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Diplomatica is Scopus-indexed (Q1, CiteScore 1.3), WoS ESCI. Published by Brill Academic Publishers.
Checked against the index lists dated .
ISSN 2589-1766Verify ISSN ↗2589-1774Verify ISSN ↗
Publisher: Brill Academic Publishers
Cost to publish: No APC data — check the publisher
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| History | 224 / 1936 | 88th | Q1 |
| Political Science and International Relations | 395 / 745 | 47th | Q3 |
| Social Sciences (miscellaneous) | 398 / 744 | 46th | Q3 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (subscription), ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 2019–present, best quartile Q1, CiteScore 1.3.
Diplomatica is Q1 in History (rank 224 of 1936), Q3 in Political Science and International Relations (rank 395 of 745) and Q3 in Social Sciences (miscellaneous) (rank 398 of 744), by CiteScore 2025.
Diplomatica is indexed in the Emerging Sources Citation Index, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 1.3, which places it in quartile Q1 at the 88th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.306, quartile Q1, with an H-index of 10.
Diplomatica is published by Brill Academic Publishers. Its print ISSN is 2589-1766 and its online ISSN is 2589-1774.
Yes — indexed in the Emerging Sources Citation Index.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Diplomatica has an h-index of 9 and a 2-year mean of 0.2 citations per paper (OpenAlex). Its Scopus CiteScore is 1.3, quartile Q1. On 2-year citations it ranks #639 of 1,704 Scopus journals in History.
Diplomatica published 31 papers in 2025; its busiest recent year was 2019 with 37. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 92 research articles (2022–2026), authors are most often from United States (17.3%), United Kingdom (16.3%) and Germany (7.1%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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