My Tech-Notes

Journal Quartiles in Academic Publishing (Q1–Q4)

Journal quartiles are a system of ranking academic journals within their specific subject categories, based on influence and citation metrics such as Impact Factor (JIF) or CiteScore. Journals are grouped into four quartiles:

• Q1: Top 25% of journals in the field
• Q2: Journals in the 25%–50% range
• Q3: Journals in the 50%–75% range
• Q4: Bottom 25% of journals in the field :contentReference[oaicite:0]{index=0}

---

Journal Quartile Breakdown

Q1 — First Quartile

• Represents the top 25% of journals in a discipline.
• Highest impact, prestige, and citation performance.
• Often highly selective with rigorous peer review.
• Favoured for career milestones like promotions or grants. :contentReference[oaicite:1]{index=1}

Q2 — Second Quartile

• Journals ranked 25%–50% within a subject category.
• Solid reputation and consistent citation performance.
• Still respected and credible publication venues. :contentReference[oaicite:2]{index=2}

Q3 — Third Quartile

• Covers journals in the 50%–75% range.
• Moderate citation impact.
• Suitable for building publication records or niche research dissemination. :contentReference[oaicite:3]{index=3}

Q4 — Fourth Quartile

• Bottom 25% of journals by impact within subject categories.
• Often newer, very specialized, locally focused, or emerging journals.
• Still valid for research publication but with lower citation visibility. :contentReference[oaicite:4]{index=4}

---

How Quartiles Are Determined

Citation Metrics Used

• Journal Impact Factor (JIF): Calculated by Clarivate, based on citations to articles published in the previous 2 years. Higher values suggest higher journal influence. :contentReference[oaicite:5]{index=5}
• CiteScore / SJR (Scopus): Alternatives produced by Elsevier that incorporate citations over a 3–4 year period and can include articles, reviews, etc. :contentReference[oaicite:6]{index=6}

Ranking Process

1. Journals are grouped by subject area (e.g., Biology, Engineering).
2. Each journal’s metric is ranked within that group.
3. The ranking list is divided into four equal parts (quartiles).
   • Q1: Top 25%
   • Q2: 25–50%
   • Q3: 50–75%
   • Q4: Bottom 25% :contentReference[oaicite:7]{index=7}

---

Why Quartiles Matter

For Researchers

• Publication Strategy: Aids in choosing journals that match career goals (e.g., visibility vs. acceptance rates). :contentReference[oaicite:8]{index=8}
• Academic Evaluation: Many institutions value publications in Q1/Q2 journals when assessing performance. :contentReference[oaicite:9]{index=9}

For Institutions

• Used for performance evaluation, funding decisions, and global ranking metrics. :contentReference[oaicite:10]{index=10}

---

How to Find a Journal’s Quartile

Web of Science (Clarivate)

• Use Journal Citation Reports (JCR) or Master Journal List to find Impact Factor and quartile. :contentReference[oaicite:11]{index=11}

Scopus / SCImago

• Use Scopus or SCImago Journal & Country Rank to view CiteScore, SJR, and the associated quartile ranking. :contentReference[oaicite:12]{index=12}

---

Notes & Considerations

• Quartile positions are updated annually as citation metrics change. :contentReference[oaicite:13]{index=13}
• A journal may have different quartiles in different subject areas based on category-specific performance. :contentReference[oaicite:14]{index=14}
• Metrics like Impact Factor and CiteScore are useful but not perfect measures of individual article quality. :contentReference[oaicite:15]{index=15}