whose country the journal's board page names, none are in mainland China; the countries named most often are United States (38), India (13) and United Kingdom (2). Counted from the institutions listed on the board page; for reference only.
Which databases index Sankhya-Series A-Mathematical Statistics and Probability?
According to LetPub and DOAJ records, Sankhya-Series A-Mathematical Statistics and Probability is indexed in ESCI and Scopus. The journal's website also lists zbMATH; that list has not been checked against each database.
Is Sankhya-Series A-Mathematical Statistics and Probability open access, and what is the APC?
Sankhya-Series A-Mathematical Statistics and Probability is a hybrid journal. For open-access publication: APC about USD 3,190.
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 2026-08-26). Last updated: .