2026 Impact Factor
29.4
Released June 2026 · Based on 2025 citation data
↓ 1.6 (-5.2%) vs last year
Metric year 2025
Released
Metric year 2024
| Category | Indexes | Quartile |
|---|---|---|
| INFECTIOUS DISEASES | SCIE | Q1 |
Lancet Infectious Diseases's newest impact factor is 29.4, released June 17, 2026 and based on 2025 citation data. The journal is listed as JCR Q1 in this Journal Metrics record.
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Ranked #47 in Medicine by impact factor and #47 among Q1 Medicine journals. This context helps compare Lancet Infectious Diseases against journals publishing in the same field.
Published 2,304 papers across the last 5 recorded years with a current impact factor of 29.4.
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