Journal profile · Engineering, Electrical & Electronic
IEEE Transactions on Information Theory
ISSN 0018-9448 · eISSN 1557-9654 · Institute of Electrical and Electronics Engineers Inc. · UNITED STATES · Bimonthly
IEEE Transactions on Information Theory: CAS Zone 3 · Computer Science (2025 upgraded edition); impact factor 2.51; hybrid open access; APC about USD 2,645; review about 12 months (community reports); community-reported acceptance: about 25%; 575 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
IEEE Transactions on Information Theory is published by Institute of Electrical and Electronics Engineers Inc. and is in Zone 3 of Computer Science in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Coding theory and cryptography, Cooperative Communication and Network Coding and Wireless Communication Security Techniques, together about 31% of its articles. Its main subfields are Electrical and Electronic Engineering. (generated from OpenAlex topic counts and CAS ranking data)
The IEEE Transactions on Information Theory is a journal that publishes theoretical and experimental papers concerned with the transmission, processing, and utilization of information. The boundaries of acceptable subject matter are intentionally not sharply delimited. Rather, it is hoped that as the focus of research activity changes, a flexible policy will permit this Transactions to follow suit. Current appropriate topics are best reflected by recent Tables of Contents; they are summarized in the titles of editorial areas that appear on the inside front cover.
Source: LetPub
Research area (LetPub): Engineering, Electrical & Electronic
Main research topics OpenAlex counts of recent articles; shares are approximate
- Coding theory and cryptographyComputer Science12.9%
- Cooperative Communication and Network CodingComputer Science9.4%
- Wireless Communication Security TechniquesEngineering8.6%
- Error Correcting Code TechniquesComputer Science7.5%
- Advanced Wireless Communication TechniquesEngineering7.4%
- graph theory and CDMA systemsEngineering6.7%
- Cellular Automata and ApplicationsComputer Science6.5%
- Algorithms and Data CompressionComputer Science4.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Computer Science, Information Systems | Zone 3 |
| Minor | Engineering, Electrical & Electronic | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Computer Science, Information Systems | Zone 3 |
| Minor | Computer Science, Theory & Methods | Zone 2 |
| Minor | Engineering, Electrical & Electronic | Zone 3 |
| Minor | Mathematics, Applied | Zone 2 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Computer Science, Information Systems | Zone 3 |
| Minor | Engineering, Electrical & Electronic | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
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
- 2.51LetPub ·
- CiteScore 2026-06
- 5.5LetPub ·
- SJR 2026-06
- 1.32LetPub ·
- SNIP 2026-06
- 1.68LetPub ·
- h-index
- 249LetPub ·
- h-index
- 446OpenAlex ·
- i10-index
- 12,259OpenAlex ·
- 2-year mean citedness
- 2.34OpenAlex ·
- Self-citation rate
- 23.1%LetPub ·
- Share of gold OA articles
- 5.46%LetPub ·
Volume
- Articles per year
- 519LetPub ·
Articles by year OpenAlex count · 20,684 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 430 | 182 | 187 |
| 2025 | 575 | 131 | 1,223 |
| 2024 | 465 | 126 | 2,031 |
| 2023 | 493 | 171 | 6,323 |
| 2022 | 535 | 200 | 7,010 |
| 2021 | 532 | 303 | 8,047 |
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
- Average review time (community reports)
- about 12 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 2,645 | — | — |
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
- Institute of Electrical and Electronics Engineers Inc.
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Bimonthly
- ISSN
- 0018-9448
- Electronic ISSN
- 1557-9654
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
FAQ
Frequently asked questions about IEEE Transactions on Information Theory
What CAS zone is IEEE Transactions on Information Theory in?
In the 2025 upgraded edition of the CAS Journal Ranking, IEEE Transactions on Information Theory is in Zone 3 of Computer Science, and in Zone 3 of the minor category Computer Science, Information Systems / Engineering, Electrical & Electronic. In the 2026 Xinrui edition it is in Zone 3 of Computer Science. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of IEEE Transactions on Information Theory?
The latest impact factor listed by LetPub is 2.51; CiteScore 5.5, h-index 446.
How long does peer review take at IEEE Transactions on Information Theory?
Authors report an average review time of about 12 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 IEEE Transactions on Information Theory?
According to LetPub and DOAJ records, IEEE Transactions on Information Theory is indexed in SCIE and Scopus.
Is IEEE Transactions on Information Theory open access, and what is the APC?
IEEE Transactions on Information Theory is a hybrid journal. For open-access publication: APC about USD 2,645.
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 2026-08-26). Last updated: .