Journal profile · Engineering-Industrial and Manufacturing Engineering
International Journal of Lean Six Sigma
ISSN 2040-4166 · eISSN 2040-4174 · Emerald · ENGLAND
International Journal of Lean Six Sigma: CAS Zone 2 · Engineering (2025 upgraded edition); impact factor 3.56; hybrid open access; 78 articles in 2025; indexed in SCIE, SSCI and Scopus.
Scope
Aims, scope and focus
International Journal of Lean Six Sigma is published by Emerald and is in Zone 2 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Quality and Supply Management, Quality and Management Systems and Sustainable Supply Chain Management, together about 54% of its articles. Its main subfields are Strategy and Management. (generated from OpenAlex topic counts and CAS ranking data)
Launched in 2010, International Journal of Lean Six Sigma publishes original, empirical and review papers, case studies and theoretical frameworks or models related to Lean and Six Sigma methodologies. High quality submissions are sought from academics, researchers, practitioners and leading management consultants from around the world. Research, case studies and examples can be cited from manufacturing, service and public sectors. This includes manufacturing, health, financial services, local government, education, professional services, IT Services, transport, etc.
Source: LetPub
Research area (LetPub): Engineering-Industrial and Manufacturing Engineering
Main research topics OpenAlex counts of recent articles; shares are approximate
- Quality and Supply ManagementBusiness, Management and Accounting34.7%
- Quality and Management SystemsBusiness, Management and Accounting12.3%
- Sustainable Supply Chain ManagementBusiness, Management and Accounting7%
- Digital Transformation in IndustryEngineering6.4%
- Operations Management TechniquesDecision Sciences5.1%
- Supply Chain Resilience and Risk ManagementBusiness, Management and Accounting4.5%
- Outsourcing and Supply Chain ManagementBusiness, Management and Accounting4.1%
- Innovation and Knowledge ManagementBusiness, Management and Accounting3.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Industrial | Zone 3 |
| Minor | Management | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Industrial | Zone 3 |
| Minor | Management | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Industrial | Zone 3 |
| Minor | Management | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIESSCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
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
- 3.56LetPub ·
- CiteScore 2026-06
- 9.4LetPub ·
- SJR 2026-06
- 0.79LetPub ·
- SNIP 2026-06
- 1.57LetPub ·
- h-index
- 71OpenAlex ·
- i10-index
- 441OpenAlex ·
- 2-year mean citedness
- 3.45OpenAlex ·
- Self-citation rate
- 16.7%LetPub ·
- Share of gold OA articles
- 8.54%LetPub ·
Volume
- Articles per year
- 71LetPub ·
Articles by year OpenAlex count · 747 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 94 | 15 | 41 |
| 2025 | 78 | 14 | 275 |
| 2024 | 70 | 20 | 520 |
| 2023 | 65 | 19 | 1,112 |
| 2022 | 54 | 14 | 1,207 |
| 2021 | 70 | 16 | 1,744 |
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.
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.
No source has fee information yet; check the journal's website.
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.
Profile
Publication details and official links
- Publisher
- Emerald
- Country or region
- ENGLAND
- Language
- English
- ISSN
- 2040-4166
- Electronic ISSN
- 2040-4174
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about International Journal of Lean Six Sigma
What CAS zone is International Journal of Lean Six Sigma in?
In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Lean Six Sigma is in Zone 2 of Engineering, and in Zone 3 of the minor category Engineering, Industrial / Management. In the 2026 Xinrui edition it is in Zone 2 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of International Journal of Lean Six Sigma?
The latest impact factor listed by LetPub is 3.56; CiteScore 9.4, h-index 71.
Which databases index International Journal of Lean Six Sigma?
According to LetPub and DOAJ records, International Journal of Lean Six Sigma is indexed in SCIE, SSCI and Scopus.
Is International Journal of Lean Six Sigma open access, and what is the APC?
International Journal of Lean Six Sigma is a hybrid journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; 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: .