Journal profile · Multiple
Diplomatic History
ISSN 0145-2096 · eISSN 1467-7709 · Oxford University Press
Diplomatic History: CAS Zone 3 · History (2025 upgraded edition); impact factor 0.56; hybrid open access; APC about USD 3,737; 81 articles in 2025; indexed in SSCI, AHCI and Scopus.
Scope
Aims, scope and focus
Diplomatic History is published by Oxford University Press and is in Zone 3 of History in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Historical and Contemporary Political Dynamics, Vietnamese History and Culture Studies and American Constitutional Law and Politics, together about 27.9% of its articles. Its main subfields are Political Science and International Relations and Sociology and Political Science. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): Multiple
Main research topics OpenAlex counts of recent articles; shares are approximate
- Historical and Contemporary Political DynamicsArts and Humanities10.7%
- Vietnamese History and Culture StudiesSocial Sciences9.6%
- American Constitutional Law and PoliticsSocial Sciences7.7%
- International Relations and Foreign PolicySocial Sciences6.1%
- Communism, Protests, Social MovementsSocial Sciences5.2%
- Human auditory perception and evaluationEngineering4.6%
- Intelligence, Security, War StrategySocial Sciences4.5%
- Historical Geopolitical and Social DynamicsSocial Sciences4.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)History Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | History | Zone 3 |
| Minor | History | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)History Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | History | Zone 3 |
| Minor | History | Zone 2 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)History Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | History | Zone 3 |
| Minor | History | Zone 3 |
Top journal: noReview journal: no
Database indexing
SSCIAHCIScopusLetPub
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
- 0.56LetPub ·
- CiteScore 2026-06
- 1LetPub ·
- SJR 2026-06
- 0.26LetPub ·
- SNIP 2026-06
- 1.4LetPub ·
- h-index
- 53OpenAlex ·
- i10-index
- 553OpenAlex ·
- 2-year mean citedness
- 0.1OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 18.75%LetPub ·
Volume
- Articles per year
- 16LetPub ·
Articles by year OpenAlex count · 3,188 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 45 | 6 | 0 |
| 2025 | 81 | 7 | 5 |
| 2024 | 94 | 9 | 18 |
| 2023 | 102 | 11 | 93 |
| 2022 | 100 | 6 | 76 |
| 2021 | 104 | 25 | 147 |
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.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 3,737 | — | — |
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
- Oxford University Press
- ISSN
- 0145-2096
- Electronic ISSN
- 1467-7709
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Diplomatic History
What CAS zone is Diplomatic History in?
In the 2025 upgraded edition of the CAS Journal Ranking, Diplomatic History is in Zone 3 of History, and in Zone 4 of the minor category History. In the 2026 Xinrui edition it is in Zone 3 of History. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Diplomatic History?
The latest impact factor listed by LetPub is 0.56; CiteScore 1, h-index 53.
Which databases index Diplomatic History?
According to LetPub and DOAJ records, Diplomatic History is indexed in SSCI, AHCI and Scopus.
Is Diplomatic History open access, and what is the APC?
Diplomatic History is a hybrid journal. For open-access publication: APC about USD 3,737.
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: .